private void Step3MediaElement_MediaEnded(object sender, RoutedEventArgs e)
{
Step3MediaElement.Position = new TimeSpan(0, 0, 0);
Step3MediaElement.Play();
}
private void Step3MediaElement_MediaEnded(object sender, RoutedEventArgs e)///Repeat When video is Ended
{
Step3MediaElement.Position = new TimeSpan(0, 0, 0); Step3MediaElement.Play();
}