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<h2><span class="refentrytitle"><a name="gobject-Standard-Parameter-and-Value-Types.top_of_page"></a>Parameters and Values</span></h2>
<p>Parameters and Values — Standard Parameter and Value Types</p>
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<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-BOOLEAN:CAPS" title="G_IS_PARAM_SPEC_BOOLEAN()">G_IS_PARAM_SPEC_BOOLEAN</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-BOOLEAN:CAPS" title="G_PARAM_SPEC_BOOLEAN()">G_PARAM_SPEC_BOOLEAN</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-BOOLEAN:CAPS" title="G_VALUE_HOLDS_BOOLEAN()">G_VALUE_HOLDS_BOOLEAN</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-boolean" title="g_param_spec_boolean ()">g_param_spec_boolean</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-boolean" title="g_value_set_boolean ()">g_value_set_boolean</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-boolean" title="g_value_get_boolean ()">g_value_get_boolean</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-CHAR:CAPS" title="G_IS_PARAM_SPEC_CHAR()">G_IS_PARAM_SPEC_CHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-CHAR:CAPS" title="G_PARAM_SPEC_CHAR()">G_PARAM_SPEC_CHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-CHAR:CAPS" title="G_VALUE_HOLDS_CHAR()">G_VALUE_HOLDS_CHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-char" title="g_param_spec_char ()">g_param_spec_char</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-char" title="g_value_set_char ()">g_value_set_char</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-char" title="g_value_get_char ()">g_value_get_char</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gint8"><span class="returnvalue">gint8</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-schar" title="g_value_get_schar ()">g_value_get_schar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-schar" title="g_value_set_schar ()">g_value_set_schar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-UCHAR:CAPS" title="G_IS_PARAM_SPEC_UCHAR()">G_IS_PARAM_SPEC_UCHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-UCHAR:CAPS" title="G_PARAM_SPEC_UCHAR()">G_PARAM_SPEC_UCHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-UCHAR:CAPS" title="G_VALUE_HOLDS_UCHAR()">G_VALUE_HOLDS_UCHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-uchar" title="g_param_spec_uchar ()">g_param_spec_uchar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-uchar" title="g_value_set_uchar ()">g_value_set_uchar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guchar"><span class="returnvalue">guchar</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-uchar" title="g_value_get_uchar ()">g_value_get_uchar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-INT:CAPS" title="G_IS_PARAM_SPEC_INT()">G_IS_PARAM_SPEC_INT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-INT:CAPS" title="G_PARAM_SPEC_INT()">G_PARAM_SPEC_INT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-INT:CAPS" title="G_VALUE_HOLDS_INT()">G_VALUE_HOLDS_INT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-int" title="g_param_spec_int ()">g_param_spec_int</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-int" title="g_value_set_int ()">g_value_set_int</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-int" title="g_value_get_int ()">g_value_get_int</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-UINT:CAPS" title="G_IS_PARAM_SPEC_UINT()">G_IS_PARAM_SPEC_UINT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-UINT:CAPS" title="G_PARAM_SPEC_UINT()">G_PARAM_SPEC_UINT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-UINT:CAPS" title="G_VALUE_HOLDS_UINT()">G_VALUE_HOLDS_UINT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-uint" title="g_param_spec_uint ()">g_param_spec_uint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-uint" title="g_value_set_uint ()">g_value_set_uint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-uint" title="g_value_get_uint ()">g_value_get_uint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-LONG:CAPS" title="G_IS_PARAM_SPEC_LONG()">G_IS_PARAM_SPEC_LONG</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-LONG:CAPS" title="G_PARAM_SPEC_LONG()">G_PARAM_SPEC_LONG</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-LONG:CAPS" title="G_VALUE_HOLDS_LONG()">G_VALUE_HOLDS_LONG</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-long" title="g_param_spec_long ()">g_param_spec_long</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-long" title="g_value_set_long ()">g_value_set_long</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#glong"><span class="returnvalue">glong</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-long" title="g_value_get_long ()">g_value_get_long</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-ULONG:CAPS" title="G_IS_PARAM_SPEC_ULONG()">G_IS_PARAM_SPEC_ULONG</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-ULONG:CAPS" title="G_PARAM_SPEC_ULONG()">G_PARAM_SPEC_ULONG</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-ULONG:CAPS" title="G_VALUE_HOLDS_ULONG()">G_VALUE_HOLDS_ULONG</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-ulong" title="g_param_spec_ulong ()">g_param_spec_ulong</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-ulong" title="g_value_set_ulong ()">g_value_set_ulong</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gulong"><span class="returnvalue">gulong</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-ulong" title="g_value_get_ulong ()">g_value_get_ulong</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-INT64:CAPS" title="G_IS_PARAM_SPEC_INT64()">G_IS_PARAM_SPEC_INT64</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-INT64:CAPS" title="G_PARAM_SPEC_INT64()">G_PARAM_SPEC_INT64</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-INT64:CAPS" title="G_VALUE_HOLDS_INT64()">G_VALUE_HOLDS_INT64</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-int64" title="g_param_spec_int64 ()">g_param_spec_int64</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-int64" title="g_value_set_int64 ()">g_value_set_int64</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gint64"><span class="returnvalue">gint64</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-int64" title="g_value_get_int64 ()">g_value_get_int64</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-UINT64:CAPS" title="G_IS_PARAM_SPEC_UINT64()">G_IS_PARAM_SPEC_UINT64</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-UINT64:CAPS" title="G_PARAM_SPEC_UINT64()">G_PARAM_SPEC_UINT64</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-UINT64:CAPS" title="G_VALUE_HOLDS_UINT64()">G_VALUE_HOLDS_UINT64</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-uint64" title="g_param_spec_uint64 ()">g_param_spec_uint64</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-uint64" title="g_value_set_uint64 ()">g_value_set_uint64</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint64"><span class="returnvalue">guint64</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-uint64" title="g_value_get_uint64 ()">g_value_get_uint64</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-FLOAT:CAPS" title="G_IS_PARAM_SPEC_FLOAT()">G_IS_PARAM_SPEC_FLOAT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-FLOAT:CAPS" title="G_PARAM_SPEC_FLOAT()">G_PARAM_SPEC_FLOAT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-FLOAT:CAPS" title="G_VALUE_HOLDS_FLOAT()">G_VALUE_HOLDS_FLOAT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-float" title="g_param_spec_float ()">g_param_spec_float</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-float" title="g_value_set_float ()">g_value_set_float</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-float" title="g_value_get_float ()">g_value_get_float</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-DOUBLE:CAPS" title="G_IS_PARAM_SPEC_DOUBLE()">G_IS_PARAM_SPEC_DOUBLE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-DOUBLE:CAPS" title="G_PARAM_SPEC_DOUBLE()">G_PARAM_SPEC_DOUBLE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-DOUBLE:CAPS" title="G_VALUE_HOLDS_DOUBLE()">G_VALUE_HOLDS_DOUBLE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-double" title="g_param_spec_double ()">g_param_spec_double</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-double" title="g_value_set_double ()">g_value_set_double</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-double" title="g_value_get_double ()">g_value_get_double</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-ENUM:CAPS" title="G_IS_PARAM_SPEC_ENUM()">G_IS_PARAM_SPEC_ENUM</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-ENUM:CAPS" title="G_PARAM_SPEC_ENUM()">G_PARAM_SPEC_ENUM</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-ENUM:CAPS" title="G_VALUE_HOLDS_ENUM()">G_VALUE_HOLDS_ENUM</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-enum" title="g_param_spec_enum ()">g_param_spec_enum</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-enum" title="g_value_set_enum ()">g_value_set_enum</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-enum" title="g_value_get_enum ()">g_value_get_enum</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-FLAGS:CAPS" title="G_IS_PARAM_SPEC_FLAGS()">G_IS_PARAM_SPEC_FLAGS</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-FLAGS:CAPS" title="G_PARAM_SPEC_FLAGS()">G_PARAM_SPEC_FLAGS</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-FLAGS:CAPS" title="G_VALUE_HOLDS_FLAGS()">G_VALUE_HOLDS_FLAGS</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-flags" title="g_param_spec_flags ()">g_param_spec_flags</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-flags" title="g_value_set_flags ()">g_value_set_flags</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-flags" title="g_value_get_flags ()">g_value_get_flags</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-STRING:CAPS" title="G_IS_PARAM_SPEC_STRING()">G_IS_PARAM_SPEC_STRING</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-STRING:CAPS" title="G_PARAM_SPEC_STRING()">G_PARAM_SPEC_STRING</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-STRING:CAPS" title="G_VALUE_HOLDS_STRING()">G_VALUE_HOLDS_STRING</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-string" title="g_param_spec_string ()">g_param_spec_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-string" title="g_value_set_string ()">g_value_set_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-static-string" title="g_value_set_static_string ()">g_value_set_static_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-string" title="g_value_take_string ()">g_value_take_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-string-take-ownership" title="g_value_set_string_take_ownership ()">g_value_set_string_take_ownership</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-string" title="g_value_get_string ()">g_value_get_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-dup-string" title="g_value_dup_string ()">g_value_dup_string</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-PARAM:CAPS" title="G_IS_PARAM_SPEC_PARAM()">G_IS_PARAM_SPEC_PARAM</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-PARAM:CAPS" title="G_PARAM_SPEC_PARAM()">G_PARAM_SPEC_PARAM</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-PARAM:CAPS" title="G_VALUE_HOLDS_PARAM()">G_VALUE_HOLDS_PARAM</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-param" title="g_param_spec_param ()">g_param_spec_param</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-param" title="g_value_set_param ()">g_value_set_param</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-param" title="g_value_take_param ()">g_value_take_param</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-param-take-ownership" title="g_value_set_param_take_ownership ()">g_value_set_param_take_ownership</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-param" title="g_value_get_param ()">g_value_get_param</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-dup-param" title="g_value_dup_param ()">g_value_dup_param</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-BOXED:CAPS" title="G_IS_PARAM_SPEC_BOXED()">G_IS_PARAM_SPEC_BOXED</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-BOXED:CAPS" title="G_PARAM_SPEC_BOXED()">G_PARAM_SPEC_BOXED</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-BOXED:CAPS" title="G_VALUE_HOLDS_BOXED()">G_VALUE_HOLDS_BOXED</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-boxed" title="g_param_spec_boxed ()">g_param_spec_boxed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-boxed" title="g_value_set_boxed ()">g_value_set_boxed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-static-boxed" title="g_value_set_static_boxed ()">g_value_set_static_boxed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-boxed" title="g_value_take_boxed ()">g_value_take_boxed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-boxed-take-ownership" title="g_value_set_boxed_take_ownership ()">g_value_set_boxed_take_ownership</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-boxed" title="g_value_get_boxed ()">g_value_get_boxed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-dup-boxed" title="g_value_dup_boxed ()">g_value_dup_boxed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-POINTER:CAPS" title="G_IS_PARAM_SPEC_POINTER()">G_IS_PARAM_SPEC_POINTER</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-POINTER:CAPS" title="G_PARAM_SPEC_POINTER()">G_PARAM_SPEC_POINTER</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-POINTER:CAPS" title="G_VALUE_HOLDS_POINTER()">G_VALUE_HOLDS_POINTER</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-pointer" title="g_param_spec_pointer ()">g_param_spec_pointer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-pointer" title="g_value_set_pointer ()">g_value_set_pointer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-pointer" title="g_value_get_pointer ()">g_value_get_pointer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-OBJECT:CAPS" title="G_IS_PARAM_SPEC_OBJECT()">G_IS_PARAM_SPEC_OBJECT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-OBJECT:CAPS" title="G_PARAM_SPEC_OBJECT()">G_PARAM_SPEC_OBJECT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-OBJECT:CAPS" title="G_VALUE_HOLDS_OBJECT()">G_VALUE_HOLDS_OBJECT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-object" title="g_param_spec_object ()">g_param_spec_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-object" title="g_value_set_object ()">g_value_set_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-object" title="g_value_take_object ()">g_value_take_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-object-take-ownership" title="g_value_set_object_take_ownership ()">g_value_set_object_take_ownership</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-object" title="g_value_get_object ()">g_value_get_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-dup-object" title="g_value_dup_object ()">g_value_dup_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-UNICHAR:CAPS" title="G_IS_PARAM_SPEC_UNICHAR()">G_IS_PARAM_SPEC_UNICHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-UNICHAR:CAPS" title="G_PARAM_SPEC_UNICHAR()">G_PARAM_SPEC_UNICHAR</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-unichar" title="g_param_spec_unichar ()">g_param_spec_unichar</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-VALUE-ARRAY:CAPS" title="G_IS_PARAM_SPEC_VALUE_ARRAY()">G_IS_PARAM_SPEC_VALUE_ARRAY</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-VALUE-ARRAY:CAPS" title="G_PARAM_SPEC_VALUE_ARRAY()">G_PARAM_SPEC_VALUE_ARRAY</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-value-array" title="g_param_spec_value_array ()">g_param_spec_value_array</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-OVERRIDE:CAPS" title="G_IS_PARAM_SPEC_OVERRIDE()">G_IS_PARAM_SPEC_OVERRIDE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-OVERRIDE:CAPS" title="G_PARAM_SPEC_OVERRIDE()">G_PARAM_SPEC_OVERRIDE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-override" title="g_param_spec_override ()">g_param_spec_override</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-GTYPE:CAPS" title="G_IS_PARAM_SPEC_GTYPE()">G_IS_PARAM_SPEC_GTYPE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-GTYPE:CAPS" title="G_PARAM_SPEC_GTYPE()">G_PARAM_SPEC_GTYPE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-GTYPE:CAPS" title="G_VALUE_HOLDS_GTYPE()">G_VALUE_HOLDS_GTYPE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-gtype" title="g_param_spec_gtype ()">g_param_spec_gtype</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="returnvalue">GType</span></a>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-gtype" title="g_value_get_gtype ()">g_value_get_gtype</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-gtype" title="g_value_set_gtype ()">g_value_set_gtype</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-IS-PARAM-SPEC-VARIANT:CAPS" title="G_IS_PARAM_SPEC_VARIANT()">G_IS_PARAM_SPEC_VARIANT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-PARAM-SPEC-VARIANT:CAPS" title="G_PARAM_SPEC_VARIANT()">G_PARAM_SPEC_VARIANT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-VALUE-HOLDS-VARIANT:CAPS" title="G_VALUE_HOLDS_VARIANT()">G_VALUE_HOLDS_VARIANT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-variant" title="g_param_spec_variant ()">g_param_spec_variant</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-variant" title="g_value_get_variant ()">g_value_get_variant</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> *
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-dup-variant" title="g_value_dup_variant ()">g_value_dup_variant</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-variant" title="g_value_set_variant ()">g_value_set_variant</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-variant" title="g_value_take_variant ()">g_value_take_variant</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-BOOLEAN:CAPS" title="G_TYPE_PARAM_BOOLEAN">G_TYPE_PARAM_BOOLEAN</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoolean" title="struct GParamSpecBoolean">GParamSpecBoolean</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-CHAR:CAPS" title="G_TYPE_PARAM_CHAR">G_TYPE_PARAM_CHAR</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecChar" title="struct GParamSpecChar">GParamSpecChar</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UCHAR:CAPS" title="G_TYPE_PARAM_UCHAR">G_TYPE_PARAM_UCHAR</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUChar" title="struct GParamSpecUChar">GParamSpecUChar</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-INT:CAPS" title="G_TYPE_PARAM_INT">G_TYPE_PARAM_INT</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt" title="struct GParamSpecInt">GParamSpecInt</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UINT:CAPS" title="G_TYPE_PARAM_UINT">G_TYPE_PARAM_UINT</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt" title="struct GParamSpecUInt">GParamSpecUInt</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-LONG:CAPS" title="G_TYPE_PARAM_LONG">G_TYPE_PARAM_LONG</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecLong" title="struct GParamSpecLong">GParamSpecLong</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-ULONG:CAPS" title="G_TYPE_PARAM_ULONG">G_TYPE_PARAM_ULONG</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecULong" title="struct GParamSpecULong">GParamSpecULong</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-INT64:CAPS" title="G_TYPE_PARAM_INT64">G_TYPE_PARAM_INT64</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt64" title="struct GParamSpecInt64">GParamSpecInt64</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UINT64:CAPS" title="G_TYPE_PARAM_UINT64">G_TYPE_PARAM_UINT64</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt64" title="struct GParamSpecUInt64">GParamSpecUInt64</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-FLOAT:CAPS" title="G_TYPE_PARAM_FLOAT">G_TYPE_PARAM_FLOAT</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFloat" title="struct GParamSpecFloat">GParamSpecFloat</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-DOUBLE:CAPS" title="G_TYPE_PARAM_DOUBLE">G_TYPE_PARAM_DOUBLE</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecDouble" title="struct GParamSpecDouble">GParamSpecDouble</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-ENUM:CAPS" title="G_TYPE_PARAM_ENUM">G_TYPE_PARAM_ENUM</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecEnum" title="struct GParamSpecEnum">GParamSpecEnum</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-FLAGS:CAPS" title="G_TYPE_PARAM_FLAGS">G_TYPE_PARAM_FLAGS</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFlags" title="struct GParamSpecFlags">GParamSpecFlags</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-STRING:CAPS" title="G_TYPE_PARAM_STRING">G_TYPE_PARAM_STRING</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecString" title="struct GParamSpecString">GParamSpecString</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#gchararray" title="gchararray">gchararray</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-PARAM:CAPS" title="G_TYPE_PARAM_PARAM">G_TYPE_PARAM_PARAM</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecParam" title="struct GParamSpecParam">GParamSpecParam</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-BOXED:CAPS" title="G_TYPE_PARAM_BOXED">G_TYPE_PARAM_BOXED</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoxed" title="struct GParamSpecBoxed">GParamSpecBoxed</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-POINTER:CAPS" title="G_TYPE_PARAM_POINTER">G_TYPE_PARAM_POINTER</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecPointer" title="struct GParamSpecPointer">GParamSpecPointer</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-OBJECT:CAPS" title="G_TYPE_PARAM_OBJECT">G_TYPE_PARAM_OBJECT</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecObject" title="struct GParamSpecObject">GParamSpecObject</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UNICHAR:CAPS" title="G_TYPE_PARAM_UNICHAR">G_TYPE_PARAM_UNICHAR</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUnichar" title="struct GParamSpecUnichar">GParamSpecUnichar</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-VALUE-ARRAY:CAPS" title="G_TYPE_PARAM_VALUE_ARRAY">G_TYPE_PARAM_VALUE_ARRAY</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecValueArray" title="struct GParamSpecValueArray">GParamSpecValueArray</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-OVERRIDE:CAPS" title="G_TYPE_PARAM_OVERRIDE">G_TYPE_PARAM_OVERRIDE</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecOverride" title="struct GParamSpecOverride">GParamSpecOverride</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-GTYPE:CAPS" title="G_TYPE_PARAM_GTYPE">G_TYPE_PARAM_GTYPE</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecGType" title="struct GParamSpecGType">GParamSpecGType</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-VARIANT:CAPS" title="G_TYPE_PARAM_VARIANT">G_TYPE_PARAM_VARIANT</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecVariant" title="struct GParamSpecVariant">GParamSpecVariant</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;glib-object.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.description"></a><h2>Description</h2>
<p><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> provides an abstract container structure which can be
copied, transformed and compared while holding a value of any
(derived) type, which is registered as a <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> with a
<a class="link" href="gobject-Type-Information.html#GTypeValueTable" title="struct GTypeValueTable"><span class="type">GTypeValueTable</span></a> in its <a class="link" href="gobject-Type-Information.html#GTypeInfo" title="struct GTypeInfo"><span class="type">GTypeInfo</span></a> structure. Parameter
specifications for most value types can be created as <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a>
derived instances, to implement e.g. <a class="link" href="gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> properties which
operate on <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> containers.</p>
<p>Parameter names need to start with a letter (a-z or A-Z). Subsequent
characters can be letters, numbers or a '-'.
