Illustrated C# 2012

C H A P T E R  13

Delegates

• What Is a Delegate?
• An Overview of Delegates
• Declaring the Delegate Type
• Creating the Delegate Object
• Assigning Delegates
• Combining Delegates
• Adding Methods to Delegates
• Removing Methods from a Delegate
• Invoking a Delegate
• Delegate Example
• Invoking Delegates with Return Values
• Invoking Delegates with Reference Parameters
• Anonymous Methods
• Lambda Expressions

What Is a Delegate?

You can think of a delegate as an object that holds one or more methods. Normally, of course, you wouldn’t think of “executing” an object, but a delegate is different from a typical object. You can execute a delegate, and when you do so, it executes the method or methods that it “holds.”

In this chapter I'll explain the syntax and semantics ...