System.Xml.Xsl.XsltOld.RootAction.AddDecimalFormat C# (CSharp) Method

        internal void AddDecimalFormat(XmlQualifiedName name, DecimalFormat formatinfo) { 
            DecimalFormat exist = (DecimalFormat) this.decimalFormatTable[name];
            if (exist != null) {
                NumberFormatInfo info    = exist.info;
                NumberFormatInfo newinfo = formatinfo.info;
                if (info.NumberDecimalSeparator   != newinfo.NumberDecimalSeparator   ||
                    info.NumberGroupSeparator     != newinfo.NumberGroupSeparator     ||
                    info.PositiveInfinitySymbol   != newinfo.PositiveInfinitySymbol   ||
                    info.NegativeSign             != newinfo.NegativeSign             ||
                    info.NaNSymbol                != newinfo.NaNSymbol                ||
                    info.PercentSymbol            != newinfo.PercentSymbol            ||
                    info.PerMilleSymbol           != newinfo.PerMilleSymbol           ||
                    exist.zeroDigit               != formatinfo.zeroDigit             ||
                    exist.digit                   != formatinfo.digit                 ||
                    exist.patternSeparator        != formatinfo.patternSeparator 
                ) {
                    throw XsltException.Create(Res.Xslt_DupDecimalFormat, name.ToString());
                }
            }
            this.decimalFormatTable[name] = formatinfo;
        }