All other characters are replaced by a '-' during construction.</p>
</div>
<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-BOOLEAN:CAPS"></a><h3>G_IS_PARAM_SPEC_BOOLEAN()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_BOOLEAN(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_BOOLEAN))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-BOOLEAN:CAPS" title="G_TYPE_PARAM_BOOLEAN"><code class="literal">G_TYPE_PARAM_BOOLEAN</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-BOOLEAN.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-BOOLEAN.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-BOOLEAN:CAPS"></a><h3>G_PARAM_SPEC_BOOLEAN()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_BOOLEAN(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_BOOLEAN, GParamSpecBoolean))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoolean" title="struct GParamSpecBoolean"><span class="type">GParamSpecBoolean</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-BOOLEAN.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-BOOLEAN:CAPS"></a><h3>G_VALUE_HOLDS_BOOLEAN()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_BOOLEAN(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_BOOLEAN))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-BOOLEAN:CAPS" title="G_TYPE_BOOLEAN"><code class="literal">G_TYPE_BOOLEAN</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-BOOLEAN.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-BOOLEAN.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-boolean"></a><h3>g_param_spec_boolean ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_boolean (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoolean" title="struct GParamSpecBoolean"><span class="type">GParamSpecBoolean</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOOLEAN:CAPS" title="G_TYPE_BOOLEAN"><code class="literal">G_TYPE_BOOLEAN</code></a>
property. In many cases, it may be more appropriate to use an enum with
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-enum" title="g_param_spec_enum ()"><code class="function">g_param_spec_enum()</code></a>, both to improve code clarity by using explicitly named
values, and to allow for more values to be added in future without breaking
API.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-boolean.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-boolean.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-boolean"></a><h3>g_value_set_boolean ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_boolean (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> v_boolean</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOOLEAN:CAPS" title="G_TYPE_BOOLEAN"><code class="literal">G_TYPE_BOOLEAN</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_boolean</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-boolean.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-BOOLEAN:CAPS" title="G_TYPE_BOOLEAN"><code class="literal">G_TYPE_BOOLEAN</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_boolean</p></td>
<td class="parameter_description"><p>boolean value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-boolean"></a><h3>g_value_get_boolean ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
g_value_get_boolean (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOOLEAN:CAPS" title="G_TYPE_BOOLEAN"><code class="literal">G_TYPE_BOOLEAN</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-boolean.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-BOOLEAN:CAPS" title="G_TYPE_BOOLEAN"><code class="literal">G_TYPE_BOOLEAN</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-boolean.returns"></a><h4>Returns</h4>
<p> boolean contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-CHAR:CAPS"></a><h3>G_IS_PARAM_SPEC_CHAR()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_CHAR(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_CHAR))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-CHAR:CAPS" title="G_TYPE_PARAM_CHAR"><code class="literal">G_TYPE_PARAM_CHAR</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-CHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-CHAR.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-CHAR:CAPS"></a><h3>G_PARAM_SPEC_CHAR()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_CHAR(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_CHAR, GParamSpecChar))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecChar" title="struct GParamSpecChar"><span class="type">GParamSpecChar</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-CHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-CHAR:CAPS"></a><h3>G_VALUE_HOLDS_CHAR()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_CHAR(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_CHAR))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-CHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-CHAR.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-char"></a><h3>g_param_spec_char ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_char (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecChar" title="struct GParamSpecChar"><span class="type">GParamSpecChar</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a> property.</p>
<div class="refsect3">
<a name="g-param-spec-char.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-char.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-char"></a><h3>g_value_set_char ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_char (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> v_char</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_value_set_char</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>This function's input type is broken, see <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-schar" title="g_value_set_schar ()"><code class="function">g_value_set_schar()</code></a></p>
</div>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_char</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-char.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_char</p></td>
<td class="parameter_description"><p>character value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-char"></a><h3>g_value_get_char ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a>
g_value_get_char (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_value_get_char</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>This function's return type is broken, see <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-schar" title="g_value_get_schar ()"><code class="function">g_value_get_schar()</code></a></p>
</div>
<p>Do not use this function; it is broken on platforms where the <code class="literal">char</code>
type is unsigned, such as ARM and PowerPC. See <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-schar" title="g_value_get_schar ()"><code class="function">g_value_get_schar()</code></a>.</p>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-char.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-char.returns"></a><h4>Returns</h4>
<p> character contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-schar"></a><h3>g_value_get_schar ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gint8"><span class="returnvalue">gint8</span></a>
g_value_get_schar (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-schar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-schar.returns"></a><h4>Returns</h4>
<p> signed 8 bit integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-32.html#api-index-2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-schar"></a><h3>g_value_set_schar ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_schar (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> v_char</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_char</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-schar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-CHAR:CAPS" title="G_TYPE_CHAR"><code class="literal">G_TYPE_CHAR</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_char</p></td>
<td class="parameter_description"><p>signed 8 bit integer to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-32.html#api-index-2.32">2.32</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-UCHAR:CAPS"></a><h3>G_IS_PARAM_SPEC_UCHAR()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_UCHAR(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_UCHAR))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UCHAR:CAPS" title="G_TYPE_PARAM_UCHAR"><code class="literal">G_TYPE_PARAM_UCHAR</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UCHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UCHAR.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-UCHAR:CAPS"></a><h3>G_PARAM_SPEC_UCHAR()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_UCHAR(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_UCHAR, GParamSpecUChar))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUChar" title="struct GParamSpecUChar"><span class="type">GParamSpecUChar</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-UCHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-UCHAR:CAPS"></a><h3>G_VALUE_HOLDS_UCHAR()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_UCHAR(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_UCHAR))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UCHAR:CAPS" title="G_TYPE_UCHAR"><code class="literal">G_TYPE_UCHAR</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-UCHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-UCHAR.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-uchar"></a><h3>g_param_spec_uchar ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_uchar (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUChar" title="struct GParamSpecUChar"><span class="type">GParamSpecUChar</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-UCHAR:CAPS" title="G_TYPE_UCHAR"><code class="literal">G_TYPE_UCHAR</code></a> property.</p>
<div class="refsect3">
<a name="g-param-spec-uchar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-uchar.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-uchar"></a><h3>g_value_set_uchar ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_uchar (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guchar"><span class="type">guchar</span></a> v_uchar</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-UCHAR:CAPS" title="G_TYPE_UCHAR"><code class="literal">G_TYPE_UCHAR</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_uchar</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-uchar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UCHAR:CAPS" title="G_TYPE_UCHAR"><code class="literal">G_TYPE_UCHAR</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_uchar</p></td>
<td class="parameter_description"><p>unsigned character value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-uchar"></a><h3>g_value_get_uchar ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guchar"><span class="returnvalue">guchar</span></a>
g_value_get_uchar (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-UCHAR:CAPS" title="G_TYPE_UCHAR"><code class="literal">G_TYPE_UCHAR</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-uchar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UCHAR:CAPS" title="G_TYPE_UCHAR"><code class="literal">G_TYPE_UCHAR</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-uchar.returns"></a><h4>Returns</h4>
<p> unsigned character contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-INT:CAPS"></a><h3>G_IS_PARAM_SPEC_INT()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_INT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_INT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-INT:CAPS" title="G_TYPE_PARAM_INT"><code class="literal">G_TYPE_PARAM_INT</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-INT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-INT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-INT:CAPS"></a><h3>G_PARAM_SPEC_INT()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_INT(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_INT, GParamSpecInt))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt" title="struct GParamSpecInt"><span class="type">GParamSpecInt</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-INT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-INT:CAPS"></a><h3>G_VALUE_HOLDS_INT()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_INT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_INT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-INT:CAPS" title="G_TYPE_INT"><code class="literal">G_TYPE_INT</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-INT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-INT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-int"></a><h3>g_param_spec_int ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_int (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt" title="struct GParamSpecInt"><span class="type">GParamSpecInt</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-INT:CAPS" title="G_TYPE_INT"><code class="literal">G_TYPE_INT</code></a> property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-int.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-int.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-int"></a><h3>g_value_set_int ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_int (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> v_int</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-INT:CAPS" title="G_TYPE_INT"><code class="literal">G_TYPE_INT</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_int</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-int.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-INT:CAPS" title="G_TYPE_INT"><code class="literal">G_TYPE_INT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_int</p></td>
<td class="parameter_description"><p>integer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-int"></a><h3>g_value_get_int ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
g_value_get_int (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-INT:CAPS" title="G_TYPE_INT"><code class="literal">G_TYPE_INT</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-int.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-INT:CAPS" title="G_TYPE_INT"><code class="literal">G_TYPE_INT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-int.returns"></a><h4>Returns</h4>
<p> integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-UINT:CAPS"></a><h3>G_IS_PARAM_SPEC_UINT()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_UINT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_UINT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UINT:CAPS" title="G_TYPE_PARAM_UINT"><code class="literal">G_TYPE_PARAM_UINT</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UINT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UINT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-UINT:CAPS"></a><h3>G_PARAM_SPEC_UINT()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_UINT(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_UINT, GParamSpecUInt))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt" title="struct GParamSpecUInt"><span class="type">GParamSpecUInt</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-UINT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-UINT:CAPS"></a><h3>G_VALUE_HOLDS_UINT()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_UINT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_UINT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-UINT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-UINT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-uint"></a><h3>g_param_spec_uint ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_uint (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt" title="struct GParamSpecUInt"><span class="type">GParamSpecUInt</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a> property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-uint.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-uint.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-uint"></a><h3>g_value_set_uint ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_uint (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> v_uint</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_uint</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-uint.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_uint</p></td>
<td class="parameter_description"><p>unsigned integer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-uint"></a><h3>g_value_get_uint ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
g_value_get_uint (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-uint.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-uint.returns"></a><h4>Returns</h4>
<p> unsigned integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-LONG:CAPS"></a><h3>G_IS_PARAM_SPEC_LONG()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_LONG(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_LONG))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-LONG:CAPS" title="G_TYPE_PARAM_LONG"><code class="literal">G_TYPE_PARAM_LONG</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-LONG.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-LONG.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-LONG:CAPS"></a><h3>G_PARAM_SPEC_LONG()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_LONG(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_LONG, GParamSpecLong))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecLong" title="struct GParamSpecLong"><span class="type">GParamSpecLong</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-LONG.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-LONG:CAPS"></a><h3>G_VALUE_HOLDS_LONG()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_LONG(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_LONG))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-LONG:CAPS" title="G_TYPE_LONG"><code class="literal">G_TYPE_LONG</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-LONG.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-LONG.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-long"></a><h3>g_param_spec_long ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_long (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecLong" title="struct GParamSpecLong"><span class="type">GParamSpecLong</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-LONG:CAPS" title="G_TYPE_LONG"><code class="literal">G_TYPE_LONG</code></a> property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-long.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-long.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-long"></a><h3>g_value_set_long ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_long (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> v_long</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-LONG:CAPS" title="G_TYPE_LONG"><code class="literal">G_TYPE_LONG</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_long</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-long.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-LONG:CAPS" title="G_TYPE_LONG"><code class="literal">G_TYPE_LONG</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_long</p></td>
<td class="parameter_description"><p>long integer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-long"></a><h3>g_value_get_long ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#glong"><span class="returnvalue">glong</span></a>
g_value_get_long (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-LONG:CAPS" title="G_TYPE_LONG"><code class="literal">G_TYPE_LONG</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-long.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-LONG:CAPS" title="G_TYPE_LONG"><code class="literal">G_TYPE_LONG</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-long.returns"></a><h4>Returns</h4>
<p> long integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-ULONG:CAPS"></a><h3>G_IS_PARAM_SPEC_ULONG()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_ULONG(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_ULONG))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-ULONG:CAPS" title="G_TYPE_PARAM_ULONG"><code class="literal">G_TYPE_PARAM_ULONG</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-ULONG.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-ULONG.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-ULONG:CAPS"></a><h3>G_PARAM_SPEC_ULONG()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_ULONG(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_ULONG, GParamSpecULong))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecULong" title="struct GParamSpecULong"><span class="type">GParamSpecULong</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-ULONG.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-ULONG:CAPS"></a><h3>G_VALUE_HOLDS_ULONG()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_ULONG(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_ULONG))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-ULONG:CAPS" title="G_TYPE_ULONG"><code class="literal">G_TYPE_ULONG</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-ULONG.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-ULONG.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-ulong"></a><h3>g_param_spec_ulong ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_ulong (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecULong" title="struct GParamSpecULong"><span class="type">GParamSpecULong</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-ULONG:CAPS" title="G_TYPE_ULONG"><code class="literal">G_TYPE_ULONG</code></a>
property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-ulong.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-ulong.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-ulong"></a><h3>g_value_set_ulong ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_ulong (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> v_ulong</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-ULONG:CAPS" title="G_TYPE_ULONG"><code class="literal">G_TYPE_ULONG</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_ulong</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-ulong.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-ULONG:CAPS" title="G_TYPE_ULONG"><code class="literal">G_TYPE_ULONG</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_ulong</p></td>
