gtk/box_since_3_12.go
func (a *Box) GetCenterWidget() *Widget {
	w := C.gtk_box_get_center_widget(a.native())
	if w == nil {
		return nil
	}
	return &Widget{glib.InitiallyUnowned{glib.Take(unsafe.Pointer(w))}}
}
func (a *Box) GetCenterWidget() *Widget {
	w := C.gtk_box_get_center_widget(a.native())
	if w == nil {
		return nil
	}
	return &Widget{glib.InitiallyUnowned{glib.Take(unsafe.Pointer(w))}}
}
//gtk_box_bar_get_center_widget(GtkBox *box)