private void MainWindow_Load(object sender, EventArgs e)
        {
            serv = new Serveur();
            refresh_Click(null, null);

            ipAdressTB.Text = serv.getIpAdress();
            portTB.Text = serv.getPortValide() + "";
            errorPortL.Hide();
        }
 private void stopServeur_Click(object sender, EventArgs e)
 {
     if (myServeurThread != null)
     {
         myServeurThread.Abort();//fonctionne pas car startListner bloquant
         serv = new Serveur();
     }
     startServeur.Enabled = true;
 }