private void button1_Click(object sender, EventArgs e)
{
//创建火警警报实例
FireAlarm myFireAlarm = new FireAlarm();
// 创建解决火情的实例，alarm是参数
FireHandlerClass myFireHandler = new FireHandlerClass(myFireAlarm);
//创建一些火情
myFireAlarm.ActivateFireAlarm("Kitchen", 3);
myFireAlarm.ActivateFireAlarm("Study", 1);
myFireAlarm.ActivateFireAlarm("Porch", 5);
return;
}
public FireHandlerClass(FireAlarm fireAlarm)
{
// ExtinguishFire.添加一个包含处理火情的函数的委托，，所以当警报响起时，会接下来执行这个函数
fireAlarm.FireEvent += new FireAlarm.FireEventHandler(ExtinguishFire);
}