LoadIFilter function

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Retrieves IFilter from path name for object.

Syntax


HRESULT __stdcall LoadIFilter(
        PCWSTR   pwcsPath,
  _In_  IUnknown *pUnkOuter,
  _Out_ void     **ppIUnk
);

pwcsPath: A pointer to the full path of an object for which an IFilter interface pointer is to be returned. The path can include a full filename or only the file name extension; for example, ".ext".
pUnkOuter [in]: A pointer to the controlling IUnknown interface of the aggregate in which this storage object exists.
ppIUnk [out]: A pointer to a variable that receives the IFilter interface pointer.

This function can return one of these values.

Return code	Description
S_OK	The operation was completed successfully.
E_ACCESSDENIED	The function was denied access to the filter file.
E_HANDLE	The function encountered an invalid handle, probably due to a low-memory situation.
E_INVALIDARG	The function received an invalid parameter.
E_OUTOFMEMORY	The function did not have sufficient memory or other resources to complete the operation.
E_FAIL	An unknown error has occurred.

Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Ntquery.h
Library	Ntquery.lib
DLL	Query.dll