.NET 3.x Не работает StreamReader/StreamWriter с NetworkStream - C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net;
using System.Net.Sockets;
 
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            TcpClient client = new TcpClient();
            Socket clientsocket = client.Client;
            NetworkStream stream;
            StreamReader reader;
            StreamWriter writer;
 
            client.Connect(new IPEndPoint(IPAddress.Loopback, 9001));
            stream = new NetworkStream(clientsocket);
            reader = new StreamReader(stream);
            writer = new StreamWriter(stream);
 
            Console.WriteLine("Successfuly connected to server.");
            Console.WriteLine("Reading messages...");
 
            while (true)
            {
                while (!stream.DataAvailable) ;
                Console.Write("Received message: '" + reader.ReadLine() + "'");
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Net;
using System.Net.Sockets;
 
namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            TcpListener listener = new TcpListener(IPAddress.Loopback, 9001);
            TcpClient client;
            Socket socket;
            NetworkStream stream;
            StreamReader reader;
            StreamWriter writer;
 
            Console.WriteLine("Waiting for connect client...");
            listener.Start();
            client = listener.AcceptTcpClient();
            socket = client.Client;
            stream = new NetworkStream(socket);
            reader = new StreamReader(stream);
            writer = new StreamWriter(stream);
            writer.AutoFlush = true;
            Console.WriteLine("Client " + socket.LocalEndPoint.ToString() + " connected.");
 
            while (true)
            {
                Console.WriteLine("Please enter the message and press ENTER.");
                writer.Write(Console.ReadLine());
                stream.
            }
        }
    }
}