IAsyncResult IAnnouncementContractCD1.BeginHelloOperation(HelloMessageCD1 message, AsyncCallback callback, object state) { return(new HelloOperationCD1AsyncResult(this, message, callback, state)); }
void IAnnouncementContractCD1.HelloOperation(HelloMessageCD1 message) { Fx.Assert("The [....] method IAnnouncementContractCD1.HelloOperation must not get invoked. It is marked with PreferAsyncInvocation flag."); }