IFilterGraph::FindFilterByName method (strmif.h)

The FindFilterByName method finds a filter that was added to the filter graph with a specific name.

Syntax

HRESULT FindFilterByName(
  [in]  LPCWSTR     pName,
  [out] IBaseFilter **ppFilter
);

Parameters

[in] pName

[in, string] Pointer to the name to search for.

[out] ppFilter

Receives a pointer to the filter's IBaseFilter interface. The caller must release the interface.

Return value

Returns one of the following values.

Return code Description
S_OK
Success.
E_POINTER
NULL pointer argument.
VFW_E_NOT_FOUND
No filter was found with the specified name.

Remarks

If no filter is found, the method returns a NULL pointer in the ppFilter parameter.

The returned IBaseFilter interface has an outstanding reference count. The caller must release the interface.

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)
Library Strmiids.lib

See also

Error and Success Codes

IFilterGraph Interface