Recurrences do not exist as independent instances of an appointment. They
only exist as calculations based on the master appointment's
RecurrencePattern. The Exceptions collection contains those calculated
instances that were modified or deleted. That's the way it is and has been
since Schedule+, it cannot be changed without breaking all existing
recurring items and recurrence code.

Based on the information in this thread you should be able to identify which
occurrences were modified, which were deleted and which have the original
settings. It takes work to do that but that's life. That you can't get an
individual EntryID is due to the nature of the design but hasn't handicapped
other developers working with recurrences.

What you want does not exist. Therefore you either can't do what you want,
must change how you synch or come up with some other workaround.

There are many problems with the existing implementation, but again that's
not changing.

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Professional Programming Outlook 2007.
Reminder Manager, Extended Reminders, Attachment Options.
http://www.slovaktech.com/products.htm


"Jason" wrote in message
...
Let me clarify again. I need to be able to identify the item that was
modified or deleted, in other words, I need the ID of single occurrence,
otherwise I can not sync it with other applications. Unfortunately, the ID
is not there. EntryID is just for the whole series. There is no ID for
each occurrence. (ID may be hidden) There is no way to know which item was
modified or deleted. Although it does not matter to work on Outlook itself
as you have done, there is no way to sync Outlook's single occurence with
other application. We can only fall back, treating recurrence as a whole.

In addition to this limitation, Outlook's recurrence design also has
another big problem.