delegate void AfArch.AfDal.StatusNotifier string  service,
RequestStage  stage,
int  pendingTask,
IntPtr  userData

Delegate definition for request status notification.

This delegate is used at RequestNotifier.StatusSet. See also afdal_request_notifier_status_set and AfDalRequestNotifierStatus.

service The service which has registered a change.
stage The stage notified.
pendingTask How many pending task are currently waiting to receive a reply.
userData User defined data (do not use this value, it will be ignored)