System.Net.CookieCollection.IndexOf C# (CSharp) Метод

        internal int IndexOf(Cookie cookie)
        {
            int idx = 0;
            foreach (Cookie c in _list)
            {
                if (CookieComparer.Compare(cookie, c) == 0)
                {
                    return idx;
                }
                ++idx;
            }
            return -1;
        }