<td class="parameter_description"><p>unsigned long integer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-ulong"></a><h3>g_value_get_ulong ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gulong"><span class="returnvalue">gulong</span></a>
g_value_get_ulong (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-ULONG:CAPS" title="G_TYPE_ULONG"><code class="literal">G_TYPE_ULONG</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-ulong.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-ULONG:CAPS" title="G_TYPE_ULONG"><code class="literal">G_TYPE_ULONG</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-ulong.returns"></a><h4>Returns</h4>
<p> unsigned long integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-INT64:CAPS"></a><h3>G_IS_PARAM_SPEC_INT64()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_INT64(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_INT64))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-INT64:CAPS" title="G_TYPE_PARAM_INT64"><code class="literal">G_TYPE_PARAM_INT64</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-INT64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-INT64.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-INT64:CAPS"></a><h3>G_PARAM_SPEC_INT64()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_INT64(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_INT64, GParamSpecInt64))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt64" title="struct GParamSpecInt64"><span class="type">GParamSpecInt64</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-INT64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-INT64:CAPS"></a><h3>G_VALUE_HOLDS_INT64()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_INT64(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_INT64))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-INT64:CAPS" title="G_TYPE_INT64"><code class="literal">G_TYPE_INT64</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-INT64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-INT64.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-int64"></a><h3>g_param_spec_int64 ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_int64 (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt64" title="struct GParamSpecInt64"><span class="type">GParamSpecInt64</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-INT64:CAPS" title="G_TYPE_INT64"><code class="literal">G_TYPE_INT64</code></a> property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-int64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-int64.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-int64"></a><h3>g_value_set_int64 ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_int64 (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> v_int64</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-INT64:CAPS" title="G_TYPE_INT64"><code class="literal">G_TYPE_INT64</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_int64</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-int64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-INT64:CAPS" title="G_TYPE_INT64"><code class="literal">G_TYPE_INT64</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_int64</p></td>
<td class="parameter_description"><p>64bit integer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-int64"></a><h3>g_value_get_int64 ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gint64"><span class="returnvalue">gint64</span></a>
g_value_get_int64 (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-INT64:CAPS" title="G_TYPE_INT64"><code class="literal">G_TYPE_INT64</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-int64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-INT64:CAPS" title="G_TYPE_INT64"><code class="literal">G_TYPE_INT64</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-int64.returns"></a><h4>Returns</h4>
<p> 64bit integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-UINT64:CAPS"></a><h3>G_IS_PARAM_SPEC_UINT64()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_UINT64(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_UINT64))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UINT64:CAPS" title="G_TYPE_PARAM_UINT64"><code class="literal">G_TYPE_PARAM_UINT64</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UINT64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UINT64.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-UINT64:CAPS"></a><h3>G_PARAM_SPEC_UINT64()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_UINT64(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_UINT64, GParamSpecUInt64))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt64" title="struct GParamSpecUInt64"><span class="type">GParamSpecUInt64</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-UINT64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-UINT64:CAPS"></a><h3>G_VALUE_HOLDS_UINT64()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_UINT64(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_UINT64))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT64:CAPS" title="G_TYPE_UINT64"><code class="literal">G_TYPE_UINT64</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-UINT64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-UINT64.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-uint64"></a><h3>g_param_spec_uint64 ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_uint64 (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt64" title="struct GParamSpecUInt64"><span class="type">GParamSpecUInt64</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT64:CAPS" title="G_TYPE_UINT64"><code class="literal">G_TYPE_UINT64</code></a>
property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-uint64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-uint64.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-uint64"></a><h3>g_value_set_uint64 ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_uint64 (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> v_uint64</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT64:CAPS" title="G_TYPE_UINT64"><code class="literal">G_TYPE_UINT64</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_uint64</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-uint64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT64:CAPS" title="G_TYPE_UINT64"><code class="literal">G_TYPE_UINT64</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_uint64</p></td>
<td class="parameter_description"><p>unsigned 64bit integer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-uint64"></a><h3>g_value_get_uint64 ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint64"><span class="returnvalue">guint64</span></a>
g_value_get_uint64 (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT64:CAPS" title="G_TYPE_UINT64"><code class="literal">G_TYPE_UINT64</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-uint64.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT64:CAPS" title="G_TYPE_UINT64"><code class="literal">G_TYPE_UINT64</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-uint64.returns"></a><h4>Returns</h4>
<p> unsigned 64bit integer contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-FLOAT:CAPS"></a><h3>G_IS_PARAM_SPEC_FLOAT()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_FLOAT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_FLOAT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-FLOAT:CAPS" title="G_TYPE_PARAM_FLOAT"><code class="literal">G_TYPE_PARAM_FLOAT</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-FLOAT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-FLOAT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-FLOAT:CAPS"></a><h3>G_PARAM_SPEC_FLOAT()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_FLOAT(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_FLOAT, GParamSpecFloat))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFloat" title="struct GParamSpecFloat"><span class="type">GParamSpecFloat</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-FLOAT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-FLOAT:CAPS"></a><h3>G_VALUE_HOLDS_FLOAT()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_FLOAT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_FLOAT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-FLOAT:CAPS" title="G_TYPE_FLOAT"><code class="literal">G_TYPE_FLOAT</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-FLOAT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-FLOAT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-float"></a><h3>g_param_spec_float ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_float (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFloat" title="struct GParamSpecFloat"><span class="type">GParamSpecFloat</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-FLOAT:CAPS" title="G_TYPE_FLOAT"><code class="literal">G_TYPE_FLOAT</code></a> property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-float.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-float.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-float"></a><h3>g_value_set_float ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_float (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> v_float</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-FLOAT:CAPS" title="G_TYPE_FLOAT"><code class="literal">G_TYPE_FLOAT</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_float</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-float.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-FLOAT:CAPS" title="G_TYPE_FLOAT"><code class="literal">G_TYPE_FLOAT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_float</p></td>
<td class="parameter_description"><p>float value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-float"></a><h3>g_value_get_float ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gfloat"><span class="returnvalue">gfloat</span></a>
g_value_get_float (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-FLOAT:CAPS" title="G_TYPE_FLOAT"><code class="literal">G_TYPE_FLOAT</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-float.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-FLOAT:CAPS" title="G_TYPE_FLOAT"><code class="literal">G_TYPE_FLOAT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-float.returns"></a><h4>Returns</h4>
<p> float contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-DOUBLE:CAPS"></a><h3>G_IS_PARAM_SPEC_DOUBLE()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_DOUBLE(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_DOUBLE))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-DOUBLE:CAPS" title="G_TYPE_PARAM_DOUBLE"><code class="literal">G_TYPE_PARAM_DOUBLE</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-DOUBLE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-DOUBLE.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-DOUBLE:CAPS"></a><h3>G_PARAM_SPEC_DOUBLE()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_DOUBLE(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_DOUBLE, GParamSpecDouble))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecDouble" title="struct GParamSpecDouble"><span class="type">GParamSpecDouble</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-DOUBLE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-DOUBLE:CAPS"></a><h3>G_VALUE_HOLDS_DOUBLE()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_DOUBLE(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_DOUBLE))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-DOUBLE:CAPS" title="G_TYPE_DOUBLE"><code class="literal">G_TYPE_DOUBLE</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-DOUBLE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-DOUBLE.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-double"></a><h3>g_param_spec_double ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_double (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> minimum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> maximum</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecDouble" title="struct GParamSpecDouble"><span class="type">GParamSpecDouble</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-DOUBLE:CAPS" title="G_TYPE_DOUBLE"><code class="literal">G_TYPE_DOUBLE</code></a>
property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-double.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minimum</p></td>
<td class="parameter_description"><p>minimum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maximum</p></td>
<td class="parameter_description"><p>maximum value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-double.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-double"></a><h3>g_value_set_double ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_double (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> v_double</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-DOUBLE:CAPS" title="G_TYPE_DOUBLE"><code class="literal">G_TYPE_DOUBLE</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_double</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-double.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-DOUBLE:CAPS" title="G_TYPE_DOUBLE"><code class="literal">G_TYPE_DOUBLE</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_double</p></td>
<td class="parameter_description"><p>double value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-double"></a><h3>g_value_get_double ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>
g_value_get_double (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-DOUBLE:CAPS" title="G_TYPE_DOUBLE"><code class="literal">G_TYPE_DOUBLE</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-double.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-DOUBLE:CAPS" title="G_TYPE_DOUBLE"><code class="literal">G_TYPE_DOUBLE</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-double.returns"></a><h4>Returns</h4>
<p> double contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-ENUM:CAPS"></a><h3>G_IS_PARAM_SPEC_ENUM()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_ENUM(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_ENUM))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-ENUM:CAPS" title="G_TYPE_PARAM_ENUM"><code class="literal">G_TYPE_PARAM_ENUM</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-ENUM.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-ENUM.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-ENUM:CAPS"></a><h3>G_PARAM_SPEC_ENUM()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_ENUM(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_ENUM, GParamSpecEnum))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecEnum" title="struct GParamSpecEnum"><span class="type">GParamSpecEnum</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-ENUM.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-ENUM:CAPS"></a><h3>G_VALUE_HOLDS_ENUM()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_ENUM(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_ENUM))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values derived from type <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-ENUM.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-ENUM.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-enum"></a><h3>g_param_spec_enum ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_enum (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> enum_type</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecEnum" title="struct GParamSpecEnum"><span class="type">GParamSpecEnum</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a>
property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-enum.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>enum_type</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-enum.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-enum"></a><h3>g_value_set_enum ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_enum (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> v_enum</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_enum</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-enum.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_enum</p></td>
<td class="parameter_description"><p>enum value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-enum"></a><h3>g_value_get_enum ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
g_value_get_enum (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-enum.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-ENUM:CAPS" title="G_TYPE_ENUM"><code class="literal">G_TYPE_ENUM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-enum.returns"></a><h4>Returns</h4>
<p> enum contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-FLAGS:CAPS"></a><h3>G_IS_PARAM_SPEC_FLAGS()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_FLAGS(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_FLAGS))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-FLAGS:CAPS" title="G_TYPE_PARAM_FLAGS"><code class="literal">G_TYPE_PARAM_FLAGS</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-FLAGS.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-FLAGS.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-FLAGS:CAPS"></a><h3>G_PARAM_SPEC_FLAGS()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_FLAGS(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_FLAGS, GParamSpecFlags))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFlags" title="struct GParamSpecFlags"><span class="type">GParamSpecFlags</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-FLAGS.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-FLAGS:CAPS"></a><h3>G_VALUE_HOLDS_FLAGS()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_FLAGS(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_FLAGS))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values derived from type <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-FLAGS.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-FLAGS.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-flags"></a><h3>g_param_spec_flags ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_flags (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> flags_type</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFlags" title="struct GParamSpecFlags"><span class="type">GParamSpecFlags</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a>
property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-flags.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags_type</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-flags.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-flags"></a><h3>g_value_set_flags ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_flags (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> v_flags</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_flags</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-flags.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_flags</p></td>
<td class="parameter_description"><p>flags value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-flags"></a><h3>g_value_get_flags ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
g_value_get_flags (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-flags.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-FLAGS:CAPS" title="G_TYPE_FLAGS"><code class="literal">G_TYPE_FLAGS</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-flags.returns"></a><h4>Returns</h4>
<p> flags contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-STRING:CAPS"></a><h3>G_IS_PARAM_SPEC_STRING()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_STRING(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_STRING))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-STRING:CAPS" title="G_TYPE_PARAM_STRING"><code class="literal">G_TYPE_PARAM_STRING</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-STRING.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-STRING.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-STRING:CAPS"></a><h3>G_PARAM_SPEC_STRING()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_STRING(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_STRING, GParamSpecString))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecString" title="struct GParamSpecString"><span class="type">GParamSpecString</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-STRING.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-STRING:CAPS"></a><h3>G_VALUE_HOLDS_STRING()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_STRING(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_STRING))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-STRING.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-STRING.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-string"></a><h3>g_param_spec_string ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_string (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecString" title="struct GParamSpecString"><span class="type">GParamSpecString</span></a> instance.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p> default value for the property specified. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-string.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-string"></a><h3>g_value_set_string ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_string (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *v_string</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_string</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_string</p></td>
<td class="parameter_description"><p> caller-owned string to be duplicated for the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-static-string"></a><h3>g_value_set_static_string ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_static_string (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *v_string</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_string</code></em>
.
