public void UpdatePropertiesInHierachy()
{
PersistentObjectBaseWithNameHierarchical<T> r = GetRoot(this);
DuringUpdatePropertiesInHierachy();
}
public void AddChild(PersistentObjectBaseWithNameHierarchical<T> child)
{
if (ChildList.Count() != 0)
child.OrderPosition = ChildList.Max(e => e.OrderPosition) + 1;
ChildList.Add(child);
}
