Microsoft® Visual Basic® 2010 Developer’s Handbook

Chapter 15. Events, Delegates, and Lambda Expressions

In this chapter:
Consuming Events with WithEvents and Handles
Raising Events
Providing Event Parameters
Delegates
Lambda Expressions
Embedding Events Dynamically with AddHandler
Implementing Your Own Event Handlers

You are probably familiar with events in Windows programming, from subroutines that handle common user events, such as a button click or a list item selection. However, consuming these predefined events is just the tip of the iceberg.

Classes can also trigger events that can be used by other classes. Event-raising classes should follow certain rules, which you’ll examine later in more detail. You can also connect events retroactively (at runtime) to corresponding handlers, so that ...