That book is long outdated. It was written for Windows 95. Let's go with something more current http://msdn.microsoft.com/en-us/library/windows/desktop/aa511258.aspx or here http://msdn.microsoft.com/en-us/library/windows/desktop/aa511440.aspx.

For the record, the last few Fox apps I wrote use my own dialog for this, with an option on it to "Don't show this again". Application options allowed the user to reset that.

>
>Cmon Craig, you're better than that
>
>Proper UI design does not let the user make mistakes like that.
>
>1) Don't enable Save or Revert unless data has changed
>2) If the user would lose data by their action, prompt them
>
>Not one of my users, everm in 25 years, has ever said that this bothers them
>
>Further more, this book was and still is popular and discusses these things:
>http://www.guidebookgallery.org/books/thewindowsinterfaceguidelinesforsoftwaredesign