MenuItem.newSubmenu
gio.menu_item.MenuItem newSubmenu(string label, gio.menu_model.MenuModel submenu)Creates a new #GMenuItem representing a submenu.
This is a convenience API around gio.menu_item.MenuItem.new_ and gio.menu_item.MenuItem.setSubmenu.
Parameters
label | the section label, or null |
submenu | a #GMenuModel with the items of the submenu |
Returns
a new #GMenuItem