private void CopyNode(TmNode destinationNode, TmNode oldNode)
{
//TmNode newNode = oldNode.Clone() as TmNode;
TmNode newNode = oldNode.DeepCopy();
Debug.Assert(newNode != null, "Could not clone node from clipboard");
if (newNode != null)
{
if (destinationNode == null)
Add(newNode);
else
destinationNode.Add(newNode);
}
}
