FluentTest.TestWindow.OnTreeDoubleClick C# (CSharp) Method

        private void OnTreeDoubleClick(object sender, MouseButtonEventArgs e)
        {
            var treeView = sender as TreeView;

            if (treeView == null)
            {
                return;
            }

            var item = treeView.SelectedItem as TreeViewItem;
            if (item == null)
            {
                return;
            }

            var stringBuilder = new StringBuilder();
            this.BuildBackLogicalTree(item.Tag as DependencyObject, stringBuilder);

            MessageBox.Show(string.Format("From buttom to top:\n{0}", stringBuilder));
        }