private void MoveNode(TmNode destinationNode, TmNode oldNode)
{
if (oldNode != destinationNode)
{
if (oldNode.Parent == null)
{
RootNodes.Remove(oldNode);
var node = Nodes.Cast<TmTreeNode>().First(n => n.TmNode == oldNode);
Nodes.Remove(node);
}
else
oldNode.Delete();
if (destinationNode == null)
Add(oldNode);
else
destinationNode.Add(oldNode);
}
}
