概述
- using System.Runtime.InteropServices;
- namespace HookDemo
- {
- class WindowsExit
- {
- [StructLayout(LayoutKind.Sequential, Pack = 1)]
- private struct TokPriv1Luid
- {
- public int Count;
- public long Luid;
- public int Attr;
- }
- [DllImport("kernel32.dll", ExactSpelling = true)]
- private static extern IntPtr GetCurrentProcess();
- [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
- private static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);
- [DllImport("advapi32.dll", SetLastError = true)]
- private static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);
- [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
- private static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall,
- ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen);
- [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
- private static extern bool ExitWindowsEx(int DoFlag, int rea);
- [DllImport("user32.dll")]
- public static extern void LockWorkStation();
- private const int SE_PRIVILEGE_ENABLED = 0x00000002;
- private const int TOKEN_QUERY = 0x00000008;
- private const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
- private const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
- private const int EWX_LOGOFF = 0x00000000;
- private const int EWX_SHUTDOWN = 0x00000001;
- private const int EWX_REBOOT = 0x00000002;
- private const int EWX_FORCE = 0x00000004;
- private const int EWX_POWEROFF = 0x00000008;
- private const int EWX_FORCEIFHUNG = 0x00000010;
- private static bool DoExitWin(int DoFlag)
- {
- bool ok;
- TokPriv1Luid tp;
- IntPtr hproc = GetCurrentProcess();
- IntPtr htok = IntPtr.Zero;
- ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
- tp.Count = 1;
- tp.Luid = 0;
- tp.Attr = SE_PRIVILEGE_ENABLED;
- ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
- ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
- ok = ExitWindowsEx(DoFlag, 0);
- return ok;
- }
- /// <summary>
- /// 锁定计算机
- /// </summary>
- public static void Lock()
- {
- LockWorkStation();
- }
- /**/
- /// <summary>
- /// 重新启动
- /// </summary>
- public static bool Reboot()
- {
- return DoExitWin(EWX_FORCE | EWX_REBOOT);
- }
- /**/
- /// <summary>
- /// 关机
- /// </summary>
- public static bool PowerOff()
- {
- return DoExitWin(EWX_FORCE | EWX_POWEROFF);
- }
- /**/
- /// <summary>
- /// 注销
- /// </summary>
- public static bool LogOff()
- {
- return DoExitWin(EWX_FORCE | EWX_LOGOFF);
- }
- }
- }
最后
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