Overview

Classes are the blueprint for objects in Macromedia Flash MX 2004 and Macromedia Flash MX Professional 2004. All objects in Flash have an underlying class; for example, all movie clips have a method called getURL, and getURL is defined in the class definition for a movie clip. Flash contains many predefined classes, such as the MovieClip class, the Array class, the Color class, and the CheckBox class.

In this lesson, you'll learn about creating and modifying classes. Specifically, you'll learn how to accomplish the following tasks:

• Create objects from existing classes
• Create a custom class
• Use datatyping with custom classes
• Extend an existing class

Note: This lesson is designed for Flash developers who are familiar with basic Flash and ActionScript concepts.