Links in MFC VC Polymorphism Experts articles

http://cplus.about.com/od/beginnerctutorial/l/aa061602a.htm

http://msdn2.microsoft.com/en-us/library/caz3zy5s.aspx

http://msdn2.microsoft.com/en-us/library/ct517hs4.aspx

http://www.cplusplus.com/doc/language/tutorial/polymorphism.html

http://www.cplusplus.com/doc/tutorial/polymorphism.html

http://www.flounder.com

http://www.flounder.com/mvp_tips.htm

http://www.joelonsoftware.com/articles/GuerrillaInterviewing3.html

http://www.softlookup.com/tutorial/vc++/vcu25fi.asp