The string is assumed to be static, and is thus not duplicated
when setting the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-set-static-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_string</p></td>
<td class="parameter_description"><p> static string to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-take-string"></a><h3>g_value_take_string ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_take_string (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *v_string</code></em>);</pre>
<p>Sets the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_string</code></em>
.</p>
<div class="refsect3">
<a name="g-value-take-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_string</p></td>
<td class="parameter_description"><p> string to take ownership of. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-string-take-ownership"></a><h3>g_value_set_string_take_ownership ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_string_take_ownership (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *v_string</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_value_set_string_take_ownership</code> has been deprecated since version 2.4 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-string" title="g_value_take_string ()"><code class="function">g_value_take_string()</code></a> instead.</p>
</div>
<p>This is an internal function introduced mainly for C marshallers.</p>
<div class="refsect3">
<a name="g-value-set-string-take-ownership.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_string</p></td>
<td class="parameter_description"><p> duplicated unowned string to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-string"></a><h3>g_value_get_string ()</h3>
<pre class="programlisting">const <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
g_value_get_string (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-string.returns"></a><h4>Returns</h4>
<p> string content of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-dup-string"></a><h3>g_value_dup_string ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
g_value_dup_string (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get a copy the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-dup-string.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><code class="literal">G_TYPE_STRING</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-dup-string.returns"></a><h4>Returns</h4>
<p> a newly allocated copy of the string content of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-PARAM:CAPS"></a><h3>G_IS_PARAM_SPEC_PARAM()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_PARAM(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_PARAM))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-PARAM:CAPS" title="G_TYPE_PARAM_PARAM"><code class="literal">G_TYPE_PARAM_PARAM</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-PARAM.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-PARAM.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-PARAM:CAPS"></a><h3>G_PARAM_SPEC_PARAM()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_PARAM(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_PARAM, GParamSpecParam))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecParam" title="struct GParamSpecParam"><span class="type">GParamSpecParam</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-PARAM.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-PARAM:CAPS"></a><h3>G_VALUE_HOLDS_PARAM()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_PARAM(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_PARAM))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values derived from type <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-PARAM.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-PARAM.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-param"></a><h3>g_param_spec_param ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_param (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> param_type</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecParam" title="struct GParamSpecParam"><span class="type">GParamSpecParam</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a>
property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-param.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>param_type</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-param.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-param"></a><h3>g_value_set_param ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_param (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> *param</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>param</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-param.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>param</p></td>
<td class="parameter_description"><p> the <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-take-param"></a><h3>g_value_take_param ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_take_param (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> *param</code></em>);</pre>
<p>Sets the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>param</code></em>
and takes
over the ownership of the callers reference to <em class="parameter"><code>param</code></em>
; the caller
doesn't have to unref it any more.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-value-take-param.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>param</p></td>
<td class="parameter_description"><p> the <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-param-take-ownership"></a><h3>g_value_set_param_take_ownership ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_param_take_ownership (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> *param</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_value_set_param_take_ownership</code> has been deprecated since version 2.4 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-param" title="g_value_take_param ()"><code class="function">g_value_take_param()</code></a> instead.</p>
</div>
<p>This is an internal function introduced mainly for C marshallers.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-value-set-param-take-ownership.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>param</p></td>
<td class="parameter_description"><p> the <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-param"></a><h3>g_value_get_param ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_value_get_param (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-param.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-param.returns"></a><h4>Returns</h4>
<p> <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> content of <em class="parameter"><code>value</code></em>
. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-dup-param"></a><h3>g_value_dup_param ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_value_dup_param (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>, increasing its
reference count.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-value-dup-param.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-dup-param.returns"></a><h4>Returns</h4>
<p> <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> content of <em class="parameter"><code>value</code></em>
, should be unreferenced when
no longer needed.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-BOXED:CAPS"></a><h3>G_IS_PARAM_SPEC_BOXED()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_BOXED(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_BOXED))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-BOXED:CAPS" title="G_TYPE_PARAM_BOXED"><code class="literal">G_TYPE_PARAM_BOXED</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-BOXED.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-BOXED.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-BOXED:CAPS"></a><h3>G_PARAM_SPEC_BOXED()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_BOXED(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_BOXED, GParamSpecBoxed))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoxed" title="struct GParamSpecBoxed"><span class="type">GParamSpecBoxed</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-BOXED.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-BOXED:CAPS"></a><h3>G_VALUE_HOLDS_BOXED()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_BOXED(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_BOXED))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values derived
from type <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-BOXED.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-BOXED.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-boxed"></a><h3>g_param_spec_boxed ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_boxed (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> boxed_type</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoxed" title="struct GParamSpecBoxed"><span class="type">GParamSpecBoxed</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a>
derived property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-boxed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>boxed_type</p></td>
<td class="parameter_description"><p><a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type of this property</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-boxed.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-boxed"></a><h3>g_value_set_boxed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_boxed (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gconstpointer"><span class="type">gconstpointer</span></a> v_boxed</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_boxed</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-boxed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_boxed</p></td>
<td class="parameter_description"><p> boxed value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-static-boxed"></a><h3>g_value_set_static_boxed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_static_boxed (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gconstpointer"><span class="type">gconstpointer</span></a> v_boxed</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_boxed</code></em>
.
The boxed value is assumed to be static, and is thus not duplicated
when setting the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-set-static-boxed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_boxed</p></td>
<td class="parameter_description"><p> static boxed value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-take-boxed"></a><h3>g_value_take_boxed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_take_boxed (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gconstpointer"><span class="type">gconstpointer</span></a> v_boxed</code></em>);</pre>
<p>Sets the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_boxed</code></em>
and takes over the ownership of the callers reference to <em class="parameter"><code>v_boxed</code></em>
;
the caller doesn't have to unref it any more.</p>
<div class="refsect3">
<a name="g-value-take-boxed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_boxed</p></td>
<td class="parameter_description"><p> duplicated unowned boxed value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-boxed-take-ownership"></a><h3>g_value_set_boxed_take_ownership ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_boxed_take_ownership (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gconstpointer"><span class="type">gconstpointer</span></a> v_boxed</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_value_set_boxed_take_ownership</code> has been deprecated since version 2.4 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-boxed" title="g_value_take_boxed ()"><code class="function">g_value_take_boxed()</code></a> instead.</p>
</div>
<p>This is an internal function introduced mainly for C marshallers.</p>
<div class="refsect3">
<a name="g-value-set-boxed-take-ownership.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_boxed</p></td>
<td class="parameter_description"><p> duplicated unowned boxed value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-boxed"></a><h3>g_value_get_boxed ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
g_value_get_boxed (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-boxed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-boxed.returns"></a><h4>Returns</h4>
<p> boxed contents of <em class="parameter"><code>value</code></em>
. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-dup-boxed"></a><h3>g_value_dup_boxed ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
g_value_dup_boxed (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>. Upon getting,
the boxed value is duplicated and needs to be later freed with
<a class="link" href="gobject-Boxed-Types.html#g-boxed-free" title="g_boxed_free ()"><code class="function">g_boxed_free()</code></a>, e.g. like: g_boxed_free (G_VALUE_TYPE (<em class="parameter"><code>value</code></em>
),
return_value);</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-value-dup-boxed.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-dup-boxed.returns"></a><h4>Returns</h4>
<p> boxed contents of <em class="parameter"><code>value</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-POINTER:CAPS"></a><h3>G_IS_PARAM_SPEC_POINTER()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_POINTER(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_POINTER))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-POINTER:CAPS" title="G_TYPE_PARAM_POINTER"><code class="literal">G_TYPE_PARAM_POINTER</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-POINTER.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-POINTER.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-POINTER:CAPS"></a><h3>G_PARAM_SPEC_POINTER()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_POINTER(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_POINTER, GParamSpecPointer))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecPointer" title="struct GParamSpecPointer"><span class="type">GParamSpecPointer</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-POINTER.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-POINTER:CAPS"></a><h3>G_VALUE_HOLDS_POINTER()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_POINTER(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_POINTER))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-POINTER:CAPS" title="G_TYPE_POINTER"><code class="literal">G_TYPE_POINTER</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-POINTER.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-POINTER.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-pointer"></a><h3>g_param_spec_pointer ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_pointer (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecPointer" title="struct GParamSpecPointer"><span class="type">GParamSpecPointer</span></a> instance specifying a pointer property.
Where possible, it is better to use <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-object" title="g_param_spec_object ()"><code class="function">g_param_spec_object()</code></a> or
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-param-spec-boxed" title="g_param_spec_boxed ()"><code class="function">g_param_spec_boxed()</code></a> to expose memory management information.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-pointer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-pointer.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-pointer"></a><h3>g_value_set_pointer ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_pointer (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> v_pointer</code></em>);</pre>
<p>Set the contents of a pointer <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_pointer</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-pointer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-POINTER:CAPS" title="G_TYPE_POINTER"><code class="literal">G_TYPE_POINTER</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_pointer</p></td>
<td class="parameter_description"><p>pointer value to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-pointer"></a><h3>g_value_get_pointer ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
g_value_get_pointer (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a pointer <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-pointer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-POINTER:CAPS" title="G_TYPE_POINTER"><code class="literal">G_TYPE_POINTER</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-pointer.returns"></a><h4>Returns</h4>
<p> pointer contents of <em class="parameter"><code>value</code></em>
. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-OBJECT:CAPS"></a><h3>G_IS_PARAM_SPEC_OBJECT()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_OBJECT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_OBJECT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-OBJECT:CAPS" title="G_TYPE_PARAM_OBJECT"><code class="literal">G_TYPE_PARAM_OBJECT</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-OBJECT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-OBJECT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-OBJECT:CAPS"></a><h3>G_PARAM_SPEC_OBJECT()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_OBJECT(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_OBJECT, GParamSpecObject))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecObject" title="struct GParamSpecObject"><span class="type">GParamSpecObject</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-OBJECT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-OBJECT:CAPS"></a><h3>G_VALUE_HOLDS_OBJECT()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_OBJECT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_OBJECT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values derived from type <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-OBJECT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-OBJECT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-object"></a><h3>g_param_spec_object ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_object (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> object_type</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoxed" title="struct GParamSpecBoxed"><span class="type">GParamSpecBoxed</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a>
derived property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-object.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>object_type</p></td>
<td class="parameter_description"><p><a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived type of this property</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-object.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-object"></a><h3>g_value_set_object ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_object (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> v_object</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_object</code></em>
.</p>
<p>g_value_set_object() increases the reference count of <em class="parameter"><code>v_object</code></em>
(the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> holds a reference to <em class="parameter"><code>v_object</code></em>
). If you do not wish
to increase the reference count of the object (i.e. you wish to
pass your current reference to the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> because you no longer
need it), use <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-object" title="g_value_take_object ()"><code class="function">g_value_take_object()</code></a> instead.</p>
<p>It is important that your <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> holds a reference to <em class="parameter"><code>v_object</code></em>
(either its
own, or one it has taken) to ensure that the object won't be destroyed while
the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> still exists).</p>
<div class="refsect3">
<a name="g-value-set-object.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_object</p></td>
<td class="parameter_description"><p> object value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> GObject.Object][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-take-object"></a><h3>g_value_take_object ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_take_object (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> v_object</code></em>);</pre>
<p>Sets the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_object</code></em>
and takes over the ownership of the callers reference to <em class="parameter"><code>v_object</code></em>
;
the caller doesn't have to unref it any more (i.e. the reference
count of the object is not increased).</p>
