private void SignalsList_KeyUp(object sender, KeyEventArgs e) { if (e.Key == Key.Delete) { SignalGeneratorViewModel model = DataContext as SignalGeneratorViewModel; if (model == null) { return; } var selectedItems = SignalsList.SelectedItems; List <SignalItemView> copyOfSelectedItems = new List <SignalItemView>(selectedItems.Count); foreach (SignalItemView item in selectedItems) { copyOfSelectedItems.Add(item); } foreach (SignalItemView item in copyOfSelectedItems) { model.DeleteSignal(item.DataContext as Signal); } model.PlotSignals(); } }
private void AddSignal_Click(object sender, RoutedEventArgs e) { SignalGeneratorViewModel model = DataContext as SignalGeneratorViewModel; if (model != null) { try { Signal newSignal = new Signal(); newSignal.Name = SignalName.Text; newSignal.SamplingHZ = double.Parse(SamplingHz.Text); newSignal.SignalHZ = double.Parse(SignalHz.Text); newSignal.Amplitude = double.Parse(SignalAmplitude.Text); newSignal.SampleSeconds = 2.0; newSignal.Type = SignalType.Source; newSignal.IsActive = true; model.AddSignal(newSignal); } catch (Exception ex) { // Todo show to user } ClearValues(); model.PlotSignals(); } }