IFilterGraph::FindFilterByName

  • 项目

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

HRESULT FindFilterByName(
  LPCWSTR pName,
  IBaseFilter** ppFilter
);

Parameters

  • pName
    [in, string] Name to search for.
  • ppFilter
    [out] Pointer to an IBaseFilter interface on the found filter.

Return Values

Returns an HRESULT value that depends on the implementation. HRESULT can be one of the following standard constants, or other values not listed.

Value Description
E_FAIL Failure.
E_POINTER Null pointer argument.
E_INVALIDARG Invalid argument.
E_NOTIMPL Method is not supported.
S_OK or NOERROR Success.

Remarks

This function fails and sets pointers to the ppFilter parameter to NULL if the name is not in this graph.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.

See Also

IFilterGraph Interface

Last updated on Wednesday, April 13, 2005

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