(menugroup name)

Determine whether a menu group is loaded.

This function checks to see if a menu group is loaded. The name argument specifies the name of the menu group. When name matches the name of a loaded menu group, the menugroup function returns the group's name; otherwise, it returns nil.

Example

(menugroup "MyMenuGroup")

Returns mil if the specified menu group is not loaded and returns the string “MyMenuGroup” if the menu is loaded. The menu group is similar to a namespace and is designated in the menu file with the following specification:

***MENUGROUP= MyMenuGroup

By adding a menugroup specification in your menu file, you can then use the (menugroup) function to determine if your menu is loaded or unloaded.

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(atoms-family format [symbol1 symbol2 ...])

(command cmd [arguments] ...)

(menucmd string)

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language