/// <summary> /// 清空列表 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void MenuItem_Click_1(object sender, RoutedEventArgs e) { canvas.Children.Clear(); string pno = (App.Current.Resources["Locator"] as ViewModelLocator).Paper.Project.ProjectNO; string fixno = (App.Current.Resources["Locator"] as ViewModelLocator).Paper.CablePaper.FixtureCode; SQliteDbContext.DeleteALLPin(pno, fixno); (App.Current.Resources["Locator"] as ViewModelLocator).Paper.Pins.Clear(); }