In my last article “Jwscl and FreeAndNil” there were some great comments on the source design. Oliver told me to use a guarded memory page so the memory is always invalid. With his information I wrote a source code that creates a pointer which always triggers an access violation.

There is a lot of talking about the usage of FreeAndNil in destructors. I’ve never thought about it before so I used it quite often even in destructors. Although I don’t use it as a universal remedy function, it still seems to be a bad design: a thought shared by many leading Delphi experts.  Thus [...]