public void Run()
{
Heater h = new Heater();
Alarm a = new Alarm();
h.Boiled += a.MakeAlarm;
h.Boiled += Screen.ShowMsg;
h.BoilWater();
}
public void MakeAlarm(object sender, Heater.BoiledEventArgs e)
{
Heater heater = (Heater)sender;
Console.WriteLine("{0}-{1}", heater.area, heater.type);
Console.WriteLine("temperature:{0}", e.temperature);
}
