public Scenario4()
{
this.InitializeComponent();
try
{
formatterShortDateLongTime = new DateTimeFormatter("{month.integer}/{day.integer}/{year.full} {hour.integer}:{minute.integer(2)}:{second.integer(2)}", new[] { "en-US" }, "US", Windows.Globalization.CalendarIdentifiers.Gregorian, Windows.Globalization.ClockIdentifiers.TwentyFourHour);
formatterLongTime = new DateTimeFormatter("{hour.integer}:{minute.integer(2)}:{second.integer(2)}", new[] { "en-US" }, "US", Windows.Globalization.CalendarIdentifiers.Gregorian, Windows.Globalization.ClockIdentifiers.TwentyFourHour);
calendar = new Calendar();
decimalFormatter = new DecimalFormatter();
geofenceCollection = new ObservableCollection<GeofenceItem>();
eventCollection = new ObservableCollection<string>();
// Geofencing setup
InitializeGeolocation();
// using data binding to the root page collection of GeofenceItems
RegisteredGeofenceListBox.DataContext = geofenceCollection;
// using data binding to the root page collection of GeofenceItems associated with events
GeofenceEventsListBox.DataContext = eventCollection;
coreWindow = CoreWindow.GetForCurrentThread(); // this needs to be set before InitializeComponent sets up event registration for app visibility
coreWindow.VisibilityChanged += OnVisibilityChanged;
}
catch (Exception ex)
{
// GeofenceMonitor failed in adding a geofence
// exceptions could be from out of memory, lat/long out of range,
// too long a name, not a unique name, specifying an activation
// time + duration that is still in the past
_rootPage.NotifyUser(ex.ToString(), NotifyType.ErrorMessage);
}
}
public static decimal? ToDecimal(this string value)
{
if (string.IsNullOrWhiteSpace(value))
return null;
var decimalFormatter = new DecimalFormatter();
return (decimal?)decimalFormatter.ParseDouble(value);
}
/// <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 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();
}
/// <summary>
/// Demonstrates how to perform padding and rounding by using the DecimalFormatter class (can be any of the
/// formatter classes in the Windows.Globalization.Numberformatting namespace) and the IncrementNumberRounder
/// to do so. The SignificantDigitsNumberRounder can also be used instead of the latter.
/// </summary>
/// <param name="roundingAlgorithm"></param>
/// <param name="significantDigits"></param>
/// <param name="integerDigits"></param>
/// <param name="fractionalDigits"></param>
string DoPaddingAndRoundingScenarios(RoundingAlgorithm roundingAlgorithm, int significantDigits, int integerDigits, int fractionalDigits)
{
// Create the rounder and set the rounding algorithm provided as a parameter
IncrementNumberRounder rounder = new Windows.Globalization.NumberFormatting.IncrementNumberRounder();
rounder.RoundingAlgorithm = roundingAlgorithm;
// Create the formatter, set the padding properties provided as parameters and associate the rounder
// we have just created
DecimalFormatter formatter = new Windows.Globalization.NumberFormatting.DecimalFormatter();
formatter.SignificantDigits = significantDigits;
formatter.IntegerDigits = integerDigits;
formatter.FractionDigits = fractionalDigits;
formatter.NumberRounder = rounder;
// Stores the results
StringBuilder results = new StringBuilder();
// Iterate through the increments we have defined in the scenario
double[] incrementsToRound = new double[] { 0.001, 0.01, 0.1, 1.0 };
foreach (double incrementToRound in incrementsToRound)
{
// Set the increment to round to
rounder.Increment = incrementToRound;
// Display the properties of the scenario
results.Append("Padding and rounding with ");
results.Append(formatter.SignificantDigits + " significant digits, ");
results.Append(formatter.IntegerDigits + " integer digits, ");
results.Append(formatter.FractionDigits + " fractional digits, ");
results.Append(rounder.Increment + " increment and ");
results.Append(DisplayRoundingAlgorithmAsString(rounder.RoundingAlgorithm) + " rounding algorithm\n\n");
// Iterate through the numbers to round and pad, format them and add them to the results
double[] numbersToFormat = new double[] { 0.1458, 1.458, 14.58, 145.8 };
foreach (double numberToFormat in numbersToFormat)
{
string formattedNumber = formatter.Format(numberToFormat);
results.Append("Value: " + numberToFormat + " Formatted: " + formattedNumber + "\n");
}
// Add a carriage return at the end of the scenario for readability
results.AppendLine();
}
return(results.ToString());
}
/// <summary>
/// Shows how to do number rounding using the IncrementNumberRounding class.
