void AVisDrawing::OnUpdated_H(int aData) { Allocation alc = iWidget->get_allocation(); Container* parent = iWidget->get_parent(); VisDrwArea* drw = GetDrawing(); drw->set_size_request(iW, iH); drw->queue_draw_area(alc.get_x(), alc.get_y(), iW, iH); }