public static void ShowMsg(Object sender, Heater.BoiledEventArgs e)
{
Heater heat = (Heater)sender;
Console.WriteLine("Dispaly: the water is boiling , the temperture is '{0}'", e.temperture);
}
public void MakeAlert(Object sender, Heater.BoiledEventArgs e)
{
Heater heater = (Heater)sender;
Console.WriteLine("Alarm: di di di, the water is on '{0}' temperature", e.temperture);
}