My first "real" job was fixing a VB6 app used in a manufacturing setting that consisted of one 3,000 line function, and one 2,000 line function. And this was a

My first "real" job was fixing a VB6 app used in a manufacturing setting that consisted of one 3,000 line function, and one 2,000 line function. And this was a critical system. It certified the units we made were configured correctly-- which were then installed in semiconductor fabs. Also, VB6 is responsible for my favorite bug ever-- an if statement: no more than "if count=0 then" that opened a dialog box, somehow. It was reproducible as well.