gtk-menu-item-submenu (object)

object -- a gtk-menu-item widget
submenu -- a gtk-menu submenu, or nil

Accessor of the submenu slot of the gtk-menu-item class.

The gtk-menu-item-submenu slot access function gets the submenu underneath this menu item, if any. The (setf gtk-menu-item-submenu) slot access function sets or replaces the submenu of the menu item, or removes it when a nil submenu is passed.