Doing Undo (RBD1110)

You’ve almost finished your first "serious" REALbasic project, the one you might someday publish. You’ve learned the language, you understand the fundamentals of object-oriented programming, and you’ve written the core of your application. Now all you need are the finishing touches: An About box, an icon or two... and, of course, you need an Undo command. This is the article to guide you through those treacherous waters. Leave the life jacket at home, Scott knows how to swim in the deep end, and you will too, once you finish this article.