static void Main(string[] args)
{
//Make a car object
Car car1 = new Car("SlugBug", 100, 10);
//now tell the car which method to call
//when it wants to send a message
car1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
car1.RegisterWithCarEngine(handler2);
//speed up this will trigger the event
Console.WriteLine("**** Speeding up *****");
for (int i = 0; i < 6; i++)
{
car1.Accelerate(20);
}
//unregister from the second handler
car1.UnRegisterWithCarEngine(handler2);
//We wont see the uppercase message anymore
//for (int i = 0; i < 6; i++)
// car1.Accelerate(20);
Console.ReadKey();
}
static void Main( string[] args )
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// First, make a Car object.
Car c1 = new Car("SlugBug", 100, 10);
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);
// We won't see the 'uppercase' message anymore!
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
c1.Accelerate(20);
Console.ReadLine();
}
static void Main(string[] args)
{
Car c1 = new Car("SlugBug", 100, 10);
c1.RegisterWithCarEngine(new Car.CarEnginHandler(OnCarEngineEvent));
//c1.RegisterWithCarEngine(new Car.CarEnginHandler(OnCarEngineEvent2));
//先绑定委托对象，稍后再注销.和上面不同的是，这里创建了这个委托类型的对象，并保存在本地变量中，这样就可以使用该对象在后面注销通知
Car.CarEnginHandler handler2 = new Car.CarEnginHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
Console.WriteLine("***** Speed Up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
//Console.ReadLine();
}
//注销第二个处理程序
c1.UnRegisterWithCarEngine(handler2);
//看不到大写消息了
Console.WriteLine("***** Speed Up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
//Console.ReadLine();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// Создать объект Car.
Car car = new Car("Ford", 50, 100);
// Сообщить объекту Car, какой метод вызывать,
// когда он пожелает отправить сообщение.
//car.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent1));
//car.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent2));
Car.CarEngineHandler handler1 = new Car.CarEngineHandler(OnCarEngineEvent1);
car.RegisterWithCarEngine(handler1);
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
car.RegisterWithCarEngine(handler2);
// Увеличить скорость (это инициирует события).
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 5; i++)
{
car.Accelerate(10);
}
car.UnRegisterWithCarEngine(handler2);
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 5; i++)
{
car.Accelerate(10);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
Car c1 = new Car("SlugBug", 100, 10);
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
// Разгоняемся (порождая события).
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
// Отключаеи второй обработчик
c1.UnRegisterWithCarEngine(handler2);
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.ReadLine();
}
static void RemoveTargets()
{
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine("=> Removing Targets from a Delegate's Invocation List");
Car c1 = new Car("SlugBug", 100, 10);
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
Console.WriteLine("===== Speeding up =====");
for (int i = 0; i < 7; i++)
{
c1.Accelerate(20);
}
c1.UnRegisterWithCarEngine(handler2);
c1.Speed = 10;
c1.StatusReset();
Console.WriteLine("----- Speeding up -----");
for (int i = 0; i < 7; i++)
{
c1.Accelerate(20);
}
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// 首先,创建一个Car对象
Car c1 = new Car("SlugBug", 100, 10);
// 现在,告诉汽车,他想要向我们发送信息时调用哪个方法
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
// 先绑定委托对象,稍后再注销
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
// 加速 (这将触发事件)
Console.WriteLine("***** Speeding Up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
// 注销第二个处理程序
c1.UnRegisterWithCarEngine(handler2);
// 看不到大写的消息了
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// Создать объект Car.
Car car = new Car("Lada", 100, 10);
// Сообщить объекту Car, какой метод вызывать,
// когда он пожелает отправить сообщение.
car.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent1));
car.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent2));
// Увеличить скорость (это инициирует события).
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
car.Accelerate(20);
}
//Удаляет функцию из списка
car.UnRegisterWithCarEngine(OnCarEngineEvent2);
for (int i = 0; i < 6; i++)
{
car.Accelerate(20);
}
Console.ReadLine();
}
private static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
var c1 = new Car("SlugBug", 100, 10);
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
//c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent2));
var handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
Console.WriteLine("***** Speeding up *****");
for (var i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
c1.UnRegisterWithCarEngine(handler2);
Console.WriteLine("***** Speeding up *****");
for (var i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// First, make a Car object.
Car c1 = new Car("SlugBug", 100, 10);
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);
// We won't see the "uppercase" message anymore!
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
}
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 wants to send us messages.
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
// Register multiple targets for the notifications.
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);
// We won't see the "uppercase" message anymore!
Console.WriteLine("***** Speeding up Again*****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.WriteLine("***** Method Group Conversion *****\n");
Car c2 = new Car();
// Register the simple method name.
c2.RegisterWithCarEngine(OnCarEngineEvent);
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c2.Accelerate(20);
}
// Unregister the simple method name.
c2.UnRegisterWithCarEngine(OnCarEngineEvent);
// No more notifications!
for (int i = 0; i < 6; i++)
{
c2.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// First, make a Car object.
Car c1 = new Car("SlugBug", 100, 10);
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);
// We won't see the "uppercase" message anymore!
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.WriteLine("***** Agh! No Encapsulation! *****\n");
// Make a Car.
