Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

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

Syntax 

HRESULT QueryPreferredFormat(
  GUID* 
pFormat 
);

Parameters

pFormat

Time format preferred by the interface.

Return Value

Returns the HRESULTvalue returned from calling IMediaSeeking::QueryPreferredFormaton the connected pin.

Remarks

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

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

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later