CLR via C#, Fourth Edition

Chapter 11. Events

In this chapter:

Designing a Type That Exposes an Event

How the Compiler Implements an Event

Designing a Type That Listens for an Event

Explicitly Implementing an Event

In this chapter, I’ll talk about the last kind of member a type can define: events. A type that defines an event member allows the type (or instances of the type) to notify other objects that something special has happened. For example, the Button class offers an event called Click. When a Button object is clicked, one or more objects in an application may want to receive notification about this event in order to perform some action. Events are type members that allow this interaction. Specifically, defining an event member means that a type is offering the following ...