download file from subfolders in ftp c#

// Get the object used to communicate with the server.
//Instead of ftp://www.contoso.com/test.htm you can try
//ftp://www.contoso.com/folder/test.htm or you can also try
//ftp://www.contoso.com/folder/subfolder/subfolder/test.htm

            FtpWebRequest request =    
(FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
            request.Method = WebRequestMethods.Ftp.DownloadFile;

            // This example assumes the FTP site uses anonymous logon.
            request.Credentials = new NetworkCredential ("anonymous","janeDoe@contoso.com");

            FtpWebResponse response = (FtpWebResponse)request.GetResponse();
    
            Stream responseStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(responseStream);
            Console.WriteLine(reader.ReadToEnd());

            Console.WriteLine("Download Complete, status {0}", response.StatusDescription);
    
            reader.Close();
            response.Close();