Windows Media Player 11 SDK Types of Playlists
Windows Media metafile playlists, simply referred to as playlists in this document, have .wax, .wvx, or .asx extensions. Playlists with these extensions are used to access Windows Media files with .wma, .wmv, and .asf file name extensions, respectively.
- Metafile Extension Guidelines
- Using Metafile Playlists
- Windows Media Metafile Elements Reference
- Windows Media Metafile Guide