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30 .\" $Id: mitem_value.3x,v 1.32 2024/03/16 15:35:01 tom Exp $
31 .TH mitem_value 3X 2024-03-16 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
35 set and get menu item values
40 \fBint set_item_value(ITEM *\fIitem\fP, bool \fIvalue\fP);
41 \fBbool item_value(const ITEM *\fIitem\fP);
44 If you turn off the menu option \fBO_ONEVALUE\fP (e.g., with
45 \fBset_menu_opts\fP or \fBmenu_opts_off\fP; see \fBmenu_opts\fP(3X)), the menu
46 becomes multi-valued; that is, more than one item may simultaneously be
49 In a multi_valued menu, you can used \fBset_item_value\fP to select the
50 given menu item (second argument \fBTRUE\fP) or deselect it (second argument
53 The function \fBset_item_value\fP returns one of the following:
56 The routine succeeded.
59 System error occurred (see \fBerrno\fP(3)).
62 The menu driver could not process the request.
64 These routines emulate the System V menu library.
65 They were not supported on
66 Version 7 or BSD versions.
69 Manual pages and adaptation for new curses by Eric S. Raymond.