VB6 - Program Communication

[DEXWERX]

The difficulties I ran into were constant crashing of the IDE while trying to troubleshoot code. Granted, I was not using anything like your subclassing DLL, which I presume protects the IDE. I briefly considered doing that myself, but time did not permit. I will take a closer look at your code.

J.A. Coutts

actually that's a good reason / issue I overlooked. Thanks to Elroy/Lavolpe (and previous experts) we have a good handle on the stability of the IDE using different subclassing methodologies. This particular instability is caused by your static callback (in the .bas module) continuously being called even when the IDE is paused. Elroy has some strategies he uses for mitigating this. My version of comctl32 subclassing would crash similarly to what you encountered. Your current method / standard subclassing is also not completely stable, but definitely crashes less so (at least it seems stable enough for you to get to root cause of a problem).

Thanks for elaborating!