Accessing varibles in a DLL from VB in run-time.

I am in the process of creating an ATL COM Dll that I call from VB.

The DLL sets up Windows Sockets, and processes messages received. I'm receiving from a constant data source, so I'm not interested in exiting from the DLL quickly.

I am interested in viewing variables as the DLL is running - like a counter value.

I'm in the process of introducing threading, or wrapping the DLL in an ActiveX exe so that control returns to the VB Gui immediately, but I still want to keep tabs on the DLL, and I'm not sure how.

Any ideas? I'm not having much luck with MSDN.

Assuming the com dll is able to report almost constant data, you might want to look at implementing IConnectionPoint & IConnectionPointContainer.

That way the component has an interface from the client that it uses to report events......so instead of the client controling the server to obtain data, the server reports changes to the client as and when nessasary.

Not usre if you can implement this in VB though...but if you are happy with ATL, why the hell dont you just use MFC?