CPosPassThru::QueryPreferredFormat

Retrieves the preferred time format to be used by the interface.

HRESULT QueryPreferredFormat(
GUID *pFormat );

Parameters

  • pFormat
    Time format preferred by the interface.

Return Values

Returns the HRESULT value returned from calling IMediaSeeking::QueryPreferredFormat on the connected pin.

Remarks

This member function implements the IMediaSeeking::QueryPreferredFormat method by calling this same method on the upstream filter's output pin.

See the description for IMediaSeeking::IsFormatSupported for a list of available time formats. If the time format returned is not satisfactory, use the IMediaSeeking::IsFormatSupported method to query for supported time formats that you can use.

 Last updated on Tuesday, July 13, 2004

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