IAsyncResult IAnnouncementContractCD1.BeginByeOperation(ByeMessageCD1 message, AsyncCallback callback, object state) { return(new ByeOperationCD1AsyncResult(this, message, callback, state)); }
void IAnnouncementContractCD1.ByeOperation(ByeMessageCD1 message) { Fx.Assert("The [....] method IAnnouncementContractCD1.ByeOperation must not get invoked. It is marked with PreferAsyncInvocation flag."); }