// aplikacja serwera
public NetworkServer(string adressIp, int port)
{
    _ipAddress = IPAddress.Parse(adressIp);
    try
    {
        _tcpListener = new TcpListener(_ipAddress, port);
        _tcpListener.Start(1);
        Console.WriteLine($"Waiting for connection: {_ipAddress}:{port}");
        _tcpClient = _tcpListener.AcceptTcpClient();
        Console.WriteLine("Player 2 connected:");
    }
    catch (Exception e)
    {
        Console.WriteLine(e.ToString());
    }
}

// aplikacja klienta
public NetworkClient(string serverAdressIp, int port)
{
    try
    {
        Console.WriteLine($"client connecting to: {serverAdressIp}:{port}");
        _tcpClient = new TcpClient(serverAdressIp, port);

        Console.WriteLine("connected as player 2!");
    }
    catch (Exception e)
    {
        Console.WriteLine(e.ToString());
    }
}