System.Net.Http.Headers.StringWithQualityHeaderValue.TryParse C# (CSharp) Method

        public static bool TryParse(string input, out StringWithQualityHeaderValue parsedValue)
        {
            int index = 0;
            object output;
            parsedValue = null;

            if (GenericHeaderParser.SingleValueStringWithQualityParser.TryParseValue(
                input, null, ref index, out output))
            {
                parsedValue = (StringWithQualityHeaderValue)output;
                return true;
            }
            return false;
        }