void OnDownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
DownloadFileInfo file = e.UserState as DownloadFileInfo;
fileReciveCount += e.BytesReceived;
FileProgress.Draw(file.FileName, fileReciveCount, file.Size);
}
void OnDownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
DownloadFileInfo file = e.UserState as DownloadFileInfo;
//nDownloadedTotal += file.Size;
mCurrentCount++;
TotalProgress.Draw(string.Format("下载总进度 {0}/{1}", mCurrentCount, mUpateCount), mCurrentCount, mUpateCount);
//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();
}
private void ProcDownload()
{
evtPerDonwload = new ManualResetEvent(false);
mCurrentCount = 0;
mUpateCount = this.downloadFileList.Count;
TotalProgress.Draw(string.Format("更新文件总进度 {0}/{1}", mCurrentCount, mUpateCount), mCurrentCount, mUpateCount);
while (!evtDownload.WaitOne(0, false))
{
if (this.downloadFileList.Count == 0)
{
break;
}
DownloadFileInfo file = this.downloadFileList[0];
fileReciveCount = 0;
FileProgress.Draw(file.FileName, fileReciveCount, file.Size);
//Debug.WriteLine(String.Format("Start Download:{0}", file.FileName));
//下载
clientDownload = new WebClient();
clientDownload.DownloadProgressChanged += new DownloadProgressChangedEventHandler(OnDownloadProgressChanged);
clientDownload.DownloadFileCompleted += new AsyncCompletedEventHandler(OnDownloadFileCompleted);
evtPerDonwload.Reset();
string tmpfilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, file.FileFullName + ".tmp");
FileInfo fileInfo = new FileInfo(tmpfilePath);
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}
clientDownload.DownloadFileAsync(new Uri(file.DownloadUrl), tmpfilePath, 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();
}
