Arguments

groupName  string, specifies the menu group name to be verified

Return

T if the specified menu group is available (indicating that the source menu file is loaded); NIL if no such menu group exists

Example

see Remarks

Remarks

can be used to load a custom (partial) menu file if not yet loaded :

(if (not (menugroup "MyPopupMenu")) (command "_menuload" "MyPopupMenu.cui"))

note : _menuload command supports loading of mnu mns cui cuix menu files, necessary conversions are automatically done