System.Xml.XmlConvert.TryToDouble C# (CSharp) Méthode

        internal static Exception TryToDouble(string s, out double result)
        {
            s = TrimString(s);
            if (s == "-INF")
            {
                result = Double.NegativeInfinity;
                return null;
            }
            else if (s == "INF")
            {
                result = Double.PositiveInfinity;
                return null;
            }
            else if (!Double.TryParse(s, NumberStyles.AllowLeadingSign | NumberStyles.AllowDecimalPoint | NumberStyles.AllowExponent, NumberFormatInfo.InvariantInfo, out result))
            {
                return new FormatException(SR.Format(SR.XmlConvert_BadFormat, s, "Double"));
            }
            if (result == 0 && s[0] == '-')
            {
                result = -0d;
            }
            return null;
        }