void wc_ws_helperTypesListCompleted(object sender, ws_helperTypesListCompletedEventArgs e) { if (e.Result != null) { helperTypes = e.Result; auto_types.ItemsSource = helperTypes; } else { cwnd_ShitHappens w = new cwnd_ShitHappens(ErrorResources.err_SELECT, e.OpStatus.ToString()); w.Show(); } }