Clear History/Cashe/Cookies from Web Requests?

[Gui]

If you were to use Web Requests via a Request Object;

;Obj Create
        $tHTTP = ObjCreate("winhttp.winhttprequest.5.1")

for example, how would you cler it's history/cache/cookies? Or is their deletion automatic?

I'm tired of the CMD pop up via

Run("RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 255")

Thanks!

EDIT: Sorry if this is in the wrong section. Move if necessary.

Edited September 6, 2010 by Gui