I had to download all the files with file names in subdirectory from FTP server.Can any one help. The below code is reading line by line

// Create a FTPCredentials
FtpWebRequest ftpRequest = (FtpWebRequest)WebRequest.Create(strFTPServer + "/" + strRemoteDirectory + "/");
ftpRequest.Credentials = new NetworkCredential(strFTPUser, strFTPPassword);
ftpRequest.Method = WebRequestMethods.Ftp.ListDirectory;


// Associate the new Uri object to the myProxy object.
WebProxy myProxy = new WebProxy();                 
Uri newUri = new Uri(strProxyAddress);               
myProxy.Address = newUri;


// Create a NetworkCredential object.
myProxy.Credentials = new NetworkCredential(strUserName, strPassword);
ftpRequest.Proxy = myProxy;


//DownLoad  file
ftpRequest.Method = WebRequestMethods.Ftp.DownloadFile;
FtpWebResponse response = (FtpWebResponse)ftpRequest.GetResponse();
StreamReader streamReader = new StreamReader(response.GetResponseStream());


MemoryStream memStream = new MemoryStream();
List<string> directories = new List<string>();


string line = streamReader.ReadLine();
while (!string.IsNullOrEmpty(line))
{
    directories.Add(line);
    line = streamReader.ReadLine();
}