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Describes the media source.
public enum MediaSourceAttributesKeys
|CanSeek||A Boolean value that describes whether this source can seek.|
|Duration||The length of playback time of this source as an integer in 100-nanosecond increments.|
|DRMHeader||DRM data that the pipeline needs to initialize and decrypt correctly. This is the DRM header represented as a string.|
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0