The Decorator Design Pattern in Delphi

The decorator pattern, as defined in the book, with one glaring exception, is pretty easy to get a handle on and really isn’t going to take a lot of work from me in way of text here.

The Observer Design Pattern in Delphi – Pull

As mentioned in the previous article The Observer Design Pattern in Delphi – Push I intended to do a “Pull” article to show, what I think is, a significant “feature” of this pattern and one that I thought was underplayed in the Head First Design Patterns book that I’m learning from.