private void BtnNew_Click(object sender, RoutedEventArgs e) { AddCdWindow addCdWindow = new AddCdWindow(null); addCdWindow.ShowDialog(); Repository repo = Repository.GetInstance(); _cds = repo.GetAllCds(); listBoxCds.ItemsSource = _cds; }
private void BtnEdit_Click(object sender, RoutedEventArgs e) { Cd selectedCd = listBoxCds.SelectedItem as Cd; if (selectedCd == null) { MessageBox.Show("Sie müssen eine CD auswählen!"); return; } AddCdWindow addCdWindow = new AddCdWindow(selectedCd); addCdWindow.ShowDialog(); Repository repo = Repository.GetInstance(); _cds = repo.GetAllCds(); listBoxCds.ItemsSource = _cds; }