Topic       : The GFA-Basic Compendium
Author      : GFA Systemtechnik GmbH
Version     : GFABasic.HYP v2.98 (12/31/2023)
Subject     : Documentation/Programming
Nodes       : 899
Index Size  : 28056
HCP-Version : 3
Compiled on : Atari
@charset    : atarist
@lang       : 
@default    : Document not found
@help       : Help
@options    : +g -i -s +z
@width      : 75
@hostname   : STRNGSRV
@hostname   : CAB     
@hostname   : HIGHWIRE
@hostname   : THING   
View Ref-FileMENU_ICHECK(tree,item,flag)

tree, item, flag: iexp

Adds or reomves a checkmark in front of a menu item (which should have at least
2 spaces reserved for it.)

Returns 0 if an error occured.

    tree - Address of the menu object tree.
    item - Object number of the menu item.
    flag - 0: Delete checkmark
           1: Add checkmark -> ✓

menu_icheck()+