or null if no application menu has been set.
Application.getAppMenu
gio.menu_model.MenuModel getAppMenu()Returns the menu model that has been set with [gtk.application.Application.setAppMenu].
Returns
the application menu of application
gio.menu_model.MenuModel getAppMenu()Returns the menu model that has been set with [gtk.application.Application.setAppMenu].
or null if no application menu has been set.