///</summary>
///<param name="roundingAlgorithm"></param>
private string DoIncrementRoundingScenarios(RoundingAlgorithm roundingAlgorithm)
{
// Create the rounder and set the rounding algorithm provided as a parameter
IncrementNumberRounder rounder = new Windows.Globalization.NumberFormatting.IncrementNumberRounder();
rounder.RoundingAlgorithm = roundingAlgorithm;
// Formatter to display the rounded value. It is recommended to use the increment number
// rounder within a formatter object to avoid precision issues when displaying.
DecimalFormatter formatter = new Windows.Globalization.NumberFormatting.DecimalFormatter();
formatter.NumberRounder = rounder;
// Stores the results
StringBuilder results = new StringBuilder();
// Iterate through the increments we have defined in the scenario
double[] incrementsToRound = new double[] { 0.001, 0.01, 0.1, 1.0 };
foreach (double incrementToRound in incrementsToRound)
{
// Set the significant digits to round to
rounder.Increment = incrementToRound;
// Display the properties of the scenario
results.Append("Rounding with ");
results.Append(rounder.Increment + " increment and ");
results.Append(DisplayRoundingAlgorithmAsString(rounder.RoundingAlgorithm) + " rounding algorithm\n\n");
// Iterate through the numbers to round and add them to the results
double[] numbersToRound = new double[] { 0.1458, 1.458, 14.58, 145.8 };
foreach (double numberToRound in numbersToRound)
{
results.Append("Value: " + numberToRound + " Rounded: " + formatter.Format(numberToRound) + "\n");
}
// Add a carriage return at the end of the scenario for readability
results.AppendLine();
}
return(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 the Windows.Globalization.NumberFormatting.DecimalFormatter class
// to format a number.
// Keep results of the scenario in a StringBuilder
StringBuilder results = new StringBuilder();
// Create formatter initialized using the current user's preference settings.
DecimalFormatter decimalFormat = new Windows.Globalization.NumberFormatting.DecimalFormatter();
// Make a random number.
double randomNumber = (new Random().NextDouble() * 100000);
// Format with the user's default preferences.
String decimalCurrent = decimalFormat.Format(randomNumber);
// Format with grouping.
DecimalFormatter decimalFormat1 = new Windows.Globalization.NumberFormatting.DecimalFormatter();
decimalFormat1.IsGrouped = true;
String decimal1 = decimalFormat1.Format(randomNumber);
// Format with grouping using French.
DecimalFormatter decimalFormatFR = new Windows.Globalization.NumberFormatting.DecimalFormatter(new string[] { "fr-FR" }, "ZZ");
decimalFormatFR.IsGrouped = true;
String decimalFR = decimalFormatFR.Format(randomNumber);
// Illustrate how automatic digit substitution works
DecimalFormatter decimalFormatAR = new Windows.Globalization.NumberFormatting.DecimalFormatter(new string[] { "ar" }, "ZZ");
decimalFormatAR.IsGrouped = true;
String decimalAR = decimalFormatAR.Format(randomNumber);
// Get a fixed number.
ulong fixedNumber = 500;
// Format with the user's default preferences.
String decimal2 = decimalFormat.Format(fixedNumber);
// Format always with a decimal point.
DecimalFormatter decimalFormat3 = new Windows.Globalization.NumberFormatting.DecimalFormatter();
decimalFormat3.IsDecimalPointAlwaysDisplayed = true;
decimalFormat3.FractionDigits = 0;
String decimal3 = decimalFormat3.Format(fixedNumber);
// Format with no fractional digits or decimal point.
