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Windows Media Metafile Elements Reference

[The feature associated with this page, Windows Media Player SDK, is a legacy feature. It has been superseded by MediaPlayer. MediaPlayer has been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer instead of Windows Media Player SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

This section contains reference documentation for all Windows Media metafile elements for client-side applications. Reference entries include definitions of the elements, their attributes and values, and special conditions related to each element.

The following metafile elements are supported for client-side applications.

Element Description
ABSTRACT Contains text that describes the associated ASX, BANNER, or ENTRY element.
ASX Defines a file as a Windows Media metafile.
AUTHOR Contains the name of the author of a media clip or a Windows Media metafile.
BANNER Specifies a URL for a graphic that appears in the display panel of Windows Media Player.
BASE Specifies a string that is appended to the front of URLs sent to Windows Media Player.
Comments Specifies the XML syntax for comments ( ).
COPYRIGHT Contains the copyright information for an ASX or ENTRY element.
DURATION Specifies the length of time Windows Media Player renders a stream.
ENDMARKER Specifies a marker at which Windows Media Player stops rendering the stream.
ENTRY Specifies the path for a media clip.
ENTRYREF Links to the ENTRY elements in an external Windows Media metafile that has an .asx, .wax, .wvx, or .wmx extension.
EVENT Defines a behavior or action taken by Windows Media Player when it receives a script command labeled as an event.
LOGURL Instructs Windows Media Player to submit any log data to the specified URL.
MOREINFO Specifies a URL for a website, email address, or script command associated with a show, clip, or banner.
PARAM Specifies the value of a custom parameter associated with a playlist or an element of a playlist.
PREVIEWDURATION Specifies the length of time a clip is played in preview mode.
REF Specifies a URL for a piece of digital media content.
REPEAT Specifies the number of times Windows Media Player repeats one or more ENTRY or ENTRYREF elements.
SKIN (deprecated) Specifies a URL to an embedded skin.
STARTMARKER Specifies a marker at which Windows Media Player starts rendering the stream.
STARTTIME Specifies a time at which Windows Media Player will start rendering the stream.
TITLE Contains the title of an ASX or ENTRY element.