C# win客户端 登录需要验证的网页

Question

这是 Authentication.aspx 验证页代码：        protected void Page_Load(object sender, EventArgs e)
        {
            if (Membership.ValidateUser("002", "123456?"))
            {
                //FormsAuthentication.RedirectFromLoginPage("002", true);                FormsAuthenticationTicket authTicket = new FormsAuthenticationTicket(1, "002", DateTime.Now,DateTime.Now.AddMinutes(60), false, ""); //建立身份验证票对象
                string encryptedTicket = FormsAuthentication.Encrypt(authTicket); //加密票据
                HttpCookie authCookie = new HttpCookie(FormsAuthentication.FormsCookieName, encryptedTicket);    //得到Cookie对象
                Response.Cookies.Add(authCookie);             //将票据对象添加进Cookie
                Response.Redirect("default.aspx");            //跳转到后台首页
            }
        }win客户端
 [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern bool InternetSetCookie(string lpszUrlName, string lbszCookieName, string lpszCookieData);         private void button1_Click(object sender, EventArgs e)
        {
            CookieCollection myCookies = new CookieCollection(); //cookie集合                // 这里怎样取到 Authentication.aspx  已验证的 Cookie            // 求代码……
                          foreach (Cookie cookie in myCookies) //将cookie设置为浏览的cookie  
            {
                InternetSetCookie(
                     "http://" + cookie.Domain.ToString(),
                     cookie.Name.ToString(),
                     cookie.Value.ToString() + ";expires=Sun,22-Feb-2099 00:00:00 GMT"); //这里怎样写？？？
            }            System.Diagnostics.Process.Start("http://localhost:100/"); //打开浏览器 
         }
C#