Re: The code I'm most proud of is:

[tbone1]

It's something I wrote as a stopgap at a former job many many years ago. It's still in production because a) it works, b) the customers use it as well as the company, c) it's platform-independent, and d) it works way better on Windows than anything the VB folks did.

Plus, it's used in a software package that helps save people's lives, so that doesn't hurt.