Async image downloading for monotouch

AsyncLoadImage.cs

          byte[] data = null;
          using (Stream response = await session.DownloadResourceAsync(request))
          using (MemoryStream responseInMemory = new MemoryStream())
          {
            await response.CopyToAsync(responseInMemory);
            data = responseInMemory.ToArray();
          }

          BeginInvokeOnMainThread(delegate
          {
            using ( NSData imageData = NSData.FromArray(data) )
            {
              using ( UIImage image = new UIImage(imageData) )
              {
                // no need disposing 
                // since this.ImageView.Image creates a 
                // new C# object on each call
                this.ImageView.Image = image;

                // Update Overlay
                this.HideLoader();
              }
            }
          });