static void Main(string[] args)
{
var dealer = new CarDealer();
var michael = new Consumer("Michael");
dealer.NewCarInfo += michael.NewCarIsHere;//订阅事件
dealer.NewCar("Ferrari");
var nick = new Consumer("Sebastian");
dealer.NewCarInfo += nick.NewCarIsHere;
dealer.NewCar("Mercedes");
dealer.NewCarInfo -= michael.NewCarIsHere;//注销事件
dealer.NewCar("Red Bull Racing");
Console.ReadKey();
}
static void Main()
{
var publisher = new CarDealer();
var michaelConsumer = new Consumer("Michael");
publisher.NewCarInfo += michaelConsumer.Notify;
publisher.NewCar("Ferrari");
var nickConsumer = new Consumer("Sebastian");
publisher.NewCarInfo += nickConsumer.Notify;
publisher.NewCar("Mersedes");
publisher.NewCarInfo -= michaelConsumer.Notify;
publisher.NewCar("Red Bull Racing");
Console.ReadLine();
}
