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FLASH

ActionScript 2.0 Overview
By: O'Reilly Media
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    2004-08-03

    Table of Contents:
  • ActionScript 2.0 Overview
  • Features Introduced by Flash Player 7
  • Flash MX 2004 Version 2 Components
  • New Component Features in v2
  • ActionScript 1.0 and 2.0 in Flash Player 6 and 7
  • Setting a Movie’s ActionScript Version and Player Version
  • Changes to ActionScript 1.0 in Flash Player 7

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    ActionScript 2.0 Overview - Features Introduced by Flash Player 7


    (Page 2 of 7 )

    In addition to the ActionScript 2.0 language enhancements, Flash Player 7 introduces some important new classes and capabilities. These are available only to Flash Player 7–format movies playing in Flash Player 7 or later. (For information on export formats, see “Setting a Movie’s ActionScript Version and Player Version,” later in this chapter.) Although these features are not the direct topic of study in this book, we’ll cover a few of them during our exploration of ActionScript 2.0.

    The key new features of Flash Player 7 include:

    • New array-sorting capabilities

    • The ContextMenu and ContextMenuItem classes for customizing the Flash Player context menu that appears when the user right-clicks (Windows) or Ctrl-clicks (Macintosh) on a Flash movie

    • Cross-domain policy files for permitting data and content to be loaded from an external domain

    • ID3 v2 tag support for loaded MP3 files

    • Mouse wheel support in text fields (Windows only)

    • Improved MovieClip depth management methods

    • The MovieClipLoader class for loading movie clips and images

    • The PrintJob class for printing with greater control than was previously possible

    • Support for images in text fields, including flowing text around images

    • Improved text metrics (the ability to obtain more accurate measurements of the text in a text field than was possible in Flash Player 6)

    • Cascading stylesheet (CSS) support for text fields, allowing the text in a movie to be formatted with a standard CSS stylesheet

    • Improved ActionScript runtime performance

    • Strict case sensitivity

    The topic of this book is the core ActionScript 2.0 language. As such, the preceding Flash Player features are not all covered in a detailed manner. For more information on the new features in Flash Player 7, see Flash’s online help under Help -> Action-Script Reference Guide -> What’s New in Flash MX 2004 ActionScript.

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