IIS7 modules vs. IIS6 ISAPI (Reason #10): C++ Class-based encapsulation model

First post in this series, looking at the basics of writing IIS6 ISAPI vs. IIS7 modules.

Read more here - https://mvolo.com/2006/10/07/why-iis7-module-is-better-then-iis6-isapi---reason-10-c-classbased-encapsulated-model-vs-cstyle-static-functions.aspx.