Car myCar = new Car();
// We have direct access to the delegate!
myCar.listOfHandlers = new Car.CarEngineHandler(CallWhenExploded);
myCar.Accelerate(10);
// We can now assign to a whole new object...
// confusing at best.
myCar.listOfHandlers = new Car.CarEngineHandler(CallHereToo);
myCar.Accelerate(10);
// The caller can also directly invoke the delegate!
myCar.listOfHandlers.Invoke("hee, hee, hee...");
Console.ReadLine();
}
static void Main(string[] args)
{
// Console.WriteLine("***** Delegates as event enablers *****\n");
//
// Car c1 = new Car("Slugbug", 100, 10);
// c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
//
// Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
// c1.RegisterWithCarEngine(handler2);
//
// Console.WriteLine("***** Speeding up *****");
// for (int i = 0; i < 6; i++)
// {
// c1.Accelerate(20);
// }
//
// c1.UnRegisterWithCarEngine(handler2);
//
// Console.WriteLine("***** Speeding up *****");
// for (int i = 0; i < 6; i++)
// {
// c1.Accelerate(20);
// }
Console.WriteLine("***** Method Group Conversion *****\n");
Car c2 = new Car();
c2.RegisterWithCarEngine(OnCarEngineEvent);
Console.WriteLine("***** Speeding Up *****");
for (int i = 0; i < 6; i++)
{
c2.Accelerate(20);
}
c2.UnRegisterWithCarEngine(OnCarEngineEvent);
// No more notifications!
Console.WriteLine("No more notifications!");
for (int i = 0; i < 6; i++)
{
c2.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enables *****\n");
Car c1 = new Car("SlugBug", 100, 10);
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler engineHandler = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent2));
c1.UnRegisterWithCarEngine(engineHandler);
Console.WriteLine("******Speeding up!********");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
}
static void Main(string[] args)
{
Console.WriteLine("**** Delegated as event enablers ****");
Car c1 = new Car("Jimmy", 0, 110);
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler handler = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler);
for (int i = 0; i < 7; i++)
{
c1.Accelerate(20);
}
c1.UnRegisterWithCarEngine(handler);
c1.Accelerate(10);
Console.ReadLine();
}
static void Main(string[] args) {
Car c1 = new Car("SlugBug", 100, 10);
//c1.RegisterWithCarEngine(OnCarEngineEvent); Also works fine, method group conversion
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
for (int i = 0; i < 6; i++) {
c1.Accelerate(20);
}
c1.UnRegisterWithCarEngine(handler2);
for (int i = 0; i < 2; i++) {
c1.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
// First, make a Car Object
Car c1 = new Car("SlougBug", 100, 10);
// Now, tell the car which method to call
// when it wants to send us messages.
// Extra-register multiple targets for the notifications
c1.RegisterWithCarEngine(new Car.CarEngineHanlder(OnCarEngineEvent));
// c1 i => the event source object
// .RegisterWithCarEngine => provides the registration/helper function
// new Car.CarEngineHandler(... => Listener Object (EVENT HANDLER)
// OnCarEngineEvent => Event Handler Method / Listner Handler Object's method (EVENT HANDLER)
Car.CarEngineHanlder handler2 = new Car.CarEngineHanlder(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);
//--------------------------Water Bottle---------------------------------------//
PlasticWaterBottle myBottle = new PlasticWaterBottle(aName:"DANASI");
//myBottle.RegisterWithBottleOfWater(new PlasticWaterBottle.WaterNotification(MartinBottle)); // OLD WAY
myBottle.RegisterSubscribers(MartinBottle01); // NEW WAY
// Lets fill the water
for (int i = 0; i < 20; i++) {
myBottle.fillWater(i);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
// First, make a Car object.
Car myCar = new Car("SlugBug", 100, 10);
// register the handler, note anonymous class. Note the arg as a handler
// that conforms to the delegate method signature
// If you change the method handler arguments below, you will get a compile time error.
myCar.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
// This time, hold onto the delegate object,
// so we can unregister later.
// The Register function keeps a list of all the event handlers
// that conform to the delegate signature.
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
myCar.RegisterWithCarEngine(handler2);
// Speed up (this will trigger the events).
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
{
myCar.Accelerate(20);
}
// Unregister from the second handler.
myCar.UnRegisterWithCarEngine(handler2);
// We won't see the 'uppercase' message anymore!
Console.WriteLine("***** Speeding up but unregistered 2nd event handler*****");
for (int i = 0; i < 6; i++)
{
myCar.Accelerate(20);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Delegates as event enablers *****\n");
//make a car
Car c1 = new Car("SlugBug", 100, 10);
//now tell the car which method(s) to call
c1.RegisterWithCarEngine(new Car.CarEngineHandler(OnCarEngineEvent));
//we want an object that we can subsequently UNREGISTER...
Car.CarEngineHandler handler2 = new Car.CarEngineHandler(OnCarEngineEvent2);
c1.RegisterWithCarEngine(handler2);
//UNREGISTER the second handler
c1.UnRegisterWithCarEngine(handler2);//enabling this line will UNREGISTER the second
//event
//Speed up (this will trigger events)
Console.WriteLine("***** Speeding up *****");
for (int i = 0; i < 6; i++)
c1.Accelerate(20);
Console.ReadLine();
}
