public override void initValuesFromXMLNode(XmlNode _nodeItem, XmlNamespaceManager _manager)
{
base.initValuesFromXMLNode(_nodeItem, _manager);
String childCount = xmlDocumentHelper.getNodeAttributeValue(_nodeItem, "childCount", _manager);
if (!String.IsNullOrEmpty(childCount))
this.trackCount = Convert.ToUInt16(childCount);
}