Re: problem CreateTimerQueue() in InitInstance

From:
"Alexander Grigoriev" <alegr@earthlink.net>
Newsgroups:
microsoft.public.vc.mfc
Date:
Sat, 1 Nov 2008 15:05:13 -0700
Message-ID:
<eH5Yt3GPJHA.3448@TK2MSFTNGP02.phx.gbl>
InitInstance of a DLL is called on DllMain time, when you are very
restricted in what you can call.

"celiro" <celiro@tiscali.it> wrote in message
news:a23527b3-5f62-4a55-a6d3-1157404353ee@x16g2000prn.googlegroups.com...

I have a MFC dll (no window objects, only CWinApp) and I wish to
include some clock mechanism, having not CWnd derived objects I have
not access to SetTimer() etc. so I considered CreateTimerQueue() +
CreateTimerQueueTimer, see the code below, the code compiles
(VS2008SP1) without warnings but once started CreateTimerQueue()
appears to deadlock the system, I would guess the problem is related
to InitInstance() but I am not sure, also I have no idea about
alternative CWinApp methods which I could use to start the timer, any
suggestions ?
Thank you.

//--------------------------------------------------------------------------
// DLL initialization goes here
// so include the code to start timers
//
BOOL Mydll::InitInstance()
{
// start clock
// Create the timer queue.
hTimerQueue = CreateTimerQueue();
if (hTimerQueue != NULL)
   {
   CreateTimerQueueTimer(&hTimer,
                   hTimerQueue,
                         (WAITORTIMERCALLBACK)TimerProc,
   0, // no values to TimerProc
   1000, // first call (1000 ms)
   1000, // timer period (1000 ms)
   0);
   }

return(TRUE);
}

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