private void btnRentalDelete_Click(object sender, RoutedEventArgs e) { Button button = (Button)sender; Rental rental = (Rental)button.DataContext; if (MessageBox.Show("Deze verhuur annuleren?", "Verhuur verwijderen", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.Yes) { rentals.DeleteRental(rental); lstResidences_SelectionChanged(null, null); } }