Inheritance: INumberFormatterOptions, INumberFormatter, INumberParser
        /// <summary>
        /// This is the click handler for the 'Display' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Display_Click(object sender, RoutedEventArgs e)
        {
            // This scenario uses the Windows.Globalization.NumberFormatting.PercentFormatter and
            // the Windows.Globalization.NumberFormatting.PermilleFormatter classes to format numbers
            // as a percent or a permille.

            // Keep results of the scenario in a StringBuilder
            StringBuilder results = new StringBuilder();

            // Create numbers to format.
            double randomNumber = new Random().NextDouble();
            ulong fixedNumber = 500;

            // Create percent formatters.
            PercentFormatter defaultPercentFormatter = new PercentFormatter();
            PercentFormatter frPercentFormatter = new PercentFormatter(new[] { "fr-FR" }, "ZZ");
            PercentFormatter arPercentFormatter = new PercentFormatter(new[] { "ar" }, "ZZ");

            // Create permille formatters.
            PermilleFormatter defaultPermilleFormatter = new PermilleFormatter();
            PermilleFormatter arPermilleFormatter = new PermilleFormatter(new[] { "ar" }, "ZZ");

            // Format random numbers as percent or permille.
            results.AppendLine("Random number (" + randomNumber + ")");
            results.AppendLine("Percent formatted: " + defaultPercentFormatter.Format(randomNumber));
            results.AppendLine("Permille formatted: " + defaultPermilleFormatter.Format(randomNumber));
            results.AppendLine();
            results.AppendLine("Language-specific percent formatted: " + frPercentFormatter.Format(randomNumber));
            results.AppendLine("Language-specific permille formatted: " + arPermilleFormatter.Format(randomNumber));
            results.AppendLine();
            results.AppendLine("Fixed number (" + fixedNumber + ")");

            // Format fixed number with grouping.
            defaultPercentFormatter.IsGrouped = true;
            results.AppendLine("Percent formatted (grouped): " + defaultPercentFormatter.Format(fixedNumber));

            //Format with grouping using French language.
            frPercentFormatter.IsGrouped = true;
            results.AppendLine("Percent formatted (grouped as fr-FR): " + frPercentFormatter.Format(fixedNumber));

            // Format with grouping using Arabic.
            results.AppendLine("Percent formatted (grouped w/digits as ar): " + arPercentFormatter.Format(fixedNumber));

            // Format with no fraction digits.
            defaultPercentFormatter.FractionDigits = 0;
            defaultPercentFormatter.IsGrouped = false;
            results.AppendLine("Percent formatted (no fractional digits): " + defaultPercentFormatter.Format(fixedNumber));

            // Format always with a decimal point.
            defaultPercentFormatter.IsDecimalPointAlwaysDisplayed = true;
            defaultPercentFormatter.IsGrouped = false;
            results.AppendLine("Percent formatted (always with a decimal point): " + defaultPercentFormatter.Format(fixedNumber));

            // Display the results
            OutputTextBlock.Text = results.ToString();
        }
        /// <summary>
        /// This is the click handler for the 'Display' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Display_Click(object sender, RoutedEventArgs e)
        {
            // Variable where we keep results to display
            StringBuilder results = new StringBuilder();

            // Create a decimal formatter used to do padding with only 4 significant digits.  We zero the
            // integerDigits and fractionDigits to only show the behavior of the significantDigits property
            // when formatting.
            DecimalFormatter decimalFormatter = new Windows.Globalization.NumberFormatting.DecimalFormatter();

            decimalFormatter.SignificantDigits = 4;
            decimalFormatter.IntegerDigits     = 0;
            decimalFormatter.FractionDigits    = 0;

            // Run through the scenarios with padding
            results.Append(DoPaddingScenarios(decimalFormatter));

            // Create a percent formatter used to do padding with 4 significant digits, 2 minimum integer
            // digits, 2 minimum factional digits.  This will show how the behavior of the significantDigits
            // property in conjunction with the integerDigits and fractionDigits properties.
            PercentFormatter percentFormatter = new Windows.Globalization.NumberFormatting.PercentFormatter();

            percentFormatter.SignificantDigits = 4;
            percentFormatter.IntegerDigits     = 2;
            percentFormatter.FractionDigits    = 2;

