ArcGISWindowsPhoneSDK.ArcGISWebClientSimple.webclient_OpenReadCompleted C# (CSharp) Method

        void webclient_OpenReadCompleted(object sender, ArcGISWebClient.OpenReadCompletedEventArgs e)
        {
            try
            {
                if (e.Error != null)
                    throw new Exception(e.Error.Message);

                // Deserialize response using classes defined by a data contract, included in this class definition below
                DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(MySvcs));
                MySvcs mysvcs = serializer.ReadObject(e.Result) as MySvcs;

                if (mysvcs.Services.Count == 0)
                    throw new Exception("No services returned");

                // Use LINQ to return all map services
                var mapSvcs = from s in mysvcs.Services
                              where s.Type == "MapServer"
                              select s;

                // If map services are returned, show the Listbox with items as map services
                if (mapSvcs.Count() > 0)
                {
                    MySvcTreeView.ItemsSource = mapSvcs;
                    MySvcTreeView.Visibility = System.Windows.Visibility.Visible;
                    NoMapServicesTextBlock.Visibility = System.Windows.Visibility.Collapsed;
                }
                else
                {
                    MySvcTreeView.Visibility = System.Windows.Visibility.Collapsed;
                    NoMapServicesTextBlock.Visibility = System.Windows.Visibility.Visible;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                if (e.Result != null)
                    e.Result.Close();
            }
        }