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IBaseFilter::QueryFilterInfo method

The QueryFilterInfo method retrieves information about the filter.

Syntax


HRESULT QueryFilterInfo(
  [out]  FILTER_INFO *pInfo
);

Parameters

pInfo [out]

Pointer to a FILTER_INFO structure.

Return value

Returns an HRESULT value. Possible values include the following.

Return codeDescription
S_OK

Success

E_POINTER

NULL pointer argument

 

Remarks

This method fills the FILTER_INFO structure with the filter information. On return, if the pGraph member of the FILTER_INFO structure is non-NULL, the IFilterGraph interface has an outstanding reference count. Be sure to release the interface when you are done.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Strmif.h (include Dshow.h)

Library

Strmiids.lib

See also

Error and Success Codes
IBaseFilter Interface

 

 

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