            // Run through the scenarios
            results.Append(DoPaddingScenarios(percentFormatter));

            // Do the significant rounding scenarios with round up algorithm
            results.Append(DoSignificantDigitRoundingScenarios(RoundingAlgorithm.RoundUp));

            // Do the significant rounding scenarios with round down algorithm
            results.Append(DoSignificantDigitRoundingScenarios(RoundingAlgorithm.RoundDown));

            // Do the increment rounding scenarios with round half up algorithm
            results.Append(DoIncrementRoundingScenarios(RoundingAlgorithm.RoundHalfUp));

            // Do the increment rounding scenarios with round half down algorithm
            results.Append(DoIncrementRoundingScenarios(RoundingAlgorithm.RoundHalfDown));

            // Do currency formatting with rounding for Japanese Yen with round half to odd algorithm
            results.Append(DoCurrencyRoundingScenarios("JPY", RoundingAlgorithm.RoundHalfToOdd));

            // Do currency formatting with rounding for Euro with round half to even algorithm
            results.Append(DoCurrencyRoundingScenarios("EUR", RoundingAlgorithm.RoundHalfToEven));

            // Do padding and rounding scenarios using round half up algorithm
            results.Append(DoPaddingAndRoundingScenarios(RoundingAlgorithm.RoundHalfUp, 4, 3, 2));

            // Do padding and rounding scenarios using round half down algorithm
            results.Append(DoPaddingAndRoundingScenarios(RoundingAlgorithm.RoundHalfDown, 4, 3, 2));

            // Display the results
            rootPage.NotifyUser(results.ToString(), NotifyType.StatusMessage);
        }
        /// <summary>
        /// This is the click handler for the 'Display' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Display_Click(object sender, RoutedEventArgs e)
        {
            // This scenario uses the Windows.Globalization.NumberFormatting.DecimalFormatter,
            // Windows.Globalization.NumberFormatting.CurrencyFormatter and 
            // Windows.Globalization.NumberFormatting.PercentFormatter classes to format and parse a number
            // percentage or currency.

            // Keep results of the scenario in a StringBuilder
            StringBuilder results = new StringBuilder();

            // Define percent formatters.
            PercentFormatter percentFormat = new PercentFormatter();
            PercentFormatter percentFormatJP = new PercentFormatter(new string[] { "ja" }, "ZZ");
            PercentFormatter percentFormatFR = new PercentFormatter(new string[] { "fr-FR" }, "ZZ");

            // Define decimal formatters.
            DecimalFormatter decimalFormat = new DecimalFormatter();
            decimalFormat.IsGrouped = true;
            DecimalFormatter decimalFormatJP = new DecimalFormatter(new string[] { "ja" }, "ZZ");
            decimalFormatJP.IsGrouped = true;
            DecimalFormatter decimalFormatFR = new DecimalFormatter(new string[] { "fr-FR" }, "ZZ");
            decimalFormatFR.IsGrouped = true;

            // Define currency formatters
            string userCurrency = GlobalizationPreferences.Currencies[0];
            CurrencyFormatter currencyFormat = new CurrencyFormatter(userCurrency);
            CurrencyFormatter currencyFormatJP = new CurrencyFormatter("JPY", new string[] { "ja" }, "ZZ");
            CurrencyFormatter currencyFormatFR = new CurrencyFormatter("EUR", new string[] { "fr-FR" }, "ZZ");

            // Generate numbers for parsing.
            double percentNumber = 0.523;
            double decimalNumber = 12345.67;
            double currencyNumber = 1234.56;

            // Roundtrip the percent numbers by formatting and parsing.
            String percent1 = percentFormat.Format(percentNumber);
            double percent1Parsed = percentFormat.ParseDouble(percent1).Value;

            String percent1JP = percentFormatJP.Format(percentNumber);
            double percent1JPParsed = percentFormatJP.ParseDouble(percent1JP).Value;

            String percent1FR = percentFormatFR.Format(percentNumber);
            double percent1FRParsed = percentFormatFR.ParseDouble(percent1FR).Value;

