示例#1
0
 public static void ShowMsg(Object sender, Heater.BoiledEventArgs e)
 { //静态方法
     Heater heater = (Heater)sender;
     Console.WriteLine("Display:{0} - {1}: ", heater.area, heater.type);
     Console.WriteLine("Display:水快烧开了,当前温度:{0}度。", e.temperature);
     Console.WriteLine();
 }
示例#2
0
 public void MakeAlert(Object sender, Heater.BoiledEventArgs e)
 {
     Heater heater = (Heater)sender; //这里是不是很熟悉呢?
     //访问 sender 中的公共字段
     Console.WriteLine("Alarm:{0} - {1}: ", heater.area, heater.type);
     Console.WriteLine("Alarm: 嘀嘀嘀,水已经 {0} 度了:", e.temperature);
     Console.WriteLine();
 }
示例#3
0
 static void Main(string[] args)
 {
     Heater heater = new Heater();
     Alarm alarm = new Alarm();
     
     heater.Boiled += alarm.MakeAlert; //注册方法
     heater.Boiled += (new Alarm()).MakeAlert; //给匿名对象注册方法
     heater.Boiled += new Heater.BoiledEventHandler(alarm.MakeAlert); //也可以这么注册
     heater.Boiled += Display.ShowMsg; //注册静态方法
     heater.BoilWater(); //烧水,会自动调用注册过对象的方法
     Console.ReadKey();
 }