DecimalFormatter decimalFormat4 = new Windows.Globalization.NumberFormatting.DecimalFormatter();
decimalFormat4.FractionDigits = 0;
String decimal4 = decimalFormat4.Format(fixedNumber);
// Display the results.
results.AppendLine("Random number (" + randomNumber + ")");
results.AppendLine("With current user preferences: " + decimalCurrent);
results.AppendLine("With grouping separators: " + decimal1);
results.AppendLine("With grouping separators (fr-FR): " + decimalFR);
results.AppendLine("With digit substitution (ar): " + decimalAR);
results.AppendLine();
results.AppendLine("Fixed number (" + fixedNumber + ")");
results.AppendLine("With current user preferences: " + decimal2);
results.AppendLine("Always with a decimal point: " + decimal3);
results.AppendLine("With no fraction digits or decimal points: " + decimal4);
// 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 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>
/// Shows how to do number rounding using the IncrementNumberRounding class.
///</summary>
///<param name="roundingAlgorithm"></param>
private string DoIncrementRoundingScenarios(RoundingAlgorithm roundingAlgorithm)
{
// Create the rounder and set the rounding algorithm provided as a parameter
IncrementNumberRounder rounder = new Windows.Globalization.NumberFormatting.IncrementNumberRounder();
rounder.RoundingAlgorithm = roundingAlgorithm;
// Formatter to display the rounded value. It is recommended to use the increment number
// rounder within a formatter object to avoid precision issues when displaying.
DecimalFormatter formatter = new Windows.Globalization.NumberFormatting.DecimalFormatter();
formatter.NumberRounder = rounder;
// Stores the results
StringBuilder results = new StringBuilder();
// Iterate through the increments we have defined in the scenario
double[] incrementsToRound = new double[] { 0.001, 0.01, 0.1, 1.0 };
foreach (double incrementToRound in incrementsToRound)
{
// Set the significant digits to round to
rounder.Increment = incrementToRound;
// Display the properties of the scenario
results.Append("Rounding with ");
results.Append(rounder.Increment + " increment and ");
results.Append(DisplayRoundingAlgorithmAsString(rounder.RoundingAlgorithm) + " rounding algorithm\n\n");
// Iterate through the numbers to round and add them to the results
double[] numbersToRound = new double[] { 0.1458, 1.458, 14.58, 145.8 };
foreach (double numberToRound in numbersToRound)
{
results.Append("Value: " + numberToRound + " Rounded: " + formatter.Format(numberToRound) + "\n");
}
// Add a carriage return at the end of the scenario for readability
results.AppendLine();
}
return results.ToString();
}
/// <summary>
/// Demonstrates how to perform padding and rounding by using the DecimalFormatter class (can be any of the
/// formatter classes in the Windows.Globalization.Numberformatting namespace) and the IncrementNumberRounder
/// to do so. The SignificantDigitsNumberRounder can also be used instead of the latter.
