static void Main(string[] args)
{
TCPServer serv = new TCPServer();
serv.messageReceived += Console.WriteLine;
//serv.StartServer();
Thread td = new Thread(serv.StartServer);
td.Start();
TCPClient client = new TCPClient("127.0.0.1");
client.Connect();
client.send("Hallo Welt");
Console.ReadLine();
}