hMailServer.Administrator.formMain.RefreshParentNode C# (CSharp) Метод

        public void RefreshParentNode()
        {
            TreeNode currentNode = treeNodes.SelectedNode;
            TreeNode parentNode = currentNode.Parent;

            parentNode.Nodes.Clear();
            LoadNodeChildren(parentNode, 2);

            parentNode.Expand();
            currentlySelectedNode = parentNode;

            INode node = (INode)currentlySelectedNode.Tag;
            ShowNodeRepresentation(node);
        }