C# ClientFTP con libreria TCPClient

[ingant]

Ciao ragazzi. Ho la necessità di realizzare un client FTP utilizzando la libreria TCPClient. Più o meno ci son riuscito. infatti il mio programma apre una connessione con il server si logga ma non riesco a scaricare il file. Cosa sto sbagliando?Vi riporto di seguito il codice che sto usando

                    myClient = new TcpClient("XXXXXXXX", 21);                    
                    break;
              


            
            stream = myClient.GetStream();
            int sendOffset = 0;
            int recOffset=0;


            int dataLength;
            Byte[] receiveData = new Byte[256];




            // wait for a response
            dataLength = stream.Read(receiveData, recOffset, receiveData.Length);
            String recvdMessage = System.Text.Encoding.ASCII.GetString(receiveData, 0,                             dataLength);
            Console.WriteLine(recvdMessage.ToString());
             recOffset+=dataLength;




             String message = "USER root\r\n";
            Byte[] data = System.Text.Encoding.ASCII.GetBytes(message);


            //StreamWriter clientStrimWrite = new StreamWriter(stream);
            //clientStrimWrite.Write(message);


            stream.Write(data, 0, data.Length);
            sendOffset += data.Length;


            // wait for a response
            while (!stream.DataAvailable)
            {
            }
            dataLength = stream.Read(receiveData, 0, receiveData.Length);
            recvdMessage = System.Text.Encoding.ASCII.GetString(receiveData, 0, dataLength);
            Console.WriteLine(recvdMessage.ToString());


            message = "PASS  546\r\n";
            data = System.Text.Encoding.ASCII.GetBytes(message);
            stream.Write(data, 0, data.Length);


            // wait for a response
            while (!stream.DataAvailable)
            {
            }
            message = "CWD /sdcard\r\n";
            data = System.Text.Encoding.ASCII.GetBytes(message);
            stream.Write(data, 0, data.Length);


            // wait for a response
            while (!stream.DataAvailable)
            {
            }
            message = "TYPE I\r\n";
            data = System.Text.Encoding.ASCII.GetBytes(message);
            stream.Write(data, 0, data.Length);


            
            // wait for a response
            while (!stream.DataAvailable)
            {
            }
            message = "PASV\r\n";
            data = System.Text.Encoding.ASCII.GetBytes(message);
            stream.Write(data, 0, data.Length);


            // wait for a response
            while (!stream.DataAvailable)
            {
            }
            message = "Nome del file";
            data = System.Text.Encoding.ASCII.GetBytes(message);
            stream.Write(data, 0, data.Length);


            //Acquisizione file
            // wait for a response
           
            string _fileName = @"C:Cartella"\\" + "Nome del file";
            FileInfo _File = new FileInfo(_fileName);
            FileStream _FileStream = new FileStream(_File.FullName, FileMode.Create,                                     FileAccess.Write);
            byte[] buffer = new byte[256];
            int bytesRead = stream.Read(buffer, 0, buffer.Length);
            string responseData = System.Text.Encoding.ASCII.GetString(buffer, 0, bytesRead);
            //while (bytesRead != 0)
            var reader = new StreamReader(myClient.GetStream());
            while (myClient.Connected)
            {
                string line = reader.ReadLine();                
                //_FileStream.Write(buffer, 0, bytesRead);
                //bytesRead = stream.Read(buffer, 0, 2048);
            }
            _FileStream.Close();

Nel file che vien memorizzato sono riportate le istruzioni che ho inviato al server e non i dati che mi aspetto