code: func (v *Application) GetMenuByID(id string) *glib.Menu {
  	cstr1 := (*C.gchar)(C.CString(id))
  	defer C.free(unsafe.Pointer(cstr1))
  
  	c := C.gtk_application_get_menu_by_id(v.native(), cstr1)
  	if c == nil {
  		return nil
  	}
  	return &glib.Menu{glib.MenuModel{glib.Take(unsafe.Pointer(c))}}
  }
docs: // GetMenuByID is a wrapper around gtk_application_get_menu_by_id().