Windows Media Player 11 SDK WM/MediaClassSecondaryID Attribute 

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WM/MediaClassSecondaryID Attribute

The WM/MediaClassSecondaryID attribute is a GUID specifying the secondary media class, which is a sub-class of the primary media class.

Remarks

This attribute is stored in both the library and the digital media file.

The following table lists the supported GUIDs and their descriptions.

GUID	Description
D0E20D5C-CAD6-4F66-9FA1-6018830F1DCC	The media object represents a static playlist.
EB0BAFB6-3C4F-4C31-AA39-95C7B8D7831D	The media object represents an auto playlist.

MediaClassSecondaryID is an alias for this attribute.

The Windows Media Format SDK constant for this attribute is g_wszWMMediaClassSecondaryID.

To determine whether you can change the value of this attribute, use the Media.isReadOnlyItem method.

Applies To

• Audio Items
• Commonly Used Windows Media File Attributes
• Other Items
• Photo Items
• Playlists
• Radio Items
• Video Items

Requirements

The photo item is supported only in Windows Media Player 10 or later. The radio item is supported only in Windows Media Player 9 Series. All other items are supported in Windows Media Player 9 Series and later.

See Also

• Attribute Reference

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