public void LoadImages(string search)
        {
            UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;

            bing = new Bing((results) => {
                InvokeOnMainThread(delegate {
                    imageUrls = results;
                    CollectionView.ReloadData();
                    UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
                });
            });

            bing.ImageSearch(search);
        }
 public void LoadImages (string search)
 {
     UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
     
     bing = new Bing ((results) => {
         InvokeOnMainThread (delegate {
             imageUrls = results;
             CollectionView.ReloadData ();
             UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
         });
     });
     
     bing.ImageSearch (search);
 }