return;

            }

            Program.order_string = "RESTART";

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

        }

        private void button7_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;

            }

            Program.order_string = "NO LINK";

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

        }

        private void button8_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;

            }

            Program.order_string = "LOGOUT";

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

        }   

1、、客户端接收线程部分程序代码：

  using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;//用于处理文本的

using System.Threading;