我想中止该过程但无法这样做，我正在使用后台工作程序和我的处理功能。publicvoidInit(){bw=newBackgroundWorker();bw.WorkerSupportsCancellation=true;bw.DoWork+=newDoWorkEventHandler(bw_DoWork);bw.RunWorkerCompleted+=newRunWorkerCompletedEventHandler(bw_RunWorkerCompleted);}voidbw_DoWork(objectsender,DoWorkEventArgse){if(bw.Cancellati