关于WebClient的DownloadFileAsync问题，内存释放不了。

2013-03-19 07:41:28 2.9k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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private void OnDownloadFileCompleted(object sender, AsyncCompletedEventArgs e)

        {







          

           MessageBox.Show("Saved to desktop!!");

            System.Threading.Thread.Sleep(2000);



            ws.Dispose();

         // Marshal.FinalReleaseComObject(ws);





        }

        WebClient ws = new WebClient();

        string path = (Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\sometimes");

                 private void button1_Click(object sender, EventArgs e)

        {

            if (!Directory.Exists(path))

            {



                Directory.CreateDirectory(path);

            }

            System.Threading.Thread.Sleep(2000);

            ws.DownloadFileAsync(new Uri("http://zl.hwpan.com/u1643017/pictures.rar"), path + "\\picture.rar");

            ws.DownloadFileCompleted += new AsyncCompletedEventHandler(OnDownloadFileCompleted);

        }