I think I will probably try the wait and check solution. I was already leaning towards this solution of having the C program generate a indicator text file when complete.
It doesn't have to be very elegant. Implementing my professor's reseach, so as long as it works reasonably well, it'll do. Problem is that I'm not familar with C++ and only somewhat competent in VBA. so I'm contented with relatively simple tricks here.
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