ncurses-5.7/doc/html/man/mitem_value.3x.html

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<H1>mitem_value 3x</H1>
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<STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>                                         <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>




</PRE>
<H2>NAME</H2><PRE>
       <STRONG>mitem_value</STRONG> - set and get menu item values


</PRE>
<H2>SYNOPSIS</H2><PRE>
       <STRONG>#include</STRONG> <STRONG>&lt;menu.h&gt;</STRONG>
       int set_item_value(ITEM *item, bool value);
       bool item_value(const ITEM *item);


</PRE>
<H2>DESCRIPTION</H2><PRE>
       If  you  turn  off  the menu option <STRONG>O_ONEVALUE</STRONG> (e.g., with
       <STRONG>set_menu_opts</STRONG> or <STRONG>menu_opts_off</STRONG>;  see  <STRONG><A HREF="menu_opts.3x.html">menu_opts(3x)</A></STRONG>),  the
       menu becomes multi-valued; that is, more than one item may
       simultaneously be selected.

       In a multi_valued menu, you  can  used  <STRONG>set_item_value</STRONG>  to
       select the given menu item (second argument <STRONG>TRUE</STRONG>) or dese-
       lect it (second argument <STRONG>FALSE</STRONG>).


</PRE>
<H2>RETURN VALUE</H2><PRE>
       The function <STRONG>set_item_value</STRONG> returns one of the following:

       <STRONG>E_OK</STRONG> The routine succeeded.

       <STRONG>E_SYSTEM_ERROR</STRONG>
            System error occurred (see <STRONG>errno</STRONG>).

       <STRONG>E_REQUEST_DENIED</STRONG>
            The menu driver could not process the request.


</PRE>
<H2>SEE ALSO</H2><PRE>
       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>.


</PRE>
<H2>NOTES</H2><PRE>
       The header file <STRONG>&lt;menu.h&gt;</STRONG> automatically includes the header
       file <STRONG>&lt;curses.h&gt;</STRONG>.


</PRE>
<H2>PORTABILITY</H2><PRE>
       These  routines  emulate  the System V menu library.  They
       were not supported on Version 7 or BSD versions.


</PRE>
<H2>AUTHORS</H2><PRE>
       Juergen Pfeifer.  Manual  pages  and  adaptation  for  new
       curses by Eric S. Raymond.



                                                        <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
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