This method retrieves the preferred time format to be used by the interface.

HRESULT QueryPreferredFormat(
  GUID* pFormat


  • pFormat
    [out] Time format preferred by the interface.

Return Values

Returns an HRESULT value that depends on the implementation of the interface. The default DirectShow implementation returns NOERROR.


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


DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IMediaSeeking Interface

Last updated on Wednesday, April 13, 2005

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