internal override void ParseXml(XmlElement xml)
{
base.ParseXml(xml);
if (xml.HasAttribute("Operator"))
Enum.TryParse<IfcBooleanOperator>(xml.Attributes["Operator"].Value, true, out mOperator);
foreach (XmlNode child in xml.ChildNodes)
{
string name = child.Name;
if (string.Compare(name, "FirstOperand") == 0)
FirstOperand = mDatabase.ParseXml<IfcBooleanOperand>(child as XmlElement);
else if (string.Compare(name, "SecondOperand") == 0)
SecondOperand = mDatabase.ParseXml<IfcBooleanOperand>(child as XmlElement);
}
}