private async void Button_Click(object sender, RoutedEventArgs e)        {            List
     
       jokes = await this.getFileContentAsync();            imagepoll.Orientation = Orientation.Vertical;            imagepoll.Width = 800;            foreach (ServiceReference1.Pic pic in jokes)            {                StackPanel panel = new StackPanel();                panel.Orientation = Orientation.Horizontal;                ImageBrush imageBrush = new ImageBrush();                imageBrush.ImageSource = new BitmapImage(new Uri(pic.URL));                Image image = new Image();                image.Source = imageBrush.ImageSource;                image.Margin = new Thickness(0, 0, 10, 0);                image.Width = 100;                panel.Children.Add(image);                TextBlock block = new TextBlock();                block.Text = pic.Name;                panel.Children.Add(block);                this.imagepoll.Children.Add(panel);                panel.PointerMoved += Mource_Move;            }        }        private async void Mource_Move(object sender, RoutedEventArgs e)        {            StackPanel panel = (StackPanel)sender;            TextBlock block = (TextBlock)panel.Children[1];            string message = block.Text;            MessageDialog dialog = new MessageDialog(message);            dialog.ShowAsync();        }