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FtpWebRequest downloadRequest = (FtpWebRequest)WebRequest.Create(downloadUrl);
downloadRequest.Method = WebRequestMethods.Ftp.DownloadFile;
FtpWebResponse downloadResponse = (FtpWebResponse)downloadRequest.GetResponse();
responseStream = downloadResponse.GetResponseStream();
fileStream = File.Create(saveFileUrl);
byte[] buffer = new byte[1024];
int bytesRead;
while (true)
{
bytesRead = responseStream.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
break;
fileStream.Write(buffer, 0, bytesRead);
}
