internal override void SetXML(XmlElement xml, BaseClassIfc host, HashSet<int> processed)
{
base.SetXML(xml, host, processed);
if (!double.IsNaN(mElevationOfRefHeight))
xml.SetAttribute("ElevationOfRefHeight", mElevationOfRefHeight.ToString());
if (!double.IsNaN(mElevationOfTerrain))
xml.SetAttribute("ElevationOfTerrain", mElevationOfTerrain.ToString());
if (mBuildingAddress > 0)
xml.AppendChild(BuildingAddress.GetXML(xml.OwnerDocument, "BuildingAddress", this, processed));
}