gtk/gtk.go
func (v *MenuBar) native() *C.GtkMenuBar {
	if v == nil || v.GObject == nil {
		return nil
	}
	p := unsafe.Pointer(v.GObject)
	return C.toGtkMenuBar(p)
}
func (v *MenuBar) native() *C.GtkMenuBar {
	if v == nil || v.GObject == nil {
		return nil
	}
	p := unsafe.Pointer(v.GObject)
	return C.toGtkMenuBar(p)
}
// native() returns a pointer to the underlying GtkMenuBar.