http://stackoverflow.com/questions/391791/whats-with-the-afx-in-stdafx-h http://stackoverflow.com/questions/391791/whats-with-the-afx... TL;DR: it stands for A

http://stackoverflow.com/questions/391791/whats-with-the-afx-in-stdafx-h http://stackoverflow.com/questions/391791/whats-with-the-afx... TL;DR: it stands for Application Framework X (a group at MS responsible for the MFC, Microsoft Foundation Classes, library at some point)