Bring window to the top front accepting user input by code

bringToFront.cpp

void SetForegroundWindowInternal(HWND hWnd)
{
	if (!::IsWindow(hWnd)) return;

	BYTE keyState[256] = { 0 };
	//to unlock SetForegroundWindow we need to imitate Alt pressing
	if (::GetKeyboardState((LPBYTE)&keyState))
	{
		if (!(keyState[VK_MENU] & 0x80))
		{
			::keybd_event(VK_MENU, 0, KEYEVENTF_EXTENDEDKEY | 0, 0);
		}
	}

	::SetForegroundWindow(hWnd);

	if (::GetKeyboardState((LPBYTE)&keyState))
	{
		if (!(keyState[VK_MENU] & 0x80))
		{
			::keybd_event(VK_MENU, 0, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
		}
	}
}

//void SetForegroundWindowInternal(HWND hWnd)
//{
//	if (!::IsWindow(hWnd)) 
//		return;
//
//	//relation time of SetForegroundWindow lock
//	DWORD lockTimeOut = 0;
//	HWND  hCurrWnd = ::GetForegroundWindow();
//	DWORD dwThisTID = ::GetCurrentThreadId(),
//		dwCurrTID = ::GetWindowThreadProcessId(hCurrWnd, 0);
//
//	//we need to bypass some limitations from Microsoft :)
//	if (dwThisTID != dwCurrTID)
//	{
//		::AttachThreadInput(dwThisTID, dwCurrTID, TRUE);
//
//		::SystemParametersInfo(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, &lockTimeOut, 0);
//		::SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, 0, SPIF_SENDWININICHANGE | SPIF_UPDATEINIFILE);
//
//		::AllowSetForegroundWindow(ASFW_ANY);
//	}
//
//	::SetForegroundWindow(hWnd);
//
//	if (dwThisTID != dwCurrTID)
//	{
//		::SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, (PVOID)lockTimeOut, SPIF_SENDWININICHANGE | SPIF_UPDATEINIFILE);
//		::AttachThreadInput(dwThisTID, dwCurrTID, FALSE);
//	}
//}