Pinpoint Errors to the Exact Line Number in Your VB Program - Windows Shareware $29.95. Pinpoint errors in your VB programs to the exact line where they occur. VB Builder is a VB 5/6 Add-In that creates line numbered versions of your VB program so that you can use the VB error line function (erl) in your error handling code.

VB Builder also compiles your programs and stores each line numbered version in a separate directory based on the current version number of the program.