static void Main(string[] args)
{
Console.WriteLine("***** Events *****");
// Make a car as usual.
Car c1 = new Car("SlugBug", 100, 10);
// Register event handlers.
c1.AboutToBlow += new Car.CarEventHandler(CarIsAlmostDoomed);
c1.AboutToBlow += new Car.CarEventHandler(CarAboutToBlow);
Car.CarEventHandler d = new Car.CarEventHandler(CarExploded);
c1.Exploded += d;
// Speed up (this will generate the events.)
Console.WriteLine("\n***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.SpeedUp(20);
}
// Remove CarExploded method
// from invocation list.
c1.Exploded -= d;
Console.WriteLine("\n***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.SpeedUp(20);
}
Console.ReadLine();
}
public static int Main(string[] args)
{
// Make a car as usual.
Car c1 = new Car("SlugBug", 100, 10);
// Make sink object.
CarEventSink sink = new CarEventSink();
// Hook into events.
Car.Exploded += new Car.EngineHandler(sink.OnBlowUp);
Car.Exploded += new Car.EngineHandler(sink.OnBlowUp2);
Car.AboutToBlow += new Car.EngineHandler(sink.OnAboutToBlow);
// Speed up (this will generate the events.)
for (int i = 0; i < 10; i++)
{
c1.SpeedUp(20);
}
// Detach from events.
Car.Exploded -= new Car.EngineHandler(sink.OnBlowUp);
Car.Exploded -= new Car.EngineHandler(sink.OnBlowUp2);
Car.Exploded -= new Car.EngineHandler(sink.OnAboutToBlow);
// No response!
for (int i = 0; i < 10; i++)
{
c1.SpeedUp(20);
}
return(0);
}
