// 静态方法
public static void ShowMsg(Object sender, Heater.BoiledEventArgs e)
{
Heater heater = (Heater)sender;
Console.WriteLine("Display: {0} - {1}", heater.area, heater.type);
Console.WriteLine("Display: 水已烧开, 当前温度:{0}度:", e.temperature);
Console.WriteLine();
}
public void MakeAlert(Object sender, Heater.BoiledEventArgs e)
{
Heater heater = (Heater)sender;
// 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();
}