Chapter 10. Delegates and Events
Delegates are the foundation of events. If you have used scripting languages before, you should be familiar with the concept of events. A user may interact with a Web page and click a button. The action of clicking generates an OnClick event. The JavaScript in the page may then do something as a result of the click action.
Delegates are classes that store functions. A developer first defines a delegate class. The definition of the delegate—as you will see in the sections in this chapter—contains a prototype for the type of functions that the delegate can store. A developer then declares a variable of the delegate type and assigns a function to it. The function could be an instance function in an object, or a static ...
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