http://blogs.msdn.com/b/willy-peter_schaub/archive/2010/06/10/unisa-chatter-design-patterns-in-c-part-8-patterns-revisited.aspxSee UNISA – Summary of 2010 Posts for a list of related UNISA posts. This post is one of the summary posts I will be building up over the next couple of months, so if you are following this topic or completing the same course as I this year, youen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)