For all Pro guys Ineed your help..

I Ihave a project in the college about making a parent control software in which It's make
an winsock hook to intercept and inspect the URL request from various internet applications, such as IE, Netscape, Opera and to filter them for harmful websites and domains then it redirct the Internet browers to anther html bage that contans a warinig message that the user cant acsses this bage ,it is like Net Nanay and cyber patrol ,And i am stack i dont Know How to begin so please any one how Can help (info ,code ,website to see ) or just tell me what to read known that i use vb.net

that help well be greatly appreciated
Mahmoud H