void uc_Models_Loaded(object sender, RoutedEventArgs e) { wc.ws_selectModelsCompleted += new EventHandler <ws_selectModelsCompletedEventArgs>(wc_ws_selectModelsCompleted); wc.ws_selectModelsAsync(); wc.ws_ins_upd_PeriodCompleted += new EventHandler <ws_ins_upd_PeriodCompletedEventArgs>(wc_ws_ins_upd_PeriodCompleted); }