在C#中以编程方式从Win XP注销用户

using System;
using System.Runtime.InteropServices;

public class LogoutUser
{
    [DllImport("user32.dll", SetLastError = true)]
    static extern bool ExitWindowsEx(uint uFlags, uint dwReason);

    const uint EWX_LOGOFF = 0x00000000;

    public static void Logout()
    {
        if (!ExitWindowsEx(EWX_LOGOFF, 0))
        {
            throw new Exception("注销失败，错误代码：" + Marshal.GetLastWin32Error());
        }
    }
}