/// <summary>
/// 修改音量事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Vol_Changed(object sender, RoutedPropertyChangedEventArgs <double> e)
{
PlayControl.SetVol((int)((Slider)sender).Value);
}
public void MusicVolume(int volume)
{
PlayControl.SetVol(volume);
}