As far as VB.NET is concerned, COM is COM. As it could be any number of things, your best bet is to look at the main InterOp site on MSDN and see how the samples work. Once you get them working, you can look at your particular issue.
Related Q&A from John Robbins
What is a JAD session? This term is referred to often in job postings and seems like some kind of brainstorm you carry out with a client to define IT...continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.