Callback for a Requestor when the DOFOperation, representing the Session, has timed out or is cancelled.
The session object (returned by SessionOpen) no longer can be used to source requests
This callback may be NULL to ignore completion of the session.
- Parameters
-
| self | The callback object. This will never be NULL. |
| operation | The Session Operation that is complete. This will never be NULL. |
| except | An exception causing the completion of the Operation. If NULL, no exception occurred (the operation completed normally). |
