AlphaSynth.Main.AlphaSynthWebWorkerApiBase.QualifyUrl C# (CSharp) Метод

        private static string QualifyUrl(string url)
        {
            var img = (HtmlImageElement)document.createElement("img");
            img.onerror = e => { };
            img.src = url;
            url = img.src;
            img.src = null;
            return url;
        }