| Microsoft DirectX 8.1 (C++) | 
The QueryPreferredFormat method retrieves the preferred time format for the stream. This method implements the IMediaSeeking::QueryPreferredFormat method.
Syntax
HRESULT QueryPreferredFormat(
    GUID *pFormat
);
Parameters
pFormat
Pointer to a variable that receives a time format GUID.
Return Value
Returns the HRESULT value from the connected pin.
See Also