System.Xml.Xsl.Runtime.XsltFunctions.GetCultureInfo C# (CSharp) Method

        private static CultureInfo GetCultureInfo(string lang)
        {
            Debug.Assert(lang != null);
            if (lang.Length == 0)
            {
                return CultureInfo.CurrentCulture;
            }
            else
            {
                try
                {
                    return new CultureInfo(lang);
                }
                catch (System.ArgumentException)
                {
                    throw new XslTransformException(SR.Xslt_InvalidLanguage, lang);
                }
            }
        }