ValidateAnswer() публичный Метод

public ValidateAnswer ( NameValueCollection form ) : CaptchaState
form System.Collections.Specialized.NameValueCollection
Результат CaptchaState
        public void Try()
        {
            var result = _visualCaptcha.ValidateAnswer(Request.Form);

            var queryParams = new NameValueCollection();

            switch (result)
            {
            case CaptchaState.GeneralFail:
                queryParams.Add("status", "noCaptcha");
                Response.StatusCode        = (int)HttpStatusCode.NotFound;
                Response.StatusDescription = "Not Found";
                break;

            case CaptchaState.ValidImage:
                queryParams.Add("status", "validImage");
                Response.StatusCode = (int)HttpStatusCode.OK;
                break;

            case CaptchaState.FailedImage:
                queryParams.Add("status", "failedImage");
                Response.StatusCode = (int)HttpStatusCode.Forbidden;
                break;

            case CaptchaState.ValidAudio:
                queryParams.Add("status", "validAudio");
                Response.StatusCode = (int)HttpStatusCode.OK;
                break;

            case CaptchaState.FailedAudio:
                queryParams.Add("status", "failedAudio");
                Response.StatusCode = (int)HttpStatusCode.Forbidden;
                break;

            default:
                queryParams.Add("status", "failedPost");
                Response.StatusCode = (int)HttpStatusCode.InternalServerError;
                break;
            }

            if (Request.AcceptTypes != null && Request.AcceptTypes.Any(x => x.Contains("html")))
            //was req.accepts( 'html' ) !== undefined )
            {
                var querystring = string.Join("&", queryParams.AllKeys.Select(key => string.Format("{0}={1}", HttpUtility.UrlEncode(key), HttpUtility.UrlEncode(queryParams[key]))));
                Response.Redirect("/?" + querystring);
            }

            Response.End();
        }