static void Main(string[] args)
{
HereIsEventSource eventSource = new HereIsEventSource();
EventResponder eventResponder = new EventResponder();
eventSource.EventName += eventResponder.Action;
}
static void Main(string[] args)
{
// Step 8: Event sample, 事件的一个样本
// 1. event source: eventSource
HereIsEventSource eventSource = new HereIsEventSource();
// 3. Event subscriber: eventSubscriber
EventSubcriber eventSubscriber = new EventSubcriber();
// 2. Event: EventName
// 5. use “+=” to subscribe the event
// SubscriberDoSomthing: action after event triggerred
eventSource.EventName += eventSubscriber.SubscriberDoSomthing;
eventSource.EventSourceAction4TriggerEvent();
}
public void Action(HereIsEventSource eventSource, EventNameEventArgs e)
{
System.Console.WriteLine("do something!");
}
// Due to subscribe event via delegate, so the method's signature must same as eventhandler delegate
// - eventSource tells EventSubscriber do for which Event Source
// - e tells EventSubscriber the action should base on which parameters
public void SubscriberDoSomthing(HereIsEventSource eventSource, EventNameEventArgs e)
{
System.Console.WriteLine($"Event Suberscriber do something after Event source trigger the event!");
System.Console.WriteLine($"Do something with 1st agrs of EventNameEventArgs: {e.FirstArgs} ");
System.Console.WriteLine($"Do something with 2nd agrs of EventNameEventArgs: {e.SecondArgs} ");
}