release/src/router/libncurses/doc/html/man/mitem_value.3x.html

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  30   * @Id: mitem_value.3x,v 1.10 2010/12/04 18:40:45 tom Exp @
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  39 <H1>mitem_value 3x</H1>
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  41 <PRE>
  42 <!-- Manpage converted by man2html 3.0.1 -->
  43 <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>                                         <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
  44
  45
  46
  47
  48 </PRE>
  49 <H2>NAME</H2><PRE>
  50        <STRONG>mitem_value</STRONG> - set and get menu item values
  51
  52
  53 </PRE>
  54 <H2>SYNOPSIS</H2><PRE>
  55        <STRONG>#include</STRONG> <STRONG>&lt;menu.h&gt;</STRONG>
  56        int set_item_value(ITEM *item, bool value);
  57        bool item_value(const ITEM *item);
  58
  59
  60 </PRE>
  61 <H2>DESCRIPTION</H2><PRE>
  62        If  you  turn  off  the menu option <STRONG>O_ONEVALUE</STRONG> (e.g., with
  63        <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
  64        menu becomes multi-valued; that is, more than one item may
  65        simultaneously be selected.
  66
  67        In a multi_valued menu, you  can  used  <STRONG>set_item_value</STRONG>  to
  68        select the given menu item (second argument <STRONG>TRUE</STRONG>) or dese-
  69        lect it (second argument <STRONG>FALSE</STRONG>).
  70
  71
  72 </PRE>
  73 <H2>RETURN VALUE</H2><PRE>
  74        The function <STRONG>set_item_value</STRONG> returns one of the following:
  75
  76        <STRONG>E_OK</STRONG> The routine succeeded.
  77
  78        <STRONG>E_SYSTEM_ERROR</STRONG>
  79             System error occurred (see <STRONG>errno</STRONG>).
  80
  81        <STRONG>E_REQUEST_DENIED</STRONG>
  82             The menu driver could not process the request.
  83
  84
  85 </PRE>
  86 <H2>SEE ALSO</H2><PRE>
  87        <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>.
  88
  89
  90 </PRE>
  91 <H2>NOTES</H2><PRE>
  92        The header file <STRONG>&lt;menu.h&gt;</STRONG> automatically includes the header
  93        file <STRONG>&lt;curses.h&gt;</STRONG>.
  94
  95
  96 </PRE>
  97 <H2>PORTABILITY</H2><PRE>
  98        These  routines  emulate  the System V menu library.  They
  99        were not supported on Version 7 or BSD versions.
 100
 101
 102 </PRE>
 103 <H2>AUTHORS</H2><PRE>
 104        Juergen Pfeifer.  Manual  pages  and  adaptation  for  new
 105        curses by Eric S. Raymond.
 106
 107
 108
 109                                                         <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
 110 </PRE>
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