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

        private void TreeOnSelectedNodeChanged(object sender, EventArgs eventArgs)
        {
            var tree = sender as TreeView;
            if (tree == null) return;

            _panel.Visible = false;
            _button.Text = tree.SelectedNode.Text;
            _button.CommandArgument = tree.SelectedNode.Value;

            OnItemSelected(new CommandEventArgs("ItemSelected", tree.SelectedValue));
        }