private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
SharePointService sharePointService = new SharePointService();
List <SPWebpart> webparts = sharePointService.GetWebparts(this.SiteSetting, this.FileLeafRef);
foreach (SPWebpart wp in webparts)
{
AddNode(WebpartsTreeView.Items, wp.Title, wp, Brushes.Black);
}
}