Tween - Adobe ActionScript® 3 (AS3 Flash) API Reference

Your Tween_class[2].as examples should include examples of how to use/handle TweenEvents, which would probably also necessitate using myTween.start(), myTween.stop(), etc. Thus, this example would also show how to exercise even more granular code-control over dynamically generated Tweens. Here's the tutorial I consulted to see how to use TweenEvent.motionFinish: http://active.tutsplus.com/tutorials/actionscript/an-introduction-to-tweening-with-actionscript-3-0/; Step 16 provided the how-to example I was looking for.