“One interesting quirk of MFC is the use of "Afx" as the prefix for many functions, macros and the standard precompiled header name "stdafx.h". During early dev

“One interesting quirk of MFC is the use of "Afx" as the prefix for many functions, macros and the standard precompiled header name "stdafx.h". During early development what became MFC was called "Application Framework Extensions" and abbreviated "Afx". The name Microsoft Foundation Classes (MFC) was adopted too late in the release cycle to change these references” http://en.wikipedia.org/wiki/Microsoft_Foundation_Class_Library http://en.wikipedia.org/wiki/Microsoft_Foundation_Class_Libr...