internal override void ParseXml(XmlElement xml)
{
base.ParseXml(xml);
foreach (XmlNode child in xml.ChildNodes)
{
string name = child.Name;
if (string.Compare(name, "NominalValue") == 0)
mNominalValue = extractValue(child.FirstChild);
else if (string.Compare(name, "Unit") == 0)
Unit = mDatabase.ParseXml<IfcUnit>(child as XmlElement);
}
}