In this chapter:
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
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 ...