Microsoft OLE DB 2.0 Programmers Reference and Data Access SDK (Microsoft Professional Editions)
| OLE DB Programmer's Reference |
Returns an interface pointer on the data source object that created the session.
HRESULT GetDataSource ( REFIID riid, IUnknown **ppDataSource);
Parameters
- riid
- [in] The IID of the interface on which to return a pointer.
- ppDataSource
- [out] A pointer to memory in which to return the interface pointer. If IGetDataSource::GetDataSource fails, it must attempt to set *ppDataSource to a null pointer.
Return Code
- S_OK
- The method succeeded.
- E_FAIL
- A provider-specific error occurred.
- E_INVALIDARG
- ppDataSource was a null pointer.
- E_NOINTERFACE
- The object that created this session did not support the interface specified in riid.
See Also
ICommand::GetDBSession | IRowsetInfo::GetSpecification
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