public void bgworkerStartDownload_DoWorkHandler(object sender, DoWorkEventArgs e)
{
BackgroundWorker bgworkerStartDownload = sender as BackgroundWorker;
Dictionary<string, string> fileInfo = (Dictionary<string, string>)e.Argument;
Dictionary<string, string> asyncResult = new Dictionary<string, string>();
asyncResult.Add("IsCompleted", "false");
asyncResult.Add("FileId", fileInfo["FileId"]);
asyncResult.Add("LocalFilePath", "");
// Asynchronous FTP Download
Chilkat.Ftp2 ftp = new Chilkat.Ftp2();
bool success;
success = ftp.UnlockComponent(GlobalHelper.ComponentCode);
if (success != true)
{
MessageBox.Show(ftp.LastErrorText);
return;
}
ftp.Hostname = GlobalHelper.FtpHost;
ftp.Username = GlobalHelper.FtpUsername;
ftp.Password = GlobalHelper.FtpPasswrod;
// Resume download
ftp.RestartNext = true;
// Connect and login to the FTP server.
success = ftp.Connect();
if (success != true)
{
MessageBox.Show(ftp.LastErrorText);
return;
}
string localFilename = String.Format(@"{0}\{1}",fileInfo["LocalFilePath"], fileInfo["LocalFileName"]);
asyncResult["LocalFilePath"] = localFilename;
string remoteFilename = fileInfo["RemoteFilePath"];
long remoteFilesize = Convert.ToInt64(fileInfo["RemoteFileSize"]);
success = ftp.AsyncGetFileStart(remoteFilename, localFilename);
if (success != true)
{
MessageBox.Show(ftp.LastErrorText);
return;
}
while (ftp.AsyncFinished != true)
{
if (_cancelList.Contains(fileInfo["FileId"]))
{
ftp.AsyncAbort();
break;
}
if (File.Exists(localFilename))
{
FileInfo localFile = new FileInfo(localFilename);
double percentage = ((double)localFile.Length / (double)remoteFilesize) * 100;
bgworkerStartDownload.ReportProgress((int)percentage);
}
// Sleep 0.5 second.
ftp.SleepMs(500);
}
bool downloadSuccess = false;
// Did the download succeed?
if (ftp.AsyncSuccess == true)
{
downloadSuccess = true;
bgworkerStartDownload.ReportProgress(100);
asyncResult["IsCompleted"] = "true";
}
else
{
}
ftp.Disconnect();
ftp.Dispose();
if (downloadSuccess)
{
File.Move(localFilename, localFilename.Replace(GlobalHelper.TempDownloadFileExt, String.Empty));
}
e.Result = asyncResult;
}