Convenience function for appending a submenu menu item to the end of menu. Combine gio.menu_item.MenuItem.newSubmenu and gio.menu.Menu.insertItem for a more flexible alternative.
the section label, or null
a #GMenuModel with the items of the submenu
Convenience function for appending a submenu menu item to the end of menu. Combine gio.menu_item.MenuItem.newSubmenu and gio.menu.Menu.insertItem for a more flexible alternative.