using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;
using System.Runtime.InteropServices;
using System.IO;
using System.Threading;
using System.Diagnostics;
// 锁定计算机.
[DllImport("user32.dll")]
private static extern void LockWorkStation();//须写extern
private void button1_Click(object sender, EventArgs e)
{
LockWorkStation();
}
//注销计算机
[DllImport("user32.dll", EntryPoint = "ExitWindowsEx", CharSet = CharSet.Ansi)]
private static extern int ExitWindowsEx(int a,int b);
private void button1_Click(object sender, EventArgs e)
{
ExitWindowsEx(0, 0);
}