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 重啟遠程計算機
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btn_ReBoot_Click(object sender, EventArgs e)
        {
            //定義連接遠程計算機的一些選項
            ConnectionOptions options = new ConnectionOptions();
            options.Username = textBox2.Text;
            options.Password = textBox3.Text;
            ManagementScope scope = new ManagementScope("////" + textBox1.Text + "//root//cimv2", options);
            try
            {
                //用給定管理者用戶名和口令連接遠程的計算機
                scope.Connect();
                ObjectQuery oq = new ObjectQuery("select * from win32_OperatingSystem");
                ManagementObjectSearcher query1 = new ManagementObjectSearcher(scope, oq);
                ManagementObjectCollection queryCollection1 = query1.Get();
                foreach (ManagementObject mo in queryCollection1)
                {
                    string[] ss ={ "" };
                    if (comboBox1.Text == "重新啟動")
                    {
                        mo.InvokeMethod("Reboot", ss);
                    }
                    if (comboBox1.Text == "關閉計算機")
                    {
                        mo.InvokeMethod("Shutdown",ss);
                    }
                    //if (comboBox1.Text == "注銷")
                    //{
                    //    mo.InvokeMethod("Logoff", ss);
                    //}
                }
            }
            catch (Exception er)
            {
                MessageBox.Show("連接" + textBox1.Text + "出錯，出錯信息為：" + er.Message);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            comboBox1.Items.Add("重新啟動");
            comboBox1.Items.Add("關閉計算機");
            //comboBox1.Items.Add("注銷");
        }

    }
}