BindIFilterFromStorage function (ntquery.h)
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Retrieves the IFilter interface pointer for the specified storage object. This is especially useful when filtering the contents of a document and processing embedded OLE objects that are accessible through their IStorage interfaces.
Syntax
HRESULT BindIFilterFromStorage(
[in] IStorage *pStg,
[in] IUnknown *pUnkOuter,
[out] void **ppIUnk
);
Parameters
[in] pStg
A pointer to the IStorage interface to be used to access the file.
[in] pUnkOuter
A pointer to the controlling IUnknown interface of the aggregate in which this storage object exists.
[out] ppIUnk
A pointer to an output variable that receives the IFilter interface pointer.
Return value
This function can return one of these values.
| Return code | Description |
|---|---|
|
The operation was completed successfully. |
|
The function was denied access to the path of the storage object. |
|
The function encountered an invalid handle, probably due to a low-memory situation. |
|
The function received an invalid parameter. |
|
The function did not have sufficient memory or other resources to complete the operation. |
|
An unknown error has occurred. |
Remarks
This function is not a full implementation of a COM persistent handler.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | ntquery.h |
| Library | Ntquery.lib |
| DLL | Ntquery.dll |