hMailServer.Administrator.formMain.treeNodes_AfterSelect C# (CSharp) Method

        private void treeNodes_AfterSelect(object sender, TreeViewEventArgs e)
        {
            using (new WaitCursor())
            {
                if (e.Action == TreeViewAction.ByKeyboard || e.Action == TreeViewAction.ByMouse)
                {
                    // Check if the clicked node is the one which is already selected. If so,
                    // just skip this...
                    TreeNode treeNode = e.Node;

                    if (!SelectedNodeChange(treeNode))
                        return;

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