October 2008
Beginner to intermediate
491 pages
12h 20m
English
book
The ActionScript 3.0 Quick Reference Guide
by Jen deHaan, David Stiller, Darren Richardson, Rich Shupe
Content preview from The ActionScript 3.0 Quick Reference Guide
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,
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.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.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.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.
Chapter 7. Working with Library and Linkage Changes
Like its forerunner, ActionScript 3.0 supports the attachment of
library assets at runtime, but the mechanics have changed. The only class
methods that now contain the word “attach” relate to connecting the SWF file
to an external device, such as NetStream.attachCamera(), which lets the user
transmit webcam input. You don’t find familiar methods like MovieClip.attachMovie() and Sound.attachSound() anywhere, so how can you
access the library now at runtime? The answer’s gratifyingly elegant, and
even in its simple approach, ActionScript 3.0 gives you more elaborate
options than before.
Linkages Now Reference Classes
Prior to ActionScript 3.0, you could optionally assign library assets a linkage identifier in the Library panel. This procedure provided a unique label for the chosen asset, so that you could single it out at runtime when needed, and pull it to the stage. Linkage identifiers are still possible in Flash CS4 Professional when a FLA file is configured for an older version of ActionScript. To access an asset’s linkage properties, right-click (Ctrl-click) the asset as shown in Figure 7-1, and then select Properties.
Figure 7-1. Right-click (Ctrl-click) an asset to access its linkage
properties
Selecting Properties opens the Symbol Properties dialog box, whose Linkage area is initially the same for documents configured for any version ...
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.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.