WinView - Client side

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net;
using System.Net.Sockets;

namespace WinView___Client
{
    class Program
    {
        static void Main(string[] args)
        {
            bool isConnected = false;
            bool isQuited = false;
            while (!isConnected)
            {
                TcpClient tcpclient = new TcpClient("127.0.0.1", 1200);
                Console.WriteLine("Trying to connect...");
                NetworkStream stream = tcpclient.GetStream();
                Console.WriteLine("Connected to server!");
                isConnected = true;
                while (!isQuited)
                {
                    string clientCommand = Console.ReadLine();
                    byte[] clientCommandByte = Encoding.Unicode.GetBytes(clientCommand);

                    if (clientCommand != "!quit")
                    {
                        stream.Write(clientCommandByte, 0, clientCommandByte.Length);
                        Console.WriteLine(clientCommand);
                    }
                    else
                    {
                        string quitMessage = "Client has been disconnected!";
                        byte[] quitMessagebyte = Encoding.Unicode.GetBytes(quitMessage);
                        stream.Write(quitMessagebyte, 0, quitMessagebyte.Length);
                        tcpclient.Close();
                        isQuited = true;
                    }

                }
            }

        }
    }
}