public ChatClient(TcpClient tcpClient, ChatServer chatServer)
 {
     ID = Guid.NewGuid().ToString();
     client = tcpClient;
     server = chatServer;
     chatServer.AddConnection(this);
 }
 static void Main(string[] args)
 {
     try
     {
         server = new ChatServer();
         listenThread = new Thread(new ThreadStart(server.Listen));
         listenThread.Start();
     }
     catch(Exception ex)
     {
         server.Disconnect();
         Console.WriteLine(ex.Message);
     }
 }