Hi I am a newbie for deverlop c# and VSTO

now i am try to create MAPIFolder and set a properties


myFolder.WebViewOn = true;
myFolder.WebViewURL = "http://localhost:8080/testform/";


and i want to sent a cookie intro webrequest because that web site has a http BASIC authentication

the first time in ThisAddIn_Startup() i am send a HttpWebRequest and I receive a cookie from HttpWebResponse

when i click a myButton i want to access through the web (not want to see user password dialog again)
How can i do.
Thankyou