mi auto rispondo

CoHand = InternetConnect ( hNet , "server sito" , INTERNET_DEFAULT_HTTP_PORT , "utente" , "password" , INTERNET_SERVICE_HTTP , 0 , 0 );
hResourceHandle = HttpOpenRequest(CoHand, "GET", "pagina",
NULL, NULL, NULL,
0, 0);
HttpSendRequest (hResourceHandle, NULL, 0, NULL, 0);

ciao