Introduction to event handling in ActionScript 3.0 and Flex3.0

Event handling in ActionScript has changed significantly over the past few releases of Flash Player. With the introduction of ActionScript 3.0, this trend continues. Using ActionScript 3.0, you have even more control when working with events.
This article covers the new features related to event handling in ActionScript 3.0. You'll learn how the new EventDispatcher class works—especially in relation to using mouse events. You will also learn about event propagation, event objects, and how to create your own custom events.
Requirements
To complete this tutorial you'll need to install either of the following:
Flash CS3 Professional
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Sample files
event_handling_as3.zip (ZIP, 38K)