1 big problem about reading another app!

hello

i have a question.
i want to know the visited web pages from my pc, and i want to build it myself.
i dont want to know by sniffing. i see some programs watching the browsers and getting the visiting site from browsers like "ht parental control"
can anyone help me to do that?
should i use the findwindow and same apis?

i really need it. so if someone knows the way please tell me.

thank you:)