TreeNode trNode = null;
            
            if(e.Data.GetDataPresent("System.Windows.Forms.TreeNode", false))
            {
                Point objPoint = ((TreeView)sender).PointToClient(new Point(e.X, e.Y));
                TreeNode trNodeDestination = ((TreeView)sender).GetNodeAt(objPoint);
                //If no node from the destination tree view is selected then add the selected node to the 
                //last node of the destination tree view.
                if (trNodeDestination == null)
                {
                    trNodeDestination = ((TreeView)sender).Nodes[((TreeView)sender).Nodes.Count - 1].LastNode;
                }
                trNode = (TreeNode)e.Data.GetData("System.Windows.Forms.TreeNode");
                if (trNodeDestination.TreeView != trNode.TreeView)
                {
                    trNodeDestination.Nodes.Add((TreeNode)trNode.Clone());
                    trNodeDestination.Expand();
                    //Remove Original Node
                    trNode.Remove();
                }
            }