private void BtnReset_Click(object sender, RoutedEventArgs e) { //markOnLeft = false; //isSimplified = false; OctOffset = 0; HalfOffset = 0; MarkOnLeft = true; IsSimplified = false; tuneCVT = new TuneConvertHelper.TuneConverter(MarkOnLeft, IsSimplified); //CbSrcTune.Items.Clear(); //CbDstTune.Items.Clear(); CbSrcTune.ItemsSource = tuneCVT.majorTuneList; CbDstTune.ItemsSource = tuneCVT.majorTuneList; CbSrcTune.SelectedIndex = 5; CbDstTune.SelectedIndex = 5; }