Begins a task for appointment rebasing given a list of appointments, usually obtained from EndEnumerateAppointments.
[in] Optional. Pointer to a rebase task progress function to receive progress. PFNREBASETASKPROGRESS is defined in tzmovelib.h.
[out] Optional. Pointer to a rebase task completion function to receive notification of rebase completion. PFNREBASETASKCOMPLETE is defined in tzmovelib.h.
[out] Required. Pointer to a pointer to the returned context. This context will usually be passed to EndRebaseAppointments.
The function call is successful.
This task runs on a new thread.