Delete Webbrowser1 cookies And Cache .net

Question

i tried to delete My Webbrowser1 History with Login cookies Cache history (Facebook)

and i cant delete login Info,

i want every loading Webbrowser1 in app start up will required login not loading my previous login info from (Facebook).

here my failed with 4 methods. ^^

-1

WebBrowser1.Document.Cookie = ""

-2

WebBrowser1.Refresh(WebBrowserRefreshOption.Completely)

-3

WebBrowser1.Navigate("javascript:void((function(){var a,b,c,e,f;f=0;a=document.cookie.split('; ');for(e=0;e<a.length&&a[e];e++){f++;for(b='.'+location.host;b;b=b.replace(/^(?:%5C.|[^%5C.]+)/,'')){for(c=location.pathname;c;c=c.replace(/.$/,'')){document.cookie=(a[e]+'; domain='+b+'; path='+c+'; expires='+new Date((new Date()).getTime()-1e11).toGMTString());}}}})())")

-4

 System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 8")

i tried those 4 Methods, Without any luck to work, any idea !

And as everytime, please don't press " this question not useful" ^^.

Answer 1

Solved from another thread :

VB2010 How can i clear cookies webbrowser with button?

Clear Cookies,

System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 2")