[out] Required. A pointer to an HRESULT to retrieve the results of the enumeration operation.
ppError
[out] Optional. A pointer to a pointer to a MAPIERROR structure to retrieve extended error information.
ppRows
[out] Required. A pointer to a pointer to an SRowSet structure that describes the appointments that need rebasing. This structure will usually be passed to IOlkApptRebaser::BeginRebaseAppointments.