Yes, check out http://www.theproblemsolver.nl/aspdevelopmentanddebugging/index.htm
Talks about debugging COM servers with ASP but it should apply regardless of where it's called from. Note: only works with VFP 7 or above and windows 2000 - I think he's working on getting it to work with XP too. Uses the Test Harness API...
>Hi, does anyone knows how can I debug a vfp COM server? because the entire build/register/test process is a pain.
>
>thanks in advance
>Héctor L.