            // Generate the results for percent parsing.
            results.AppendLine("Percent parsing of " + percentNumber); 
            results.AppendLine("Formatted for current user: "******" Parsed as current user: "******"Formatted for ja-JP: "        + percent1JP + " Parsed for ja-JP: "       + percent1JPParsed);
            results.AppendLine("Formatted for fr-FR: "        + percent1FR + " Parsed for fr-FR: "       + percent1FRParsed);
            results.AppendLine();

            // Roundtrip the decimal numbers for formatting and parsing.
            String decimal1 = decimalFormat.Format(decimalNumber);
            double decimal1Parsed = decimalFormat.ParseDouble(decimal1).Value;

            String decimal1JP = decimalFormatJP.Format(decimalNumber);
            double decimal1JPParsed = decimalFormatJP.ParseDouble(decimal1JP).Value;

            String decimal1FR = decimalFormatFR.Format(decimalNumber);
            double decimal1FRParsed = decimalFormatFR.ParseDouble(decimal1FR).Value;

            // Generate the results for decimal parsing.
            results.AppendLine("Decimal parsing of " + decimalNumber);
            results.AppendLine("Formatted for current user: "******" Parsed as current user: "******"Formatted for ja-JP: "        + decimal1JP + " Parsed for ja-JP: "       + decimal1JPParsed);
            results.AppendLine("Formatted for fr-FR: "        + decimal1FR + " Parsed for fr-FR: "       + decimal1FRParsed);
            results.AppendLine();

            // Roundtrip the currency numbers for formatting and parsing.
            String currency1 = currencyFormat.Format(currencyNumber);
            double currency1Parsed = currencyFormat.ParseDouble(currency1).Value;

            String currency1JP = currencyFormatJP.Format(currencyNumber);
            double currency1JPParsed = currencyFormatJP.ParseDouble(currency1JP).Value;

            String currency1FR = currencyFormatFR.Format(currencyNumber);
            double currency1FRParsed = currencyFormatFR.ParseDouble(currency1FR).Value;

            // Generate the results for decimal parsing.
            results.AppendLine("Currency parsing of " + currencyNumber); 
            results.AppendLine("Formatted for current user: "******" Parsed as current user: "******"Formatted for ja-JP: "        + currency1JP + " Parsed for ja-JP: "       + currency1JPParsed);
            results.AppendLine("Formatted for fr-FR: "        + currency1FR + " Parsed for fr-FR: "       + currency1FRParsed);
            results.AppendLine();

            // Display the results.
            OutputTextBlock.Text = results.ToString();
        }
        /// <summary>
        /// This is the click handler for the 'Display' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Display_Click(object sender, RoutedEventArgs e)
        {
            // Variable where we keep results to display
            StringBuilder results = new StringBuilder();

            // Create a decimal formatter used to do padding with only 4 significant digits.  We zero the
            // integerDigits and fractionDigits to only show the behavior of the significantDigits property
            // when formatting.
            DecimalFormatter decimalFormatter = new Windows.Globalization.NumberFormatting.DecimalFormatter();
            decimalFormatter.SignificantDigits = 4;
            decimalFormatter.IntegerDigits = 0;
            decimalFormatter.FractionDigits = 0;

            // Run through the scenarios with padding
            results.Append(DoPaddingScenarios(decimalFormatter));

            // Create a percent formatter used to do padding with 4 significant digits, 2 minimum integer 
            // digits, 2 minimum factional digits.  This will show how the behavior of the significantDigits
            // property in conjunction with the integerDigits and fractionDigits properties.
            PercentFormatter percentFormatter = new Windows.Globalization.NumberFormatting.PercentFormatter();
            percentFormatter.SignificantDigits = 4;
            percentFormatter.IntegerDigits = 2;
            percentFormatter.FractionDigits = 2;

            // Run through the scenarios
            results.Append(DoPaddingScenarios(percentFormatter));

            // Do the significant rounding scenarios with round up algorithm 
            results.Append(DoSignificantDigitRoundingScenarios(RoundingAlgorithm.RoundUp));

            // Do the significant rounding scenarios with round down algorithm
            results.Append(DoSignificantDigitRoundingScenarios(RoundingAlgorithm.RoundDown));

            // Do the increment rounding scenarios with round half up algorithm
            results.Append(DoIncrementRoundingScenarios(RoundingAlgorithm.RoundHalfUp));

