DisableItem
To dim a menu or a menu item; make unselectable, use the DisableItem method.
DisableItem theMenu as MenuHandle, whichItem
theMenu Handle of a menu to affect.
whichItem item ID of item to disable; 0 = entire menu.
Description:
DisableItem dims a menu title or an induvidual item in a menu. Use this to dim an item or a menu title.
Supported platforms:
* MacOS PPC
* MacOS Carbon
* MacOS 68k
Unsupported platforms:
* Windows x86