Get ahold of the labs done by adesk, they walk through the basics.
You really need to get familiar with two things: the vb.net or c# language, and the .net API for autocad.
Those are two huge learning curves for someone who has not done classic VB6 before, so get ready.
Also check out the .net class handout from this year's AU, they will be available online soon.
I think you could spend five years getting up to speed on .net, it just keeps expanding as you get into it.
|>I always worked with LISP (Visual LISP), now I know that need to learn.NET to create the interfaces of my programs.
|>Which the easiest road VB.NET or...?
Civil Engineer and Programmer
jmaeding - athunsaker - com
I have been doing this also. But instead of making .NET a front for lisp, I have been slowly porting everything to .NET. It’s not as painful as one might think if you do what James said and get familiar with the .NET language you choose. I found I was more comfortable using C# coming from the lisp world. You can do it!