static void Main(string[] args)
{
var smsSender = new SmsSender();
var emailSender = new EmailSender();
JokeGenerator jokeGenerator = new JokeGenerator();
jokeGenerator.Subscribe(emailSender.MailJoke);
jokeGenerator.Subscribe(smsSender.SmsJoke);
Console.WriteLine("Hit enter to remove SMS sender");
// Console.ReadLine( );
jokeGenerator.UnSubscribe(smsSender.SmsJoke);
Console.ReadLine();
}
static void Main(string[] args)
{
var smsSender = new SmsSender();
var emailSender = new EmailSender();
JokeGenerator jokeGenerator = new JokeGenerator();
jokeGenerator.Subscribe(emailSender.MailJoke);
jokeGenerator.Subscribe(smsSender.SmsJoke);
jokeGenerator.UnSubscribe(smsSender.SmsJoke);
emailSender = null;
smsSender = null;
jokeGenerator = null;
//Please pay attention to this memory leak case: we have explicitly set jokeGenerator to null, but events still occur, so Timer object lives in memory, and the object, that contain handling method live as well
GC.Collect();
Console.ReadLine();
}