<p>If you want the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to hold its own reference to <em class="parameter"><code>v_object</code></em>
, use
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-object" title="g_value_set_object ()"><code class="function">g_value_set_object()</code></a> instead.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-value-take-object.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_object</p></td>
<td class="parameter_description"><p> object value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-object-take-ownership"></a><h3>g_value_set_object_take_ownership ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_object_take_ownership (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> v_object</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_value_set_object_take_ownership</code> has been deprecated since version 2.4 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-take-object" title="g_value_take_object ()"><code class="function">g_value_take_object()</code></a> instead.</p>
</div>
<p>This is an internal function introduced mainly for C marshallers.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-value-set-object-take-ownership.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_object</p></td>
<td class="parameter_description"><p> object value to be set. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-object"></a><h3>g_value_get_object ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
g_value_get_object (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-object.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived type</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-object.returns"></a><h4>Returns</h4>
<p> object contents of <em class="parameter"><code>value</code></em>
. </p>
<p><span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> GObject.Object][<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-value-dup-object"></a><h3>g_value_dup_object ()</h3>
<pre class="programlisting"><a href="../glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
g_value_dup_object (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a> derived <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>, increasing
its reference count. If the contents of the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> are <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, then
<a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> will be returned.</p>
<div class="refsect3">
<a name="g-value-dup-object.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> whose type is derived from <a class="link" href="gobject-Type-Information.html#G-TYPE-OBJECT:CAPS" title="G_TYPE_OBJECT"><code class="literal">G_TYPE_OBJECT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-dup-object.returns"></a><h4>Returns</h4>
<p> object content of <em class="parameter"><code>value</code></em>
,
should be unreferenced when no longer needed. </p>
<p><span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> GObject.Object][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-UNICHAR:CAPS"></a><h3>G_IS_PARAM_SPEC_UNICHAR()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_UNICHAR(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_UNICHAR))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-UNICHAR:CAPS" title="G_TYPE_PARAM_UNICHAR"><code class="literal">G_TYPE_PARAM_UNICHAR</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UNICHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-UNICHAR.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-UNICHAR:CAPS"></a><h3>G_PARAM_SPEC_UNICHAR()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_UNICHAR(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_UNICHAR, GParamSpecUnichar))
</pre>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUnichar" title="struct GParamSpecUnichar"><span class="type">GParamSpecUnichar</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-UNICHAR.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-unichar"></a><h3>g_param_spec_unichar ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_unichar (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a href="../glib-Unicode-Manipulation.html#gunichar"><span class="type">gunichar</span></a> default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUnichar" title="struct GParamSpecUnichar"><span class="type">GParamSpecUnichar</span></a> instance specifying a <a class="link" href="gobject-Type-Information.html#G-TYPE-UINT:CAPS" title="G_TYPE_UINT"><code class="literal">G_TYPE_UINT</code></a>
property. <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structures for this property can be accessed with
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-uint" title="g_value_set_uint ()"><code class="function">g_value_set_uint()</code></a> and <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-uint" title="g_value_get_uint ()"><code class="function">g_value_get_uint()</code></a>.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-unichar.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p>default value for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-unichar.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-VALUE-ARRAY:CAPS"></a><h3>G_IS_PARAM_SPEC_VALUE_ARRAY()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_VALUE_ARRAY(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_VALUE_ARRAY))
</pre>
<div class="warning">
<p><code class="literal">G_IS_PARAM_SPEC_VALUE_ARRAY</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="../glib-Arrays.html#GArray"><span class="type">GArray</span></a> instead of <a class="link" href="gobject-Value-arrays.html#GValueArray" title="struct GValueArray"><span class="type">GValueArray</span></a></p>
</div>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-VALUE-ARRAY:CAPS" title="G_TYPE_PARAM_VALUE_ARRAY"><code class="literal">G_TYPE_PARAM_VALUE_ARRAY</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-VALUE-ARRAY.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-VALUE-ARRAY.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-VALUE-ARRAY:CAPS"></a><h3>G_PARAM_SPEC_VALUE_ARRAY()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_VALUE_ARRAY(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_VALUE_ARRAY, GParamSpecValueArray))
</pre>
<div class="warning">
<p><code class="literal">G_PARAM_SPEC_VALUE_ARRAY</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="../glib-Arrays.html#GArray"><span class="type">GArray</span></a> instead of <a class="link" href="gobject-Value-arrays.html#GValueArray" title="struct GValueArray"><span class="type">GValueArray</span></a></p>
</div>
<p>Cast a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecValueArray" title="struct GParamSpecValueArray"><span class="type">GParamSpecValueArray</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-VALUE-ARRAY.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> instance</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-value-array"></a><h3>g_param_spec_value_array ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_value_array (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> *element_spec</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecValueArray" title="struct GParamSpecValueArray"><span class="type">GParamSpecValueArray</span></a> instance specifying a
<a class="link" href="gobject-Generic-values.html#G-TYPE-VALUE-ARRAY:CAPS" title="G_TYPE_VALUE_ARRAY"><code class="literal">G_TYPE_VALUE_ARRAY</code></a> property. <a class="link" href="gobject-Generic-values.html#G-TYPE-VALUE-ARRAY:CAPS" title="G_TYPE_VALUE_ARRAY"><code class="literal">G_TYPE_VALUE_ARRAY</code></a> is a
<a class="link" href="gobject-Type-Information.html#G-TYPE-BOXED:CAPS" title="G_TYPE_BOXED"><code class="literal">G_TYPE_BOXED</code></a> type, as such, <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structures for this property
can be accessed with <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-boxed" title="g_value_set_boxed ()"><code class="function">g_value_set_boxed()</code></a> and <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-get-boxed" title="g_value_get_boxed ()"><code class="function">g_value_get_boxed()</code></a>.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-param-spec-value-array.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>element_spec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> describing the elements contained in
arrays of this property, may be <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-value-array.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-OVERRIDE:CAPS"></a><h3>G_IS_PARAM_SPEC_OVERRIDE()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_OVERRIDE(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_OVERRIDE))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-OVERRIDE:CAPS" title="G_TYPE_PARAM_OVERRIDE"><code class="literal">G_TYPE_PARAM_OVERRIDE</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-OVERRIDE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-OVERRIDE.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-OVERRIDE:CAPS"></a><h3>G_PARAM_SPEC_OVERRIDE()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_OVERRIDE(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_OVERRIDE, GParamSpecOverride))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecOverride" title="struct GParamSpecOverride"><span class="type">GParamSpecOverride</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-OVERRIDE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-override"></a><h3>g_param_spec_override ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_override (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> *overridden</code></em>);</pre>
<p>Creates a new property of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecOverride" title="struct GParamSpecOverride"><span class="type">GParamSpecOverride</span></a>. This is used
to direct operations to another paramspec, and will not be directly
useful unless you are implementing a new base type similar to GObject.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="g-param-spec-override.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>the name of the property.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>overridden</p></td>
<td class="parameter_description"><p>The property that is being overridden</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-override.returns"></a><h4>Returns</h4>
<p> the newly created <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-GTYPE:CAPS"></a><h3>G_IS_PARAM_SPEC_GTYPE()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_GTYPE(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_GTYPE))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-GTYPE:CAPS" title="G_TYPE_PARAM_GTYPE"><code class="literal">G_TYPE_PARAM_GTYPE</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-GTYPE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-GTYPE.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success. </p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-GTYPE:CAPS"></a><h3>G_PARAM_SPEC_GTYPE()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_GTYPE(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_GTYPE, GParamSpecGType))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecGType" title="struct GParamSpecGType"><span class="type">GParamSpecGType</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-GTYPE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-GTYPE:CAPS"></a><h3>G_VALUE_HOLDS_GTYPE()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_GTYPE(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_GTYPE))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-GTYPE:CAPS" title="G_TYPE_GTYPE"><code class="literal">G_TYPE_GTYPE</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-GTYPE.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-GTYPE.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-12.html#api-index-2.12">2.12</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-gtype"></a><h3>g_param_spec_gtype ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_gtype (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> is_a_type</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecGType" title="struct GParamSpecGType"><span class="type">GParamSpecGType</span></a> instance specifying a
<a class="link" href="gobject-Type-Information.html#G-TYPE-GTYPE:CAPS" title="G_TYPE_GTYPE"><code class="literal">G_TYPE_GTYPE</code></a> property.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-gtype.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>is_a_type</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> whose subtypes are allowed as values
of the property (use <a class="link" href="gobject-Type-Information.html#G-TYPE-NONE:CAPS" title="G_TYPE_NONE"><code class="literal">G_TYPE_NONE</code></a> for any type)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-gtype.returns"></a><h4>Returns</h4>
<p> a newly created parameter specification. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-gtype"></a><h3>g_value_get_gtype ()</h3>
<pre class="programlisting"><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="returnvalue">GType</span></a>
g_value_get_gtype (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-GTYPE:CAPS" title="G_TYPE_GTYPE"><code class="literal">G_TYPE_GTYPE</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-gtype.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-GTYPE:CAPS" title="G_TYPE_GTYPE"><code class="literal">G_TYPE_GTYPE</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-gtype.returns"></a><h4>Returns</h4>
<p> the <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> stored in <em class="parameter"><code>value</code></em>
</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-12.html#api-index-2.12">2.12</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-gtype"></a><h3>g_value_set_gtype ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_gtype (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> v_gtype</code></em>);</pre>
<p>Set the contents of a <a class="link" href="gobject-Type-Information.html#G-TYPE-GTYPE:CAPS" title="G_TYPE_GTYPE"><code class="literal">G_TYPE_GTYPE</code></a> <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>v_gtype</code></em>
.</p>
<div class="refsect3">
<a name="g-value-set-gtype.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-GTYPE:CAPS" title="G_TYPE_GTYPE"><code class="literal">G_TYPE_GTYPE</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>v_gtype</p></td>
<td class="parameter_description"><p><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-12.html#api-index-2.12">2.12</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-IS-PARAM-SPEC-VARIANT:CAPS"></a><h3>G_IS_PARAM_SPEC_VARIANT()</h3>
<pre class="programlisting">#define G_IS_PARAM_SPEC_VARIANT(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), G_TYPE_PARAM_VARIANT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> is of type <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#G-TYPE-PARAM-VARIANT:CAPS" title="G_TYPE_PARAM_VARIANT"><code class="literal">G_TYPE_PARAM_VARIANT</code></a>.</p>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-VARIANT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-IS-PARAM-SPEC-VARIANT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-PARAM-SPEC-VARIANT:CAPS"></a><h3>G_PARAM_SPEC_VARIANT()</h3>
<pre class="programlisting">#define G_PARAM_SPEC_VARIANT(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), G_TYPE_PARAM_VARIANT, GParamSpecVariant))
</pre>
<p>Casts a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> into a <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecVariant" title="struct GParamSpecVariant"><span class="type">GParamSpecVariant</span></a>.</p>
<div class="refsect3">
<a name="G-PARAM-SPEC-VARIANT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-VALUE-HOLDS-VARIANT:CAPS"></a><h3>G_VALUE_HOLDS_VARIANT()</h3>
<pre class="programlisting">#define G_VALUE_HOLDS_VARIANT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_VARIANT))
</pre>
<p>Checks whether the given <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> can hold values of type <a class="link" href="gobject-Type-Information.html#G-TYPE-VARIANT:CAPS" title="G_TYPE_VARIANT"><code class="literal">G_TYPE_VARIANT</code></a>.</p>
<div class="refsect3">
<a name="G-VALUE-HOLDS-VARIANT.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="G-VALUE-HOLDS-VARIANT.returns"></a><h4>Returns</h4>
<p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-param-spec-variant"></a><h3>g_param_spec_variant ()</h3>
<pre class="programlisting"><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="returnvalue">GParamSpec</span></a> *
g_param_spec_variant (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *nick</code></em>,
<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *blurb</code></em>,
<em class="parameter"><code>const <a href="../glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a> *type</code></em>,
<em class="parameter"><code><a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *default_value</code></em>,
<em class="parameter"><code><a class="link" href="gobject-GParamSpec.html#GParamFlags" title="enum GParamFlags"><span class="type">GParamFlags</span></a> flags</code></em>);</pre>
<p>Creates a new <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecVariant" title="struct GParamSpecVariant"><span class="type">GParamSpecVariant</span></a> instance specifying a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>
property.</p>
<p>If <em class="parameter"><code>default_value</code></em>
is floating, it is consumed.</p>
<p>See <a class="link" href="gobject-GParamSpec.html#g-param-spec-internal" title="g_param_spec_internal ()"><code class="function">g_param_spec_internal()</code></a> for details on property names.</p>
<div class="refsect3">
<a name="g-param-spec-variant.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>canonical name of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>nick</p></td>
<td class="parameter_description"><p>nick name for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>blurb</p></td>
<td class="parameter_description"><p>description of the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>a <a href="../glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>default_value</p></td>
<td class="parameter_description"><p> a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> of type <em class="parameter"><code>type</code></em>
to
use as the default value, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>flags for the property specified</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-param-spec-variant.returns"></a><h4>Returns</h4>
<p> the newly created <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-get-variant"></a><h3>g_value_get_variant ()</h3>
<pre class="programlisting"><a href="../glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> *
g_value_get_variant (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a variant <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>.</p>
<div class="refsect3">
<a name="g-value-get-variant.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-VARIANT:CAPS" title="G_TYPE_VARIANT"><code class="literal">G_TYPE_VARIANT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-get-variant.returns"></a><h4>Returns</h4>
<p> variant contents of <em class="parameter"><code>value</code></em>
</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-dup-variant"></a><h3>g_value_dup_variant ()</h3>
<pre class="programlisting"><a href="../glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> *
g_value_dup_variant (<em class="parameter"><code>const <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Get the contents of a variant <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>, increasing its refcount.</p>
<div class="refsect3">
<a name="g-value-dup-variant.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-VARIANT:CAPS" title="G_TYPE_VARIANT"><code class="literal">G_TYPE_VARIANT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="g-value-dup-variant.returns"></a><h4>Returns</h4>
<p> variant contents of <em class="parameter"><code>value</code></em>
, should be unrefed using
<a href="../glib-GVariant.html#g-variant-unref"><code class="function">g_variant_unref()</code></a> when no longer needed</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-set-variant"></a><h3>g_value_set_variant ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_set_variant (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *variant</code></em>);</pre>
<p>Set the contents of a variant <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>variant</code></em>
.
