Skip to Main Content
Building Applications and Components with Visual Basic .NET
book

Building Applications and Components with Visual Basic .NET

by Ted Pattison, Dr. Joe Hummel
October 2003
Intermediate to advanced content levelIntermediate to advanced
592 pages
13h 42m
English
Addison-Wesley Professional
Content preview from Building Applications and Components with Visual Basic .NET

The Callback: A Simple Design Pattern

Application software is often designed around the programming technique known as callbacks. In a callback, one part of an application sends out notifications to alert other parts of the application when something interesting has occurred. More specifically, a callback is a call from a notification source back to a method implemented by one or more handlers.

Most Visual Basic programmers are already familiar with the concept of callbacks because of the manner in which Visual Basic has always supported event handling. An event handler is a simple example of a callback method. When you write an event handler for the Click event of a command button, you are really writing the implementation for a callback method. ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Visual Basic® .NET Power Coding

Visual Basic® .NET Power Coding

Paul Kimmel
Visual Basic 2015 Unleashed

Visual Basic 2015 Unleashed

Alessandro Del Sole
Programming in the .NET Environment

Programming in the .NET Environment

Damien Watkins, Mark Hammond, Brad Abrams

Publisher Resources

ISBN: 0201734958Purchase book