private void Voice_Click(object sender, RoutedEventArgs e)
{
var voiceplaying = new VoicePlaying();
var contex = new Context(voiceplaying);
contex.TutnOn();
}
private void Play_Click(object sender, RoutedEventArgs e)
{
var musicplaying = new MusicPlaying();
var contex = new Context(musicplaying);
contex.TutnOn();
}