System.Net.Http.OwinHttpMessageHandler.CheckSetCookie C# (CSharp) Метод

        private void CheckSetCookie(HttpRequestMessage request, HttpResponseMessage response)
        {
            if(_useCookies && response.Headers.Contains("Set-Cookie"))
            {
                var cookieHeader = string.Join(",", response.Headers.GetValues("Set-Cookie"));
                _cookieContainer.SetCookies(request.RequestUri, cookieHeader);
            }
        }