private void recognizeFace_Click(object sender, RoutedEventArgs e)
 {
     FaceRecognizer.RecognizeFace recognizeFaceobj = new FaceRecognizer.RecognizeFace();
     infodocP.Children.Clear();
     infodocP.Children.Add(recognizeFaceobj);
 }
 private void recognizeFace_Click(object sender, RoutedEventArgs e)
 {
     FaceRecognizer.RecognizeFace recognizeFaceobj = new FaceRecognizer.RecognizeFace();
     infodocP.Children.Clear();
     infodocP.Children.Add(recognizeFaceobj);
 }