Start button
        public void startserver_btn_Click(object sender, EventArgs e)
        {
            try
            {
                console_txt.AppendText(Environment.NewLine +"Started client based server....");
                Thread ServThread1 = CThread.Start(server3);
                stopsvr_btn.Visible = true;
                startserver_btn.Visible = false;
                console_txt.AppendText(Environment.NewLine + "Waiting for a connection... ");
            }
            catch (Exception)
            {
                console_txt.AppendText(Environment.NewLine + "ERROR");
            }
        }

stop button
        public void stopsvr_btn_Click(object sender, EventArgs e)
        {
            try
            {
                console_txt.AppendText(Environment.NewLine + "Stoping client based server....");
                ServThread1.Abort();
                console_txt.AppendText(Environment.NewLine + "Stoped client based server....");
                stopsvr_btn.Visible = false;
                startserver_btn.Visible = true;
            }
            catch (Exception)
            {
                console_txt.AppendText(Environment.NewLine + "ERROR");
            }
        }