public override void RefreshElement(SVGRectElement element)
{
base.RefreshElement(element);
var el = Externals.Untype <Bridge.Html5.HTMLElement>(element);
el.SetAttributeNS(null, "x", $"{StartX}px");
el.SetAttributeNS(null, "y", $"{StartY}px");
el.SetAttributeNS(null, "width", $"{Width}px");
el.SetAttributeNS(null, "height", $"{Height}px");
}