BOOL ExitWindowsEx(
	UINT uFlags,     // shutdown operation
	DWORD dwReason   // shutdown reason
);

ExitWindowsEx(EWX_LOGOFF, 0); // 注销
ExitWindowsEx(EWX_REBOOT, 0); // 重启
ExitWindowsEx(EWX_SHUTDOWN, 0); // 关机

HANDLE hToken;
TOKEN_PRIVILEGES tkp;

if (FForce) // Forces processes to terminate
	FFlag |= EWX_FORCE;

// Get version info to determine operation
OSVERSIONINFO osvi;
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (GetVersionEx(&osvi) == 0)
	return false;

// Determine the platform
if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
	// Windows NT 3.51, Windows NT 4.0, Windows 2000,
	// Windows XP, or Windows .NET Server
	if (!OpenProcessToken(GetCurrentProcess(),
		TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
		return false;

	LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &tkp.Privileges[0].Luid);

	tkp.PrivilegeCount = 1;  // one privilege to set
	tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

	AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);
}

ExitWindowsEx(FFlag, 0);