void FromXmlElement( System.Xml.XmlElement elm );
  Property Description  
    Method Name FromXMLElement  
    Argument - elm An XML Element whose data is to be loaded into this object  
    Description Reads XML from a XmlElement into the current object  
    Remarks This method will only load XML that complies with the XSD schema.
It will raise an exception if the XML is invalid.
Any state within the object will be overwritten