Пример #1
0
        private void ProcDownload()
        {
            evtPerDonwload = new ManualResetEvent(false);

            foreach (DownloadFileInfo file in this.downloadFileList)
            {
                total += file.Size;
            }


            while (!evtDownload.WaitOne(0, false))
            {
                if (this.downloadFileList.Count == 0)
                {
                    break;
                }

                DownloadFileInfo file = this.downloadFileList[0];


                //Debug.WriteLine(String.Format("Start Download:{0}", file.FileName));

                this.ShowCurrentDownloadFileName(file.FileName);

                //下载
                clientDownload = new WebClient();

                clientDownload.DownloadProgressChanged += new DownloadProgressChangedEventHandler(OnDownloadProgressChanged);
                clientDownload.DownloadFileCompleted   += new AsyncCompletedEventHandler(OnDownloadFileCompleted);

                evtPerDonwload.Reset();

                clientDownload.DownloadFileAsync(new Uri(file.DownloadUrl), Path.Combine(AppDomain.CurrentDomain.BaseDirectory, file.FileFullName + ".tmp"), file);

                //等待下载完成
                evtPerDonwload.WaitOne();

                clientDownload.Dispose();
                clientDownload = null;

                //移除已下载的文件
                this.downloadFileList.Remove(file);
            }

            //Debug.WriteLine("All Downloaded");

            if (this.downloadFileList.Count == 0)
            {
                Exit(true);
            }
            else
            {
                Exit(false);
            }

            evtDownload.Set();
        }
Пример #2
0
        void OnDownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
        {
            DownloadFileInfo file = e.UserState as DownloadFileInfo;

            nDownloadedTotal += file.Size;
            this.SetProcessBar(0, (int)(nDownloadedTotal * 100 / total));
            //Debug.WriteLine(String.Format("Finish Download:{0}", file.FileName));
            //替换现有文件
            string filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, file.FileFullName);

            if (File.Exists(filePath))
            {
                if (File.Exists(filePath + ".old"))
                {
                    File.Delete(filePath + ".old");
                }

                File.Move(filePath, filePath + ".old");
            }

            File.Move(filePath + ".tmp", filePath);
            //继续下载其它文件
            evtPerDonwload.Set();
        }