private void MainControl_MouseEnter(object sender, MouseEventArgs e)
 {
     if (!MovieTitle_Tab.IsCanvasDrag && IsPlaying)
     {
         MovieTitle_Tab.SetIsMouseDown(Border, true);
         IsMouseControlOver = true;
     }
 }
 public void MainControl_MouseLeave(object sender, MouseEventArgs e)
 {
     if (!MovieTitle_Tab.IsCanvasDrag && IsPlaying)
     {
         IsMouseControlOver = false;
         MovieTitle_Tab.SetIsMouseDown(Border, false);
         //MovieTitle_Tab.IsMouseMediaControlOver = false;
     }
 }