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                //DownloadProgressChanged

                //DownloadStringCompleted 

                //OpenReadCompleted

                //OpenWriteCompleted

                 //UploadProgressChanged

                 //UploadStringCompleted

                 //  WriteStreamClosed

     

               // DownLoadStringAsnc

                //OpenReadAsync

                //UpLoadStringAsync

                //OpenWriteAsync

                WebClient client = new WebClient();

                if (client.IsBusy)

                    client.CancelAsync();

                client.OpenReadCompleted+=new OpenReadCompletedEventHandler(client_OpenReadCompleted);

                client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);

                client.OpenReadAsync(new Uri("path"));

     

            }

            private void client_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)

            {

                BitmapImage bitmap = new BitmapImage();

                bitmap.SetSource(e.Result);

                Image1.Source = bitmap;

             

            }

            private void client_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)

            {

                int percent = e.ProgressPercentage;

                long recieve = e.BytesReceived;

                long total = e.TotalBytesToReceive;

     

            }

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  • 原文地址:https://www.cnblogs.com/lifeOfIT/p/2528875.html
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