/// <summary>
/// 测试委托
/// </summary>
public static void TestDelegate()
{
var w = new Watch();
var alarm = new Alarm();
var alarmBtn = new AlarmButton();
w.ReachTime += alarm.Belling;
w.ReachTime += alarmBtn.Press;
w.Work();
}
public Watch()
{
this.alarm = new Alarm();
this.alarmButton = new AlarmButton();
}