glib/menu.go
func (m *MenuItem) native() *C.GMenuItem {
	if m == nil || m.GObject == nil {
		return nil
	}
	p := unsafe.Pointer(m.GObject)
	return C.toGMenuItem(p)
}
func (m *MenuItem) native() *C.GMenuItem {
	if m == nil || m.GObject == nil {
		return nil
	}
	p := unsafe.Pointer(m.GObject)
	return C.toGMenuItem(p)
}
// native() returns a pointer to the underlying GMenuItem.