An NSNumber object specifying the tag id of the popup menu item to replace with the content of the array. This allows you to use a popup menu that contains both static and bindings generated items.
Available in Mac OS X v10.5 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)