static void Main(string[] args)
{
//with additional arguments
var video = new Video()
{
Title = "Video1"
};
var videoEncoder = new VideoEncoder(); //publisher
var mailService = new MailService(); // subscriber
var messageService = new MessageService(); //subscriber
videoEncoder.VideoEncoded += mailService.SendEmail; //we do subscription, "+=" means register the handler for this event VideoEncoded it is like a list of pointers to methods
videoEncoder.VideoEncoded += messageService.SendMessage; // no() because it is a pointer to the method
videoEncoder.Encode(video);
//without additional arguments
User user = new User()
{
Name = "Tom"
};
LoginToPostman login = new LoginToPostman();
OpenGithubPage page = new OpenGithubPage();
login.LoggedIn += page.OpenPage;
login.Login(user);
//the simple delegate C# 1.0
Printer print = SimpleDelegate.SimpleDelegate.PrintText;
print("simple delegate works correctly");
//delegate with using Lambda expression C# 3.0
PrintWithLambdaSimple print3 = text => Console.WriteLine(text);
print3("more simple delegate with lambda");
MyNew mynew = text => text;
Console.WriteLine(mynew("My"));
//without declaration of delegate at all C# 3.5
Func <string, string> funcTest = delegate(string text)
{
return(text);
};
Console.WriteLine(funcTest("Func delegates without delegate declaration"));
//without declaration of delegate with lambda C# 3.5
Func <string, string> funcTest2 = text => { return(text); };
Console.WriteLine(funcTest2("The new func delegates with lambda"));
//action delegates
Action <string> actionTest = text => { Console.WriteLine(text); };
actionTest("Action delegates");
Console.ReadKey();
}
static void Main(string[] args)
{
var video = new Video()
{
title = "Video 1"
};
var videoencoder = new VideoEncoder();
MailService ms = new MailService();
MessageService mt = new MessageService();
videoencoder.videoEncoded += ms.OnVideoEncoded;
videoencoder.videoEncoded += mt.OnVideoEncoded;
videoencoder.Encode(video);
Console.WriteLine("Hello World!");
}
static void Main(string[] args)
{
//Person newPerson1 = new Person() { FirstName = "Paul", LastName = "McDuck" };
Video newVideo = new Video()
{
Name = "DirHard.mp4"
};
VideoEncoder videoEncoder = new VideoEncoder(); //Publisher
NotificationService notificationService = new NotificationService(); //Subscriber
EmailService emailService = new EmailService();
videoEncoder.VideoEncoded += notificationService.OnVideoEncoded;
videoEncoder.VideoEncoded += emailService.OnVideoEncoded;
videoEncoder.Encode(newVideo);
Console.WriteLine("-----");
Console.WriteLine(newVideo.Name + ", " + newVideo.EmailState + ", " + newVideo.TextState);
Console.ReadKey();
}
