Raccoom.Windows.Forms.TreeNodePath.AddDummyNode C# (CSharp) Method

        public virtual void AddDummyNode()
        {
            Nodes.Add(new TreeNodePath("@@Dummy@@", false));
        }

        public override void RequestRootNode()
        {
            // do not call base class here
            // base.RequestRootNode();

            AttachSystemImageList(Helper);
            // setup up root node collection
            switch (RootFolder)
            {
            case Raccoom.Win32.ShellAPI.CSIDL.DESKTOP:
                // create root node <Desktop>
                TreeNodePath desktopNode = CreateTreeNode(Helper.TreeView.Nodes, null, _shell.DesktopItem);
                _rootCollection = desktopNode.Nodes;
                // enable shell objects always to fill desktop level
                bool settingBackup = _showAllShellObjects;
                _showAllShellObjects = true;
                // set setting back to original value
                _showAllShellObjects = settingBackup;
                break;

            case  Raccoom.Win32.ShellAPI.CSIDL.DRIVES:
                this.FillMyComputer(_shell.MyComputerItem, Helper.TreeView.Nodes, Helper);
                break;

            default:
                //
                TreeNodePath rootNode = CreateTreeNode(Helper.TreeView.Nodes, null, _shell.GetSpecialFolderShellItem(RootFolder));
                if (!rootNode.HasDummyNode)
                {
                    rootNode.AddDummyNode();
                }
                _rootCollection = rootNode.Nodes;
                break;
            }
        }