Regarding the return value of IsCancelled for FindItem in EWS

Sakamoto 0

Since around 10/29, the return value of IsCancelled has returned the following.

'appt.IsCancelled' threw an exception of type 'Microsoft.Exchange.WebServices.Data.ServiceObjectPropertyException'

■Confirmation

The return value of the isCancelled property (type: BOOL) of the Appointment class obtained by the FindItems method is a string.

The timing is such that the property value contains a string around 10/29,

Are there any specification changes or errors in the FindItems method, Appointment class, or isCancelled property?

Environment: Exchange Server: 2013

Connection method: client secret

Permissions: full_access_as_app

-------------Add info-------------

var eventIsCancelled = evnt.TryGetProperty(AppointmentSchema.IsCancelled, out PropVal) ? evnt.IsCancelled : false;

That code gets the value of IsCancelled from TryGetProperty of the Appointment class and sets the value to eventIsCancelled.

As a result, if Ture or False is returned, it can be retrieved.

Do you know why it is now possible to retrieve the code?

I asked other QA.

Alex Zhang-MSFT 1,915 Reputation points Microsoft Vendor

2024-11-11T08:10:55.59+00:00

Hello, @Sakamoto,

Based on your description, the Microsoft Exchange Online tag focuses on general questions about Exchange Online. Your question is more related to EWS API. To better solve your problem, it is recommended to add an Exchange Server Development tag for more professional guidance.

Thank you for your understanding and support.

Best Wishes,

Alex Zhang
Sakamoto 0 Reputation points

2024-11-11T08:39:53.3+00:00

Thank you, I will remover the Microsoft Exchange Online tag.
I try to add Exchange development tag.
Sakamoto 0 Reputation points

2024-11-13T08:14:27.4566667+00:00

I did not add Exchange development tag, that tag is not in tag list.
Alex Zhang-MSFT 1,915 Reputation points Microsoft Vendor

2024-11-13T08:20:53.1833333+00:00

Hello, @Sakamoto,

I have added the correct tags for you.

Since your question has been posted for a while, if you are in a hurry about this question, I would suggest you to select only the following tags and re-post your question, it will help you to get a more precise answer.

Best,

Alex Zhang

Your answer