public static Image End(IAsyncResult result)
{
AsyncLoadImageResult loadImageResult = ThrowHelper.DownCast <AsyncLoadImageResult>(result, "result");
loadImageResult.WaitForCallbackComplete();
loadImageResult.SetCompleted(loadImageResult.Closure.Error);
loadImageResult.CheckPendingException();
return(loadImageResult.Closure);
}
public static IAsyncResult Begin(ImageLoad load, IntPtr p, Session session, ImageSize size,
AsyncCallback userCallback, object state)
{
AsyncLoadImageResult result = new AsyncLoadImageResult(userCallback, state);
Image image = new Image(LibSpotify.sp_image_create_r(session.Handle, load(p, size)));
result.Closure = image;
image.Loaded += result.HandleImageLoaded;
// It's possible the image loaded before we registered the result.HandleImageLoaded
if (image.IsLoaded)
{
result.CompletedSynchronously = true;
result.SetCompleted(image.Error);
}
return(result);
}
