摘要： progressBar1.Style = System.Windows.Forms.ProgressBarStyle.Marquee;BackgroundWorker bgwbgw.WorkerSupportsCancellation = true;bgw.DoWork += new DoWorkEventHandler(bgw_DoWork);protected void bgw_DoWork(object sender, DoWorkEventArgs e){ BackgroundWorker worker = sender as BackgroundWorker; while (... 阅读全文