From Silverlight to Metro: Listing 3.

The search button event handler.

void SearchBtn_Click(object sender, RoutedEventArgs e)

{
  
// Retrieve Topic to Search for from WaterMarkTextBox

  string topic = txtSearchTopic.Text;

  // Construct Digg REST URL

  string diggUrl =  String.Format(
  "http://services.digg.com/stories/topic/{0}?count=20&appkey=http%3A%2F%2Fscottgu.com", topic);

  // Initiate Async Network call to Digg

  WebClient diggService = new WebClient();
    diggService.DownloadStringCompleted += new
      DownloadStringCompletedEventHandler(DiggService_DownloadStoriesCompleted);
    diggService.DownloadStringAsync(new Uri(diggUrl));

}

void DiggService_DownloadStoriesCompleted(
  object sender, DownloadStringCompletedEventArgs e)

{
 
  if (e.Error == null)

  {
    DisplayStories(e.Result);
  }
}

About the Author

Michael Crump is a product manager that works at Microsoft on the Azure platform. He is a is a developer, blogger and speaker of topics relating to cloud development. He’s passionate about helping developers understand the benefits of the cloud in a no-nonsense way. You can reach him on Twitter at mbcrump or by following his blog at michaelcrump.net.