static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// First, make a Car object.
Car c1 = new Car("SlugBug", 100, 10);
// Now, tell the car which method to call
// when it wats to send us messages.
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
// This time, hold onto the delegate object,
// so we can unregister later
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
// Speed up (this will trigger the events).
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
// Unregister from the second handler.
c1.UnregisterWithCarEngine(handler2);
// Speed up (this will trigger the events).
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("**** Delegates as even enablers ****\n");
// First, make a car object
Car c1 = new Car("SlugBug", 100, 10);
// Now, tell the car which method to call when it wants to send us messages
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
// This time hold onto the delegate object, so that it can be unregistered later
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2); // unregister the delegate object
// Speed up (this will trigger the events)
Console.WriteLine("**** Speeding UUUUUUP! *****\n");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
c1.UnregisterWithCarEngine(handler2);
c1.CurrentSpeed = 0;
Console.WriteLine("**** Speeding UUUUUUP! *****\n");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
Car c1 = new Car("Slug Bug", 100, 10);
c1.RegisterWithCarEngine(new Car.CarEventHandler(OnCarEngineEvent));
Car.CarEventHandler handler2 = new Car.CarEventHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
Console.WriteLine("***** Speeding Up *****");
for (int i = 0; i < 6; i++)
c1.Accelerate(20);
Console.WriteLine("\n");
c1.UnregisterWithCarEngine(handler2);
c1.ResetCar();
c1.CurrentSpeed = 10;
Console.WriteLine("***** Speeding Up *****");
for (int i = 0; i < 6; i++)
c1.Accelerate(20);
Console.ReadLine();
}
static void Main(string[] args)
{
Car carAlfaRomeo = new Car("AlfaRomeo", 100, 10);
carAlfaRomeo.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler carHandler = new Car.CarEngineHandler(OnCarEngineEventNew);
carAlfaRomeo.RegisterWithCarEngine(carHandler);
Console.WriteLine("Speeding up!");
for (int i = 0; i < 6; i++)
{
carAlfaRomeo.Accelerate(20);
}
carAlfaRomeo.UnregisterWithCarEngine(carHandler);
}
