dynamically show and unshow panoramaitem pages

 private void button2_Click_2(object sender, System.Windows.RoutedEventArgs e)
        {
          //  MarketplaceReviewTask myTask2 = new MarketplaceReviewTask();
          //  myTask2.Show();


            PanoPage1.IsEnabled = true;
            PanoPage1.Visibility = System.Windows.Visibility.Visible;

        }

        private void button4_Click_2(object sender, System.Windows.RoutedEventArgs e)
        {
          /* MarketplaceSearchTask myTask3 = new MarketplaceSearchTask();
            myTask3.ContentType = MarketplaceContentType.Applications;
            myTask3.SearchTerms = "Lankerspoon";
            myTask3.Show(); */
                    


            PanoPage1.IsEnabled = false;
            PanoPage1.Visibility = System.Windows.Visibility.Collapsed;