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IFilterMapper::EnumMatchingFilters

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

This method provides an enumerator that enumerates registered filters that meet specified requirements.

Syntax

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 Value

Returns an HRESULT value.

Remarks

Set the ppEnum parameter to be an enumerator for filters matching the requirements. For a description of merit values for the dwMerit parameter, see the IFilterMapper::RegisterFilter method.

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

See Also

Reference

IFilterMapper Interface