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 command object that created the dataset.
HRESULT GetSpecification ( REFIID riid, IUnknown ** ppSpecification);
Parameters
- riid
- [in] The IID of the interface on which to return a pointer.
- ppSpecification
- [out] A pointer to memory in which to return the interface pointer. If the provider does not have an object that created the dataset, it sets ppSpecification to a null pointer and returns S_FALSE. If IMDDataset::GetSpecification fails, it must attempt to set ppSpecification to a null pointer.
Return Code
- S_OK
- The method succeeded.
- S_FALSE
- The provider does not have a command object that created the dataset.
- E_FAIL
- A provider-specific error occurred.
- E_INVALIDARG
- ppSpecification was a null pointer.
- E_NOINTERFACE
- The object that created this dataset did not support the interface specified in riid.
Comments
This method makes no logical change to the state of the current dataset.
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