I upload the file 8964A_SL70_ENUS_TVB_Tools for Visual Basic in Microsoft Dynamics SL 7.0.zip to www.soporte.tezegdl.com.mx
This is the tutorial that you're looking for, to begin to learn about VB Tools. I just going to leave the file for a few hours, because i'm not allowed to leave it on the site, because in my company imparts that course.