Events and commissioned in-depth understanding

• Event Publisher:
  • Some pre-defined function pointers, available to subscribers of events
  • In the local publisher suitable place to study these functions pointer to a function, enabling calls to functions provided by the event subscriber
• Event subscribers: to assign your own function approach function pointer to the event publisher offered
• Using the Event
  • Delegates provide a similar callback function for each additional subscriber, the publisher needs to provide a delegate object is referenced to provide to subscribers
  • If you use a delegate, you need to define a lot delegate object within an event publisher references to subscribers for each event
  • Callback function pointers list released by the publisher event publisher is actually provided externally
• C # implement event mechanisms

1. Publishers define a delegate type
2. Publishers define an event, and events related to the word delegate defined above
3. Subscribers produces a delegate instance, and add it to the list of delegates