// Do not declare virtual events in a base class and override them in a derived class.
// The C# compiler does not handle these correctly and it is unpredictable whether a subscriber
// to the derived event will actually be subscribing to the base class event.
protected override void OnCustomEventWithGenerics(CustomEventArgs e)
{
// Execute some specific logic
e = new CustomEventArgs(e.Message + " - in the override.");
base.OnCustomEventWithGenerics(e);
}
//Subscriber has same method signature as publisher
public void ConsumeNewCarInformationFromPublisher(object obj, CustomEventArgs eventArgs)
{
Console.WriteLine("Subscriber {0} found this car from publisher: {1}", consumerName, eventArgs.Car);
}
protected virtual void OnCustomEventWithGenerics(CustomEventArgs e)
{
EventHandler<CustomEventArgs> handler = CustomEventWithGenerics;
if (handler != null) handler(this, e);
}
public void DoCustomWork(CustomEventArgs a)
{
CustomEventHandler handler = CustomEvent;
if (handler != null) handler(this, a);
}
// Define what actions to take when the event is raised.
void HandleCustomEvent(object sender, CustomEventArgs e)
{
Console.WriteLine(id + " received this message: {0}", e.Message);
}