gtk/application_window.go
func (v *ApplicationWindow) native() *C.GtkApplicationWindow {
	if v == nil || v.Window.GObject == nil { // v.Window is necessary because v.GObject would be ambiguous
		return nil
	}
	p := unsafe.Pointer(v.Window.GObject)
	return C.toGtkApplicationWindow(p)
}
func (v *ApplicationWindow) native() *C.GtkApplicationWindow {
	if v == nil || v.Window.GObject == nil { // v.Window is necessary because v.GObject would be ambiguous
		return nil
	}
	p := unsafe.Pointer(v.Window.GObject)
	return C.toGtkApplicationWindow(p)
}
// native returns a pointer to the underlying GtkApplicationWindow.