If the variant is floating, it is consumed.</p>
<div class="refsect3">
<a name="g-value-set-variant.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-VARIANT:CAPS" title="G_TYPE_VARIANT"><code class="literal">G_TYPE_VARIANT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>variant</p></td>
<td class="parameter_description"><p> a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="g-value-take-variant"></a><h3>g_value_take_variant ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_value_take_variant (<em class="parameter"><code><a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> *value</code></em>,
<em class="parameter"><code><a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *variant</code></em>);</pre>
<p>Set the contents of a variant <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to <em class="parameter"><code>variant</code></em>
, and takes over
the ownership of the caller's reference to <em class="parameter"><code>variant</code></em>
;
the caller doesn't have to unref it any more (i.e. the reference
count of the variant is not increased).</p>
<p>If <em class="parameter"><code>variant</code></em>
was floating then its floating reference is converted to
a hard reference.</p>
<p>If you want the <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> to hold its own reference to <em class="parameter"><code>variant</code></em>
, use
<a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#g-value-set-variant" title="g_value_set_variant ()"><code class="function">g_value_set_variant()</code></a> instead.</p>
<p>This is an internal function introduced mainly for C marshallers.</p>
<div class="refsect3">
<a name="g-value-take-variant.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a> of type <a class="link" href="gobject-Type-Information.html#G-TYPE-VARIANT:CAPS" title="G_TYPE_VARIANT"><code class="literal">G_TYPE_VARIANT</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>variant</p></td>
<td class="parameter_description"><p> a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
</div>
<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="G-TYPE-PARAM-BOOLEAN:CAPS"></a><h3>G_TYPE_PARAM_BOOLEAN</h3>
<pre class="programlisting">#define G_TYPE_PARAM_BOOLEAN (g_param_spec_types[2])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoolean" title="struct GParamSpecBoolean"><span class="type">GParamSpecBoolean</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecBoolean"></a><h3>struct GParamSpecBoolean</h3>
<pre class="programlisting">struct GParamSpecBoolean {
GParamSpec parent_instance;
gboolean default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for boolean properties.</p>
<div class="refsect3">
<a name="GParamSpecBoolean.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody><tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GParamSpecBoolean.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-CHAR:CAPS"></a><h3>G_TYPE_PARAM_CHAR</h3>
<pre class="programlisting">#define G_TYPE_PARAM_CHAR (g_param_spec_types[0])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecChar" title="struct GParamSpecChar"><span class="type">GParamSpecChar</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecChar"></a><h3>struct GParamSpecChar</h3>
<pre class="programlisting">struct GParamSpecChar {
GParamSpec parent_instance;
gint8 minimum;
gint8 maximum;
gint8 default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for character properties.</p>
<div class="refsect3">
<a name="GParamSpecChar.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> <em class="structfield"><code><a name="GParamSpecChar.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> <em class="structfield"><code><a name="GParamSpecChar.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> <em class="structfield"><code><a name="GParamSpecChar.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-UCHAR:CAPS"></a><h3>G_TYPE_PARAM_UCHAR</h3>
<pre class="programlisting">#define G_TYPE_PARAM_UCHAR (g_param_spec_types[1])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUChar" title="struct GParamSpecUChar"><span class="type">GParamSpecUChar</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecUChar"></a><h3>struct GParamSpecUChar</h3>
<pre class="programlisting">struct GParamSpecUChar {
GParamSpec parent_instance;
guint8 minimum;
guint8 maximum;
guint8 default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for unsigned character properties.</p>
<div class="refsect3">
<a name="GParamSpecUChar.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GParamSpecUChar.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GParamSpecUChar.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> <em class="structfield"><code><a name="GParamSpecUChar.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-INT:CAPS"></a><h3>G_TYPE_PARAM_INT</h3>
<pre class="programlisting">#define G_TYPE_PARAM_INT (g_param_spec_types[3])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt" title="struct GParamSpecInt"><span class="type">GParamSpecInt</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecInt"></a><h3>struct GParamSpecInt</h3>
<pre class="programlisting">struct GParamSpecInt {
GParamSpec parent_instance;
gint minimum;
gint maximum;
gint default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for integer properties.</p>
<div class="refsect3">
<a name="GParamSpecInt.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GParamSpecInt.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GParamSpecInt.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GParamSpecInt.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-UINT:CAPS"></a><h3>G_TYPE_PARAM_UINT</h3>
<pre class="programlisting">#define G_TYPE_PARAM_UINT (g_param_spec_types[4])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt" title="struct GParamSpecUInt"><span class="type">GParamSpecUInt</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecUInt"></a><h3>struct GParamSpecUInt</h3>
<pre class="programlisting">struct GParamSpecUInt {
GParamSpec parent_instance;
guint minimum;
guint maximum;
guint default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for unsigned integer properties.</p>
<div class="refsect3">
<a name="GParamSpecUInt.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecUInt.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecUInt.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecUInt.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-LONG:CAPS"></a><h3>G_TYPE_PARAM_LONG</h3>
<pre class="programlisting">#define G_TYPE_PARAM_LONG (g_param_spec_types[5])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecLong" title="struct GParamSpecLong"><span class="type">GParamSpecLong</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecLong"></a><h3>struct GParamSpecLong</h3>
<pre class="programlisting">struct GParamSpecLong {
GParamSpec parent_instance;
glong minimum;
glong maximum;
glong default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for long integer properties.</p>
<div class="refsect3">
<a name="GParamSpecLong.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> <em class="structfield"><code><a name="GParamSpecLong.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> <em class="structfield"><code><a name="GParamSpecLong.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#glong"><span class="type">glong</span></a> <em class="structfield"><code><a name="GParamSpecLong.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-ULONG:CAPS"></a><h3>G_TYPE_PARAM_ULONG</h3>
<pre class="programlisting">#define G_TYPE_PARAM_ULONG (g_param_spec_types[6])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecULong" title="struct GParamSpecULong"><span class="type">GParamSpecULong</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecULong"></a><h3>struct GParamSpecULong</h3>
<pre class="programlisting">struct GParamSpecULong {
GParamSpec parent_instance;
gulong minimum;
gulong maximum;
gulong default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for unsigned long integer properties.</p>
<div class="refsect3">
<a name="GParamSpecULong.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> <em class="structfield"><code><a name="GParamSpecULong.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> <em class="structfield"><code><a name="GParamSpecULong.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> <em class="structfield"><code><a name="GParamSpecULong.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-INT64:CAPS"></a><h3>G_TYPE_PARAM_INT64</h3>
<pre class="programlisting">#define G_TYPE_PARAM_INT64 (g_param_spec_types[7])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecInt64" title="struct GParamSpecInt64"><span class="type">GParamSpecInt64</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecInt64"></a><h3>struct GParamSpecInt64</h3>
<pre class="programlisting">struct GParamSpecInt64 {
GParamSpec parent_instance;
gint64 minimum;
gint64 maximum;
gint64 default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for 64bit integer properties.</p>
<div class="refsect3">
<a name="GParamSpecInt64.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> <em class="structfield"><code><a name="GParamSpecInt64.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> <em class="structfield"><code><a name="GParamSpecInt64.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> <em class="structfield"><code><a name="GParamSpecInt64.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-UINT64:CAPS"></a><h3>G_TYPE_PARAM_UINT64</h3>
<pre class="programlisting">#define G_TYPE_PARAM_UINT64 (g_param_spec_types[8])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUInt64" title="struct GParamSpecUInt64"><span class="type">GParamSpecUInt64</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecUInt64"></a><h3>struct GParamSpecUInt64</h3>
<pre class="programlisting">struct GParamSpecUInt64 {
GParamSpec parent_instance;
guint64 minimum;
guint64 maximum;
guint64 default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for unsigned 64bit integer properties.</p>
<div class="refsect3">
<a name="GParamSpecUInt64.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> <em class="structfield"><code><a name="GParamSpecUInt64.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> <em class="structfield"><code><a name="GParamSpecUInt64.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> <em class="structfield"><code><a name="GParamSpecUInt64.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-FLOAT:CAPS"></a><h3>G_TYPE_PARAM_FLOAT</h3>
<pre class="programlisting">#define G_TYPE_PARAM_FLOAT (g_param_spec_types[12])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFloat" title="struct GParamSpecFloat"><span class="type">GParamSpecFloat</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecFloat"></a><h3>struct GParamSpecFloat</h3>
<pre class="programlisting">struct GParamSpecFloat {
GParamSpec parent_instance;
gfloat minimum;
gfloat maximum;
gfloat default_value;
gfloat epsilon;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for float properties.</p>
<div class="refsect3">
<a name="GParamSpecFloat.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> <em class="structfield"><code><a name="GParamSpecFloat.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> <em class="structfield"><code><a name="GParamSpecFloat.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> <em class="structfield"><code><a name="GParamSpecFloat.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> <em class="structfield"><code><a name="GParamSpecFloat.epsilon"></a>epsilon</code></em>;</p></td>
<td class="struct_member_description"><p>values closer than <em class="parameter"><code>epsilon</code></em>
will be considered identical
by <a class="link" href="gobject-GParamSpec.html#g-param-values-cmp" title="g_param_values_cmp ()"><code class="function">g_param_values_cmp()</code></a>; the default value is 1e-30.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-DOUBLE:CAPS"></a><h3>G_TYPE_PARAM_DOUBLE</h3>
<pre class="programlisting">#define G_TYPE_PARAM_DOUBLE (g_param_spec_types[13])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecDouble" title="struct GParamSpecDouble"><span class="type">GParamSpecDouble</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecDouble"></a><h3>struct GParamSpecDouble</h3>
<pre class="programlisting">struct GParamSpecDouble {
GParamSpec parent_instance;
gdouble minimum;
gdouble maximum;
gdouble default_value;
gdouble epsilon;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for double properties.</p>
<div class="refsect3">
<a name="GParamSpecDouble.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GParamSpecDouble.minimum"></a>minimum</code></em>;</p></td>
<td class="struct_member_description"><p>minimum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GParamSpecDouble.maximum"></a>maximum</code></em>;</p></td>
<td class="struct_member_description"><p>maximum value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GParamSpecDouble.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="GParamSpecDouble.epsilon"></a>epsilon</code></em>;</p></td>
<td class="struct_member_description"><p>values closer than <em class="parameter"><code>epsilon</code></em>
will be considered identical
by <a class="link" href="gobject-GParamSpec.html#g-param-values-cmp" title="g_param_values_cmp ()"><code class="function">g_param_values_cmp()</code></a>; the default value is 1e-90.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-ENUM:CAPS"></a><h3>G_TYPE_PARAM_ENUM</h3>
<pre class="programlisting">#define G_TYPE_PARAM_ENUM (g_param_spec_types[10])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecEnum" title="struct GParamSpecEnum"><span class="type">GParamSpecEnum</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecEnum"></a><h3>struct GParamSpecEnum</h3>
<pre class="programlisting">struct GParamSpecEnum {
GParamSpec parent_instance;
GEnumClass *enum_class;
gint default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for enum
properties.</p>
<div class="refsect3">
