ActionScript 2.0 Overview - Features Introduced by Flash Player 7
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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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