You're holding it the wrong way.
Threads are in processes, not the other way around, so it's hard to be sure what you're asking (have you confused the question, the concept or the helper?).
Here's a CP starter project on threading in VB.NET:
Introduction to making multithreaded VB.NET Apps
So, if you've read through the above and you're still thinking it's not working, perhaps clarify your question a little as to what you expect, exactly what you get (including any errors) and we'll see what we can do.