private void CopyNode(bool clone)
        {
            RadTreeNode selectedNode = this.treeView.SelectedNode;

            if (selectedNode == null)
            {
                return;
            }
            this.copyRef = new WeakReference(clone ? selectedNode.Clone() : (object)selectedNode);
            DataObject dataObject = new DataObject();

            dataObject.SetData("RadTreeViewTreeNode", (object)selectedNode.GetHashCode());
            dataObject.SetText(selectedNode.Text);
            Clipboard.SetDataObject((object)dataObject);
        }