using System;
        using System.Collections.Generic;
        using System.ComponentModel;
        using System.Data;
        using System.Drawing;
        using System.Text;
        using System.Windows.Forms;
        using System.Management;
        namespace Ex18_11
        {
            public partial class Form1 : Form
            {
                public Form1()
                {
                    InitializeComponent();
                }
                private void button1_Click(object sender, EventArgs e)
                {
                    //指定生成 WMI 连接所需的所有设置
                    ConnectionOptions op = new ConnectionOptions();
                    op.Username = "administrator";
                    //远程计算机用户名称
                    op.Password = "12345";　　　
                    //远程计算机用户密码
                    //设置操作管理范围
                    ManagementScope scope = new ManagementScope("\\\\" + "121.35.174.154" + "\\root\\cimv2", op);
                    scope.Connect();
                    //将此 ManagementScope 连接到实际的 WMI 范围。
                    ObjectQuery oq = new ObjectQuery("SELECT * FROM Win32_OperatingSystem");
                    ManagementObjectSearcher query = new ManagementObjectSearcher(scope, oq);
                    //得到WMI控制
                    ManagementObjectCollection queryCollection = query.Get();
                    foreach (ManagementObject obj in queryCollection)
                    {
                        obj.InvokeMethod("ShutDown", null); //执行关闭远程计算机,reboot为重新启动
                    }
                }
            }
        }