May 2010
Intermediate to advanced
778 pages
23h 58m
English
Content preview from Flash CS5: The Missing ManualBecome 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,
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Getting Help for Events and Event Listeners
Now that the Flash document is ready to go, it's time to write and register an event listener, but where do you start? Computers are fussy beasts and won't work properly unless everything is done their way. ActionScript is the same. Event handling uses specific words, punctuation, and even capitalization. Everything has to be just so, or your event will be a nonevent. For beginner ActionScript coders, one of the challenges is learning the right words to use to define and register particular events. This section explains what questions you need to ask as you're coding and where to find the answers.
The first question to ask is this: What type of event is going to serve as the trigger to set your actions in motion? In this case, the event is the movement of the mouse over an object named mcCircle, so this is a mouse-related event. With that bit of knowledge, you can consult ActionScript reference tools that list different types of events. You're looking for one that sounds like it deals with mouse events.
The best reference tool that's close at hand while you're ActionScripting is the ActionScript 3.0 and Components reference. Open it through the help menu: Help→Flash Help. Flash opens the help pages in the Adobe Help window, which works like a web browser, with Forward and Back buttons and such. When you first fire it up, the window lists several help systems you can use. In this case, click the link ActionScript 3.0 and Components.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.