Adf.Web.UI.DropDownTreeView.OnInit C# (CSharp) 메소드

        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);

            var cssclass = String.Format("{0}", CssClass);

            _button = new LinkButton {Enabled = true, CssClass = string.Format("{0}{1}", cssclass, "Button"), Width = Width };
            _tree = new TreeView { Visible = true, Enabled = true, CssClass = cssclass, ShowLines = true, Width = Width, NodeWrap = true };
            _panel = new Panel { Visible = false, CssClass = string.Format("{0}{1}", cssclass, "Panel"), Width = Width };

            _tree.SelectedNodeChanged += TreeOnSelectedNodeChanged;
            _tree.SelectedNodeStyle.CssClass = string.Format("{0}{1}", cssclass, "SelectedNode");
            _tree.NodeStyle.CssClass = string.Format("{0}{1}", cssclass, "Node");

            _button.Click += ButtonOnClick;

            _panel.Controls.Add(_tree);

            Controls.Add(_button);
            Controls.Add(_panel);

            Visible = Enabled = AutoImage = true;
        }