public void BeginComplexType(string name, Type type, Type realtype, Guid guid)
{
var element = _doc.CreateElement();
_cur.Append(element);
element.context.name = name;
element.context.type = Framework.Assembly.GetTypeName(type);
element.context.realType = Framework.Assembly.GetTypeName(realtype);
element.context.valueType = NodeValueType.ComplexType;
element.context.guid = guid;
_cur = element;
}