HRESULT GetColumns([in] DBORDINAL cColumns, [in, out, size_is(cColumns), annotation("__inout_ecount(cColumns)")] DBCOLUMNACCESS rgColumns[])
HRESULT Open([in, unique, annotation("__in_opt")] IUnknown *pUnkOuter, [in, annotation("__in")] DBID *pColumnID, [in, annotation("__in")] REFGUID rguidColumnType, [in] DWORD dwBindFlags, [in, annotation("__in")] REFIID riid, [out, iid_is(riid), annotation("__deref_opt_out")] IUnknown **ppUnk)
HRESULT GetSourceRowset([in, annotation("__in")] REFIID riid, [out, iid_is(riid), annotation("__deref_opt_out_opt")] IUnknown **ppRowset, [out, annotation("__out_opt")] HROW *phRow)