This handler updates an existing recurring appointment in Microsoft Exchange.This handle affects all occurrences of the recurring appointment.
If the exchange appointment is successfully updated, no out is returned. To make changes to an individual occurrence within a recurring event, use the 'Exchange Appointment Find Occurrence' combined with the 'Exchange Appointment Update' handlers.
For an update, the only data that needs to be entered is the Appointment ID and the Send Invitations fields.
Now the updated item is a meeting with an organizer etc... However to answer this properly you actually need to get the attendee state loaded. Count == 0)) else bool Has No Other Attendee(string email, Attendee Collection attendees) "Even though I get an exception, the item is saved and gets changed to have Is Meeting set to true!
So tig's answer works when you never want to send out appointment updates to the other attendees.
(To make changes to an individual occurrence within a recurring event, use the 'Exchange Appointment Find Occurrence' the 'Exchange Appointment Update' handlers.) This handler uses the Exchange Web Services (EWS) to update a recurring appointment in Exchange using the Viewpoint Ruby Gem.