public void SaveVolumeSettingTest()
{
var playControlViewModel = new PlayControlViewModel();
var appConfig = new AppConfiguration();
playControlViewModel.SaveVolumeSetting(60);
Assert.AreEqual(60, appConfig.ReadSetting("Volume"));
}
private void Slider_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
playControlViewModel.SetMediaPlayerVolume(e.NewValue);
playControlViewModel.SaveVolumeSetting(e.NewValue);
}