static void Main(string[] args)
{
Timer timer = new Timer();
timer.Interval = 1000;
Boy boy = new Boy();
Girl girl = new Girl();
timer.Elapsed += boy.Action;
timer.Elapsed += girl.Action;
timer.Start();
Console.ReadLine();
}
static void Main(string[] args)
{
Timer timer = new Timer();//事件的拥有者
timer.Interval = 1000;
Boy boy = new Boy();//事件的响应者
Girl girl = new Girl();
timer.Elapsed += boy.Action;//事件的成员，+=是事件订阅的操作符
timer.Elapsed += girl.Action;
timer.Start();
Console.ReadLine();
}
public static void DoExample()
{
System.Timers.Timer timer = new System.Timers.Timer(); //event source => timer
timer.Interval = 1000;
Boy boy = new Boy(); //event subscriber class => boy
Girl girl = new Girl();
//兩個物件訂閱同一個事件
timer.Elapsed += boy.Action; //event => timer.Elapsed
timer.Elapsed += girl.Action; //+= => subscribe , event handler => girl.Action
timer.Elapsed += new ElapsedEventHandler(boy.Action); //早期做法
timer.Start();
Console.ReadKey();
}