ActionScript for Flash MX: The Definitive Guide, Second Edition

This is the Title of the Book, eMatter Edition

Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.

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Chapter 13: Movie Clips

labeled frame. For example, when the mouse moves over the clip, Flash performs the

equivalent of this:

theClip.gotoAndStop("_over");

At each of the labeled button-state frames, we can issue a play() command to create

animated button effects. However, we must be sure to also issue a stop() command

on frame 1 of the movie clip, which prevents the movie from playing through all its

button states. Normally, this first frame is labeled

_up (the default inactive state for

the button).

Movie clips with button events can also use the button properties

enabled (used to

toggle button behavior on and off), useHandCursor (used to prevent or enable changes

to the mouse pointer when it is over the button), and

trackAsMenu (used to modify

the button’s onRelease() handler requirements, enabling menu-style behavior). For

example, we can suppress the display of the hand mouse pointer for our

submit_mc

clip as follows:

submit_mc.useHandCursor = false;

Typical web browser Submit buttons do not show a hand pointer on rollover. For

deeper discussion of the button properties available to movie clips, see the MovieClip

class in the Language Reference.

Nested button behavior is not supported for movie clips. That is, movie clips inside a

movie clip with button behavior cannot themselves define ...