ArcGISWindowsPhoneSDK.ShadedReliefImageService.Button_Click C# (CSharp) Method

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Button b = sender as Button;
            if (ControlPanel.Visibility == System.Windows.Visibility.Visible)
            {
                ControlPanel.Visibility = System.Windows.Visibility.Collapsed;
                b.Content = "Show";
            }
            else
            {
                ControlPanel.Visibility = System.Windows.Visibility.Visible;
                b.Content = "Hide";
            }
        }