private void Button_Click(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("C:/Users/Abd El-Rahman/SkyDrive/Dr. Mostafa Shawky/badminton/Backhand/Backhand Smash - www.thwack.co.mpg");
     tutorialWindow.Show();
 }
 private void Button_Click_9(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Backhand/9.mp4");
     tutorialWindow.Show();
 }
 private void Button_Click_52(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Power/4.mp4");
     tutorialWindow.Show();
 }
 private void Button_Click_56(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/How to Grip the Raquet and Use Wrist/4.mp4");
     tutorialWindow.Show();
 }
 private void Button_Click_48(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Serve/9.flv");
     tutorialWindow.Show();
 }
 private void Button_Click_38(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Training/8.mp4");
     tutorialWindow.Show();
 }
 private void Button_Click_30(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Warm Up/3.mp4");
     tutorialWindow.Show();
 }
 private void Button_Click_18(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Footwork/6.mp4");
     tutorialWindow.Show();
 }
 private void Button_Click_11(object sender, RoutedEventArgs e)
 {
     tutorialWindow = new PlayTutorialWindow("Tutorials/Doubel/2.mp4");
     tutorialWindow.Show();
 }