Windows filtering platform (WFP), and ip forward

Question

Hi, my problem is this, I have a pc (windows 2008 server) that is the gateway,

well with wfp I'd like to get all packed addressed to port 80 from other pc and switch to port 8080 where a proxy is hearing...

well I have already installed WDK and C++ Express can you give me some help or link or book, the only think I've found is this

http://www.codeproject.com/KB/IP/PacketFilter.aspx but I can't able to compile it give me lot of error on library

Thanks