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Provides an enumerator that enumerates registered filters that meet specified requirements.
HRESULT EnumMatchingFilters( IEnumRegFilters ** ppEnum , DWORD dwMerit , BOOL bInputNeeded , CLSID clsInMaj , CLSID clsInSub , BOOL bRender , BOOL bOutputNeeded , CLSID clsOutMaj , CLSID clsOutSub );
Parameters
- ppEnum
- [out] Enumerator returned.
- dwMerit
- [in] Enumerate only filters with at least this merit.
- bInputNeeded
- TRUE if there must be at least one input pin.
- clsInMaj
- [in] Input major type required. Set to GUID_NULL if you do not care.
- clsInSub
- [in] Input subtype required. Set to GUID_NULL if you do not care.
- bRender
- [in] Option that specifies if the input must be rendered by this filter.
- bOutputNeeded
- TRUE if there must be at least one output pin.
- clsOutMaj
- [in] Output major type required. Set to GUID_NULL if you do not care.
- clsOutSub
- [in] Output subtype required. Set to GUID_NULL if you do not
care.
Return Values
Returns an HRESULTvalue.
Remarks
Set the ppEnumparameter to be an enumerator for filters matching the requirements. For a description of merit values for the dwMeritparameter, see the IFilterMapper::RegisterFiltermethod.