            // Do the increment rounding scenarios with round half down algorithm
            results.Append(DoIncrementRoundingScenarios(RoundingAlgorithm.RoundHalfDown));
  
            // Do currency formatting with rounding for Japanese Yen with round half to odd algorithm
            results.Append(DoCurrencyRoundingScenarios("JPY", RoundingAlgorithm.RoundHalfToOdd));

            // Do currency formatting with rounding for Euro with round half to even algorithm
            results.Append(DoCurrencyRoundingScenarios("EUR", RoundingAlgorithm.RoundHalfToEven));

            // Do padding and rounding scenarios using round half up algorithm
            results.Append(DoPaddingAndRoundingScenarios(RoundingAlgorithm.RoundHalfUp, 4, 3, 2));

            // Do padding and rounding scenarios using round half down algorithm
            results.Append(DoPaddingAndRoundingScenarios(RoundingAlgorithm.RoundHalfDown, 4, 3, 2));

            // Display the results
            OutputTextBlock.Text = results.ToString();
        }
        /// <summary>
        /// This is the click handler for the 'Display' button.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Display_Click(object sender, RoutedEventArgs e)
        {
            // This scenario uses language tags with unicode extensions to construct and use the various 
            // formatters and NumeralSystemTranslator in Windows.Globalization.NumberFormatting to format numbers 

            // Keep results of the scenario in a StringBuilder
            StringBuilder results = new StringBuilder();

            // Create number to format.
            double randomNumber = (new Random().NextDouble() * 100000);
            results.AppendLine("Random number used by formatters: " + randomNumber);
            // Create a string to translate
            String stringToTranslate = "These are the 10 digits of a numeral system: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9";
            results.AppendLine("String used by NumeralSystemTranslater: " + stringToTranslate);
            // Create the rounder and set its increment to 0.01
            IncrementNumberRounder rounder = new Windows.Globalization.NumberFormatting.IncrementNumberRounder();
            rounder.Increment = 0.001;
            results.AppendLine("CurrencyFormatter will be using Euro symbol and all formatters rounding to 0.001 increments");
            results.AppendLine();

            // The list of language tags with unicode extensions we want to test
            String[] languages = new[] { "de-DE-u-nu-telu-ca-buddist-co-phonebk-cu-usd", "ja-jp-u-nu-arab"};
            
            // Create the various formatters, now using the language list with unicode extensions            
            results.AppendLine("Creating formatters using following languages in the language list:");
            foreach(String language in languages)
            {
                results.AppendLine("\t" + language);
            }
            results.AppendLine();

            // Create the various formatters.
            DecimalFormatter decimalFormatter = new DecimalFormatter(languages, "ZZ");
            decimalFormatter.NumberRounder = rounder; decimalFormatter.FractionDigits = 2;
            CurrencyFormatter currencyFormatter = new CurrencyFormatter(CurrencyIdentifiers.EUR, languages, "ZZ");
            currencyFormatter.NumberRounder = rounder; currencyFormatter.FractionDigits = 2;
            PercentFormatter percentFormatter = new PercentFormatter(languages, "ZZ");
            percentFormatter.NumberRounder = rounder; percentFormatter.FractionDigits = 2;
            PermilleFormatter permilleFormatter = new PermilleFormatter(languages, "ZZ");
            permilleFormatter.NumberRounder = rounder; permilleFormatter.FractionDigits = 2;
            NumeralSystemTranslator numeralTranslator = new NumeralSystemTranslator(languages);

            results.AppendLine("Using resolved language  " + decimalFormatter.ResolvedLanguage + "  : (note that all extension tags other than nu are ignored)");
            // Format using formatters and translate using NumeralSystemTranslator.
            results.AppendLine("Decimal Formatted:   " + decimalFormatter.Format(randomNumber));
            results.AppendLine("Currency formatted:   " + currencyFormatter.Format(randomNumber));
            results.AppendLine("Percent formatted:   " + percentFormatter.Format(randomNumber));
            results.AppendLine("Permille formatted:   " + permilleFormatter.Format(randomNumber));
            results.AppendLine("NumeralTranslator translated:   " + numeralTranslator.TranslateNumerals(stringToTranslate));
            results.AppendLine();

            // Display the results
            OutputTextBlock.Text = results.ToString();
        }