December 2002
Intermediate to advanced
1088 pages
192h 4m
English
Content preview from ActionScript for Flash MX: The Definitive Guide, Second Edition
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Types of Movie Clips
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Main Movies
The main movie of a Flash document is the main timeline and Stage present in every
.swf document. The main movie is the foundation for all the content in the docu-
ment, including all other movie clips. We sometimes refer to the main movie as the
main timeline, the main movie timeline, the main Stage, or simply the root.
Note that while each .swf file contains only one main movie, more than one .swf file
can reside in the Flash Player at once—we can load multiple .swf documents (and
therefore multiple main movies) onto a stack of levels via the loadMovie() and
unloadMovie() functions, which we’ll study later.
Main movies can be manipulated in much the same way as regular movie clips, with
the following exceptions:
• A main movie cannot be removed from a .swf file (although a .swf file, itself, can
be removed from the Flash Player).
• The following movie clip methods do not work when invoked on a main movie:
duplicateMovieClip(), removeMovieClip(), and swapDepths().
• The following properties are not supported by main movies:
enabled,
focusEnabled, hitArea, _name, _parent, tabChildren, tabEnabled, tabIndex,
trackAsMenu, and useHandCursor.
• In Flash 5, event handlers cannot be attached to the main movie. As of Flash
Player 6, the following event handler ...
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