static void Main(string[] args)
{
var video = new Video() {Title = "Video1" };
var videoEncoder = new VideoEncoder(); // Publisher
var mailService = new MailService(); // Subscriber
var messageService = new MessageService(); // Subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded; // Adding the method pointer to the delegate.
videoEncoder.VideoEncoded += messageService.OnVideoEncoded; // This is what populates the VideoEncodedEventHandler. This is a subscription.
videoEncoder.VideoEncoding += mailService.OnVideoEncoding;
videoEncoder.VideoEncoding += messageService.OnVideoEncoding;
videoEncoder.Encode(video);
}
static void Main(string[] args)
{
var video = new Video() { Title = "The Lonely Shepherd" };
var videoEncoder = new VideoEncoder(); // Publisher
var mailService = new MailService(); // Subscriber
var messageService = new MessageService(); // Subscriber
videoEncoder.VideoEnconded += mailService.OnVideoEnconded; // Add method *event reference
videoEncoder.VideoEnconded += messageService.OnVideoEncoded; // Add another method *event reference
/* This way, we have to make changes to VideoEncoder class?
We do not net to change that class anymore, the only thing we have to do
does not need recompilation and redeployment.
We can add another class, nothing will be affected in the VideoEncoder class. */
videoEncoder.Encode(video);
}