Returns whether an update to calendar information is in progress. Returns true while the client is synchronizing its calendar information from the server; e.g. after calling CalendarOpenEvent, CalendarAddEvent, or CalendarUpdateEvent. During such periods, using other calendar API functions to query or change event information may not have valid orexpected results.
See also Calendar functions.
Signature:
isPending = CalendarIsActionPending()
Returns:
isPending- True if an update to calendar information is in progress; otherwise false (boolean)