static void Main(string[] args)
{
var processor = new PhotoProcessor();
var filters = new PhotoFilters();
PhotoProcessor.PhotoFilterHandler filterHandler = filters.ApplyBrightness;
filterHandler += RemoveRedEyeFilter;
filterHandler += filters.ApplyContrast;
// Using filterHandler (delegate)
processor.Processing("photo.jpg", filterHandler);
// Using Action<Photo>
processor.Process("image.jpg", filters.ApplyBrightness);
}
