public override void SetParent(PersistentTreeBase <T> parent)
{
base.SetParent(parent);
foreach (var child in Elements)
{
child.SetParent(this);
}
}
/// <summary> Sets the parent of this persistent tree node. Throws if it is already set. Specify null to indicate this is the root. </summary>
public virtual void SetParent(PersistentTreeBase <T> parent)
{
Contract.Requires(this.parent == null);
this.parent = parent ?? noParent;
}