Note 52: I've first seen this feature [the new Delphi 2007 ExplicitTop, ExplicitWidth, ExplicitLeft and ExplicitHeight properties] mentioned in: http://jedqc.blogspot.com/2006/02/d2006-what-on-earth-are-these-explicit.html.

This blog post is part of my "113 Delphi 2007 Handbook Notes" blogging project, to promote my new Delphi book.