/// </summary>
/// <param name="roundingAlgorithm"></param>
/// <param name="significantDigits"></param>
/// <param name="integerDigits"></param>
/// <param name="fractionalDigits"></param>
string DoPaddingAndRoundingScenarios(RoundingAlgorithm roundingAlgorithm, int significantDigits, int integerDigits, int fractionalDigits)
{
// Create the rounder and set the rounding algorithm provided as a parameter
IncrementNumberRounder rounder = new Windows.Globalization.NumberFormatting.IncrementNumberRounder();
rounder.RoundingAlgorithm = roundingAlgorithm;
// Create the formatter, set the padding properties provided as parameters and associate the rounder
// we have just created
DecimalFormatter formatter = new Windows.Globalization.NumberFormatting.DecimalFormatter();
formatter.SignificantDigits = significantDigits;
formatter.IntegerDigits = integerDigits;
formatter.FractionDigits = fractionalDigits;
formatter.NumberRounder = rounder;
// Stores the results
StringBuilder results = new StringBuilder();
// Iterate through the increments we have defined in the scenario
double[] incrementsToRound = new double[] { 0.001, 0.01, 0.1, 1.0 };
foreach (double incrementToRound in incrementsToRound)
{
// Set the increment to round to
rounder.Increment = incrementToRound;
// Display the properties of the scenario
results.Append("Padding and rounding with ");
results.Append(formatter.SignificantDigits + " significant digits, ");
results.Append(formatter.IntegerDigits + " integer digits, ");
results.Append(formatter.FractionDigits + " fractional digits, ");
results.Append(rounder.Increment + " increment and ");
results.Append(DisplayRoundingAlgorithmAsString(rounder.RoundingAlgorithm) + " rounding algorithm\n\n");
// Iterate through the numbers to round and pad, format them and add them to the results
double[] numbersToFormat = new double[] {0.1458, 1.458, 14.58, 145.8 };
foreach (double numberToFormat in numbersToFormat)
{
string formattedNumber = formatter.Format(numberToFormat);
results.Append("Value: " + numberToFormat + " Formatted: " + formattedNumber + "\n");
}
// Add a carriage return at the end of the scenario for readability
results.AppendLine();
}
return 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 the Windows.Globalization.NumberFormatting.DecimalFormatter class
// to format a number.
// Keep results of the scenario in a StringBuilder
StringBuilder results = new StringBuilder();
// Create formatter initialized using the current user's preference settings.
DecimalFormatter decimalFormat = new Windows.Globalization.NumberFormatting.DecimalFormatter();
// Make a random number.
double randomNumber = (new Random().NextDouble() * 100000);
// Format with the user's default preferences.
String decimalCurrent = decimalFormat.Format(randomNumber);
// Format with grouping.
DecimalFormatter decimalFormat1 = new Windows.Globalization.NumberFormatting.DecimalFormatter();
decimalFormat1.IsGrouped = true;
String decimal1 = decimalFormat1.Format(randomNumber);
// Format with grouping using French.
DecimalFormatter decimalFormatFR = new Windows.Globalization.NumberFormatting.DecimalFormatter(new string[] { "fr-FR" }, "ZZ");
decimalFormatFR.IsGrouped = true;
String decimalFR = decimalFormatFR.Format(randomNumber);
// Illustrate how automatic digit substitution works
DecimalFormatter decimalFormatAR = new Windows.Globalization.NumberFormatting.DecimalFormatter(new string[] { "ar" }, "ZZ");
decimalFormatAR.IsGrouped = true;
String decimalAR = decimalFormatAR.Format(randomNumber);
// Get a fixed number.
ulong fixedNumber = 500;
// Format with the user's default preferences.
String decimal2 = decimalFormat.Format(fixedNumber);
// Format always with a decimal point.
DecimalFormatter decimalFormat3 = new Windows.Globalization.NumberFormatting.DecimalFormatter();
decimalFormat3.IsDecimalPointAlwaysDisplayed = true;
decimalFormat3.FractionDigits = 0;
String decimal3 = decimalFormat3.Format(fixedNumber);
// Format with no fractional digits or decimal point.
DecimalFormatter decimalFormat4 = new Windows.Globalization.NumberFormatting.DecimalFormatter();
decimalFormat4.FractionDigits = 0;
String decimal4 = decimalFormat4.Format(fixedNumber);
// Display the results.
results.AppendLine("Random number (" + randomNumber + ")");
results.AppendLine("With current user preferences: " + decimalCurrent);
results.AppendLine("With grouping separators: " + decimal1);
results.AppendLine("With grouping separators (fr-FR): " + decimalFR);
results.AppendLine("With digit substitution (ar): " + decimalAR);
results.AppendLine();
results.AppendLine("Fixed number (" + fixedNumber + ")");
results.AppendLine("With current user preferences: " + decimal2);
results.AppendLine("Always with a decimal point: " + decimal3);
results.AppendLine("With no fraction digits or decimal points: " + decimal4);
// Display the results
OutputTextBlock.Text = results.ToString();
}