public Subscriber1(Shape shape)
{
IDrawingObject d = (IDrawingObject)shape;
d.OnDraw += delegate(object sender, EventArgs e)
{
Console.WriteLine("Sub1 receives the IDrawingObject event.");
};
}
static void Main(string[] args)
{
//Car c1 = new Car("SlugBug", 100, 10);
////c1.AboutToBlow += new Car.CarEngineHandler(CarIsAlmostDoomed);
//// 当没有参数传入时可以省略掉delegate之后的()部分
//c1.AboutToBlow += delegate(object sender, CarEventArgs e)
//{
// Console.WriteLine("{0} says: {1}", sender, e.msg);
//};
//// 使用方法组转换，+=直接结合方法名进行操作
//c1.AboutToBlow += CarAboutToBlow;
//EventHandler<CarEventArgs> d = new EventHandler<CarEventArgs>(CarExploaded);
//c1.Exploded += d;
//for (int i = 0; i < 6; i++)
//{
// c1.Accelerate(20);
//}
//c1.Exploded -= CarExploaded;
//c1.AboutToBlow -= CarAboutToBlow;
//for (int i = 0; i < 6; i++)
//{
// c1.Accelerate(20);
//}
Shape shape = new Shape();
Subscriber1 sub = new Subscriber1(shape);
Subscribe2 sub2 = new Subscribe2(shape);
shape.Draw();
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
}
public Subscribe2(Shape shape)
{
IShape d = (IShape)shape;
d.OnDraw += (sender, e) =>
{
Console.WriteLine("Sub2 receives the IShape event.");
};
}
