private void JumpToPiano(object sender, System.Windows.RoutedEventArgs e)
{
if (sflag)
{
first.Stop();
sflag = false;
}
first.Dispose();
InRoom_Piano room = new InRoom_Piano();
room.Show();
this.Close();
}
private void jump(object sender, System.Windows.RoutedEventArgs e)
{
InRoom_Piano room = new InRoom_Piano();
room.Show();
this.Close();
}