Win32函数MySystemShutdown

BOOL MySystemShutdown()
{
	HANDLE hToken;
	TOKEN_PRIVILEGES tkp;

	// Get a token for this process.
	if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
		return( FALSE );

	// Get the LUID for the shutdown privilege.
	LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &tkp.Privileges[0].Luid);
	tkp.PrivilegeCount = 1;  // one privilege to set
	tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

	// Get the shutdown privilege for this process.
	AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);
	if (GetLastError() != ERROR_SUCCESS)
		return FALSE;

	// Shut down the system and force all applications to close.
	if (!ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,
									SHTDN_REASON_MAJOR_OPERATINGSYSTEM |
									SHTDN_REASON_MINOR_UPDATE |
									SHTDN_REASON_FLAG_PLANNED))
		return FALSE;

	return TRUE;
}