private void BtnAlways_OnClick(object sender, RoutedEventArgs e)
 {
     _deviceImportOption = DeviceImportOption.Always;
     this.Close();
 }
 private void BtnJustOnce_OnClick(object sender, RoutedEventArgs e)
 {
     _deviceImportOption = DeviceImportOption.JustOnce;
     this.Close();
 }
 private void BtnNever_OnClick(object sender, RoutedEventArgs e)
 {
     _deviceImportOption = DeviceImportOption.Never;
     this.Close();
 }