>The only time I care about seeing code [prior to VFP6, SP3] was when I needed the parameter list of the parent custom method so I know what to pass in the DoDefault().

Don't forget the time when you're building test forms to verify that your control classes work as designed, but then you don't want to see it while editing form's methods (or its members' methods) - you watch it in the debugger... and that's about the end of the list.

Though, the SuperCls is great for getting into someone else's code or a framework - a rather quick way to peek inside.