Thanks for the link, Sergey. That's exactly what I found out. Since I need to have the COM server in process, I will put the timer in the calling exe and simply fire a method in the COM object from there.

Thanks,
Armin

>Looks like timer doesn't work in COM DLL. See Timer in st- or mt dll Thread #615249 and Re: How does timer work Thread #636691 Message #637350.