internal override void SetXML(XmlElement xml, BaseClassIfc host, HashSet<int> processed)
{
base.SetXML(xml, host, processed);
xml.AppendChild(Pnt.GetXML(xml.OwnerDocument, "Pnt", this, processed));
xml.AppendChild(Dir.GetXML(xml.OwnerDocument, "Dir", this, processed));
}