public ClassLookup()
{
_classes = new Dictionary <string, string>();
XmlElement xmlClasses = QueryClass.GetClassList().GetContent().BaseElement;
foreach (XmlElement each in xmlClasses.SelectNodes("Class"))
{
string className = each.SelectSingleNode("ClassName").InnerText;
string classId = each.GetAttribute("ID");
_classes.Add(className, classId);
}
}