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Media State Aggregation Service Reference

The Ehmediastatus.idl file that is included in the Windows Media Center SDK defines the interfaces, structures, and enumeration types that are used by a media status sink component.

Note    The Media State Aggregation Service API has been deprecated.

To receive status information from the media state aggregation service (MSAS), a driver or other software component must implement the interfaces below:

IMediaStatusSessionPasses media status properties to the media status sink.
IMediaStatusSinkInitializes the media status sink and creates a media status session.

A driver or other software component can use the following structures and enumeration types to process media status notifications that are sent to its media status sink:

Structure or Enumeration TypeDescription
MEDIASTATUSPROPERTYContains a media status property that has changed.
MEDIASTATUSPROPERTYTAGContains values that identify properties of media status notifications.

See Also

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