addr = new System.Net.IPAddress(Dns.GetHostEntry(Dns.GetHostName()).AddressList[0].GetAddressBytes());

            return addr.ToString();

        }

        public void stop()

        {

            rev_data_thread.Abort();

            rev_data_udp.Close();

        }

}

}

private void button1_Click(object sender, EventArgs e)//屏幕监控按钮

        {

            if (textBox1.Text.Length < 5)

            {

                MessageBox.Show("被监控的客户端IP地址不允许空", "确信正确", MessageBoxButtons.OK);

                return;

            }

            Program.order_string = "";//命令串，代表发送指令内容，为空则不操作客户端

            rev_thread.send_monitor_to_client(comboBox1.Text, textBox1.Text);

        }

private void button3_Click(object sender, EventArgs e)

        {

            if (textBox1.Text.Length < 5)

            {

                MessageBox.Show("被监控的客户端IP地址不允许空", "确信正确", MessageBoxButtons.OK);

                return;