Pro ASP.NET 4 in VB 2010, Third Edition

Chapter 28. Graphics, GDI+, and Charting

In Chapter 4, you learned about basic web controls for displaying graphics, such as the Image and ImageButton controls. Both allow you to display an image, and the ImageButton control also fires a Click event that gives you the exact mouse coordinates. But in a modern web application, you'll often want much more.

In this chapter, you'll learn about three features that give you greater control over the look and feel of your website. First, you'll learn about the ImageMap control, which allows you to define invisible shaped regions over an image and react when they're clicked. Next you'll tackle GDI+, a .NET model for rendering dynamic graphics. You'll learn how to render custom graphics with GDI+, how to ...