Код

DWORD WINAPI CTimer::TimerThread(LPVOID lpParameter)
{
	DWORD LastTickCount = ::GetTickCount();
	do
	{
		DWORD NewTickCount = ::GetTickCount();
		if(abs(NewTickCount - LastTickCount) >= GLOBAL_TIMER_DELAY)
		{
			LastTickCount = NewTickCount;
			if(CTimer::m_hMutex && ::WaitForSingleObject(CTimer::m_hMutex, MUTEX_DELAY) == WAIT_OBJECT_0)
			{
				::PostThreadMessage(m_ParentThreadId, WM_VXPTIMER, 0, NULL);

				::ReleaseMutex(CTimer::m_hMutex);
			}
		}
		Sleep(GLOBAL_TIMER_DELAY);
	}
	while(CTimer::m_hMutex && !CTimer::m_bTerminate);
	CTimer::m_bTerminate = false;
	return 0;
}
 

Код

hTimerHook = ::SetWindowsHookEx(WH_GETMESSAGE, TimerHook, NULL, ::GetCurrentThreadId()); 

Код

LRESULT CALLBACK TimerHook(int code, WPARAM wp, LPARAM lp)
{
	MSG* wpstr = (MSG*)lp;
	UINT uMsg = wpstr->message;

	if(uMsg == WM_VXPTIMER)
	{
		// Обработчик таймера
	}

	return ::CallNextHookEx(hMenuHook, code, wp, lp);
}