我有一些代码正在使用Task它会在短时间内延迟从串行读取操作返回结果，如下所示:voidReturnResponseAfterAShortDelay(){if(delayedResponseCancellationTokenSource!=null)delayedResponseCancellationTokenSource.Cancel();//Cancelanypendingoperationsandstartanewone.delayedResponseCancellationTokenSource=newCancellationTokenSource();log.InfoFor