>Yes I think. From C# I consistently got response all the time. VB version was somewhat flaky. MSDN documentation clearly says it's a PULARGE_INTEGER and should not be used as integer.
>VB doesn't support int64??? I would then switch to C# or C++ as quickly as possible (IMHO days for 64bits computing are counted).

Well, when I put Int64, the designer was complaining. So, I had to put something else. I will see if I can put something else than Double there.