System.Number.HexNumberToInt32 C# (CSharp) Method

        private static Boolean HexNumberToInt32(ref NumberBuffer number, ref Int32 value) {
            UInt32 passedValue = 0;
            Boolean returnValue = HexNumberToUInt32(ref number, ref passedValue);
            value = (Int32)passedValue;
            return returnValue;
        }

        internal static unsafe int ParseInt32(string s, NumberStyles style, NumberFormatInfo info)
        {
            byte *stackBuffer = stackalloc byte[Number.NumberBuffer.NumberBufferBytes];

            Number.NumberBuffer number = new Number.NumberBuffer(stackBuffer);
            int num = 0;

            Number.StringToNumber(s, style, ref number, info, false);
            if ((style & NumberStyles.AllowHexSpecifier) != NumberStyles.None)
            {
                if (!Number.HexNumberToInt32(ref number, ref num))
                {
                    throw new OverflowException(Environment.GetResourceString("Overflow_Int32"));
                }
            }
            else if (!Number.NumberToInt32(ref number, ref num))
            {
                throw new OverflowException(Environment.GetResourceString("Overflow_Int32"));
            }
            return(num);
        }