CookieCollection cookiesResponse = new CookieCollection();

if (response != null)

{

    foreach (string cookie in response.Headers["Set-Cookie"].Split(';'))

    {

        string name = cookie.Split('=')[];

        string value = cookie.Substring(name.Length + );

        cookiesResponse.Add(new Cookie(name.Trim(), value.Trim(), path, domain));

    }

}