<a name="GParamSpecEnum.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a class="link" href="gobject-Enumeration-and-Flag-Types.html#GEnumClass" title="struct GEnumClass"><span class="type">GEnumClass</span></a> *<em class="structfield"><code><a name="GParamSpecEnum.enum-class"></a>enum_class</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gobject-Enumeration-and-Flag-Types.html#GEnumClass" title="struct GEnumClass"><span class="type">GEnumClass</span></a> for the enum</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GParamSpecEnum.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-FLAGS:CAPS"></a><h3>G_TYPE_PARAM_FLAGS</h3>
<pre class="programlisting">#define G_TYPE_PARAM_FLAGS (g_param_spec_types[11])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecFlags" title="struct GParamSpecFlags"><span class="type">GParamSpecFlags</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecFlags"></a><h3>struct GParamSpecFlags</h3>
<pre class="programlisting">struct GParamSpecFlags {
GParamSpec parent_instance;
GFlagsClass *flags_class;
guint default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for flags
properties.</p>
<div class="refsect3">
<a name="GParamSpecFlags.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a class="link" href="gobject-Enumeration-and-Flag-Types.html#GFlagsClass" title="struct GFlagsClass"><span class="type">GFlagsClass</span></a> *<em class="structfield"><code><a name="GParamSpecFlags.flags-class"></a>flags_class</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gobject-Enumeration-and-Flag-Types.html#GFlagsClass" title="struct GFlagsClass"><span class="type">GFlagsClass</span></a> for the flags</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecFlags.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-STRING:CAPS"></a><h3>G_TYPE_PARAM_STRING</h3>
<pre class="programlisting">#define G_TYPE_PARAM_STRING (g_param_spec_types[14])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecString" title="struct GParamSpecString"><span class="type">GParamSpecString</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecString"></a><h3>struct GParamSpecString</h3>
<pre class="programlisting">struct GParamSpecString {
GParamSpec parent_instance;
gchar *default_value;
gchar *cset_first;
gchar *cset_nth;
gchar substitutor;
guint null_fold_if_empty : 1;
guint ensure_non_null : 1;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for string
properties.</p>
<div class="refsect3">
<a name="GParamSpecString.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GParamSpecString.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GParamSpecString.cset-first"></a>cset_first</code></em>;</p></td>
<td class="struct_member_description"><p>a string containing the allowed values for the first byte</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GParamSpecString.cset-nth"></a>cset_nth</code></em>;</p></td>
<td class="struct_member_description"><p>a string containing the allowed values for the subsequent bytes</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> <em class="structfield"><code><a name="GParamSpecString.substitutor"></a>substitutor</code></em>;</p></td>
<td class="struct_member_description"><p>the replacement byte for bytes which don't match <em class="parameter"><code>cset_first</code></em>
or <em class="parameter"><code>cset_nth</code></em>
.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecString.null-fold-if-empty"></a>null_fold_if_empty</code></em> : 1;</p></td>
<td class="struct_member_description"><p>replace empty string by <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecString.ensure-non-null"></a>ensure_non_null</code></em> : 1;</p></td>
<td class="struct_member_description"><p>replace <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> strings by an empty string</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gchararray"></a><h3>gchararray</h3>
<pre class="programlisting">typedef gchar* gchararray;
</pre>
<p>A C representable type name for <a class="link" href="gobject-Type-Information.html#G-TYPE-STRING:CAPS" title="G_TYPE_STRING"><span class="type">G_TYPE_STRING</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-PARAM:CAPS"></a><h3>G_TYPE_PARAM_PARAM</h3>
<pre class="programlisting">#define G_TYPE_PARAM_PARAM (g_param_spec_types[15])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecParam" title="struct GParamSpecParam"><span class="type">GParamSpecParam</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecParam"></a><h3>struct GParamSpecParam</h3>
<pre class="programlisting">struct GParamSpecParam {
GParamSpec parent_instance;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for <a class="link" href="gobject-Type-Information.html#G-TYPE-PARAM:CAPS" title="G_TYPE_PARAM"><code class="literal">G_TYPE_PARAM</code></a>
properties.</p>
<div class="refsect3">
<a name="GParamSpecParam.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-BOXED:CAPS"></a><h3>G_TYPE_PARAM_BOXED</h3>
<pre class="programlisting">#define G_TYPE_PARAM_BOXED (g_param_spec_types[16])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecBoxed" title="struct GParamSpecBoxed"><span class="type">GParamSpecBoxed</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecBoxed"></a><h3>struct GParamSpecBoxed</h3>
<pre class="programlisting">struct GParamSpecBoxed {
GParamSpec parent_instance;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for boxed properties.</p>
<div class="refsect3">
<a name="GParamSpecBoxed.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-POINTER:CAPS"></a><h3>G_TYPE_PARAM_POINTER</h3>
<pre class="programlisting">#define G_TYPE_PARAM_POINTER (g_param_spec_types[17])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecPointer" title="struct GParamSpecPointer"><span class="type">GParamSpecPointer</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecPointer"></a><h3>struct GParamSpecPointer</h3>
<pre class="programlisting">struct GParamSpecPointer {
GParamSpec parent_instance;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for pointer properties.</p>
<div class="refsect3">
<a name="GParamSpecPointer.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-OBJECT:CAPS"></a><h3>G_TYPE_PARAM_OBJECT</h3>
<pre class="programlisting">#define G_TYPE_PARAM_OBJECT (g_param_spec_types[19])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecObject" title="struct GParamSpecObject"><span class="type">GParamSpecObject</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecObject"></a><h3>struct GParamSpecObject</h3>
<pre class="programlisting">struct GParamSpecObject {
GParamSpec parent_instance;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for object properties.</p>
<div class="refsect3">
<a name="GParamSpecObject.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-UNICHAR:CAPS"></a><h3>G_TYPE_PARAM_UNICHAR</h3>
<pre class="programlisting">#define G_TYPE_PARAM_UNICHAR (g_param_spec_types[9])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecUnichar" title="struct GParamSpecUnichar"><span class="type">GParamSpecUnichar</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecUnichar"></a><h3>struct GParamSpecUnichar</h3>
<pre class="programlisting">struct GParamSpecUnichar {
GParamSpec parent_instance;
gunichar default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for unichar (unsigned integer) properties.</p>
<div class="refsect3">
<a name="GParamSpecUnichar.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody><tr>
<td class="struct_member_name"><p><a href="../glib-Unicode-Manipulation.html#gunichar"><span class="type">gunichar</span></a> <em class="structfield"><code><a name="GParamSpecUnichar.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>default value for the property specified</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-VALUE-ARRAY:CAPS"></a><h3>G_TYPE_PARAM_VALUE_ARRAY</h3>
<pre class="programlisting">#define G_TYPE_PARAM_VALUE_ARRAY (g_param_spec_types[18])
</pre>
<div class="warning">
<p><code class="literal">G_TYPE_PARAM_VALUE_ARRAY</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="../glib-Arrays.html#GArray"><span class="type">GArray</span></a> instead of <a class="link" href="gobject-Value-arrays.html#GValueArray" title="struct GValueArray"><span class="type">GValueArray</span></a></p>
</div>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecValueArray" title="struct GParamSpecValueArray"><span class="type">GParamSpecValueArray</span></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecValueArray"></a><h3>struct GParamSpecValueArray</h3>
<pre class="programlisting">struct GParamSpecValueArray {
GParamSpec parent_instance;
GParamSpec *element_spec;
guint fixed_n_elements;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for <a class="link" href="gobject-Value-arrays.html#GValueArray" title="struct GValueArray"><span class="type">GValueArray</span></a> properties.</p>
<div class="refsect3">
<a name="GParamSpecValueArray.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> *<em class="structfield"><code><a name="GParamSpecValueArray.element-spec"></a>element_spec</code></em>;</p></td>
<td class="struct_member_description"><p>a <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> describing the elements contained in arrays of this property, may be <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GParamSpecValueArray.fixed-n-elements"></a>fixed_n_elements</code></em>;</p></td>
<td class="struct_member_description"><p>if greater than 0, arrays of this property will always have this many elements</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-OVERRIDE:CAPS"></a><h3>G_TYPE_PARAM_OVERRIDE</h3>
<pre class="programlisting">#define G_TYPE_PARAM_OVERRIDE (g_param_spec_types[20])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecOverride" title="struct GParamSpecOverride"><span class="type">GParamSpecOverride</span></a>.</p>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecOverride"></a><h3>struct GParamSpecOverride</h3>
<pre class="programlisting">struct GParamSpecOverride {
};
</pre>
<p>This is a type of <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> type that simply redirects operations to
another paramspec. All operations other than getting or
setting the value are redirected, including accessing the nick and
blurb, validating a value, and so forth. See
<a class="link" href="gobject-GParamSpec.html#g-param-spec-get-redirect-target" title="g_param_spec_get_redirect_target ()"><code class="function">g_param_spec_get_redirect_target()</code></a> for retrieving the overidden
property. <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecOverride" title="struct GParamSpecOverride"><span class="type">GParamSpecOverride</span></a> is used in implementing
<a class="link" href="gobject-The-Base-Object-Type.html#g-object-class-override-property" title="g_object_class_override_property ()"><code class="function">g_object_class_override_property()</code></a>, and will not be directly useful
unless you are implementing a new base type similar to GObject.</p>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-GTYPE:CAPS"></a><h3>G_TYPE_PARAM_GTYPE</h3>
<pre class="programlisting">#define G_TYPE_PARAM_GTYPE (g_param_spec_types[21])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecGType" title="struct GParamSpecGType"><span class="type">GParamSpecGType</span></a>.</p>
<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecGType"></a><h3>struct GParamSpecGType</h3>
<pre class="programlisting">struct GParamSpecGType {
GParamSpec parent_instance;
GType is_a_type;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> properties.</p>
<div class="refsect3">
<a name="GParamSpecGType.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody><tr>
<td class="struct_member_name"><p><a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> <em class="structfield"><code><a name="GParamSpecGType.is-a-type"></a>is_a_type</code></em>;</p></td>
<td class="struct_member_description"><p>a <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> whose subtypes can occur as values</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-10.html#api-index-2.10">2.10</a></p>
</div>
<hr>
<div class="refsect2">
<a name="G-TYPE-PARAM-VARIANT:CAPS"></a><h3>G_TYPE_PARAM_VARIANT</h3>
<pre class="programlisting">#define G_TYPE_PARAM_VARIANT (g_param_spec_types[22])
</pre>
<p>The <a class="link" href="gobject-Type-Information.html#GType" title="GType"><span class="type">GType</span></a> of <a class="link" href="gobject-Standard-Parameter-and-Value-Types.html#GParamSpecVariant" title="struct GParamSpecVariant"><span class="type">GParamSpecVariant</span></a>.</p>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GParamSpecVariant"></a><h3>struct GParamSpecVariant</h3>
<pre class="programlisting">struct GParamSpecVariant {
GParamSpec parent_instance;
GVariantType *type;
GVariant *default_value;
};
</pre>
<p>A <a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a> derived structure that contains the meta data for <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> properties.</p>
<div class="refsect3">
<a name="GParamSpecVariant.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="../glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a> *<em class="structfield"><code><a name="GParamSpecVariant.type"></a>type</code></em>;</p></td>
<td class="struct_member_description"><p>a <a href="../glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a>, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *<em class="structfield"><code><a name="GParamSpecVariant.default-value"></a>default_value</code></em>;</p></td>
<td class="struct_member_description"><p>a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-26.html#api-index-2.26">2.26</a></p>
</div>
</div>
<div class="refsect1">
<a name="gobject-Standard-Parameter-and-Value-Types.see-also"></a><h2>See Also</h2>
<p><a class="link" href="gobject-GParamSpec.html#GParamSpec" title="struct GParamSpec"><span class="type">GParamSpec</span></a>, <a class="link" href="gobject-Generic-values.html#GValue" title="GValue"><span class="type">GValue</span></a>, <a class="link" href="gobject-The-Base-Object-Type.html#g-object-class-install-property" title="g_object_class_install_property ()"><code class="function">g_object_class_install_property()</code></a>.</p>
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