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    <p>Am I right in saying it's putting it in brackets, i.e. it's formatting it as <code>($1,234.00)</code> ? If so, I believe that's the intended behaviour for the US.</p> <p>However, you can create your own <code>NumberFormatInfo</code> which doesn't behave this way. Take an existing <code>NumberFormatInfo</code> which is "mostly right", call <code>Clone()</code> to make a mutable copy, and then set the <a href="http://msdn.microsoft.com/en-us/library/system.globalization.numberformatinfo.currencynegativepattern.aspx" rel="noreferrer"><code>CurrencyNegativePattern</code></a> appropriately (I think you want value 2).</p> <p>For example:</p> <pre><code>using System; using System.Globalization; class Test { static void Main() { var usCulture = CultureInfo.CreateSpecificCulture("en-US"); var clonedNumbers = (NumberFormatInfo) usCulture.NumberFormat.Clone(); clonedNumbers.CurrencyNegativePattern = 2; string formatted = string.Format(clonedNumbers, "{0:C2}", -1234); Console.WriteLine(formatted); } } </code></pre> <p>This prints $-1,234.00. If you actually want exactly $-1234, you'll need to set the <a href="http://msdn.microsoft.com/en-us/library/system.globalization.numberformatinfo.currencygroupsizes.aspx" rel="noreferrer"><code>CurrencyGroupSizes</code></a> property to <code>new int[]{0}</code> and use <code>"{0:C0}"</code> instead of <code>"{0:C2}"</code> as the format string.</p> <p>EDIT: Here's a helper method you can use which basically does the same thing:</p> <pre><code>private static readonly NumberFormatInfo CurrencyFormat = CreateCurrencyFormat(); private static NumberFormatInfo CreateCurrencyFormat() { var usCulture = CultureInfo.CreateSpecificCulture("en-US"); var clonedNumbers = (NumberFormatInfo) usCulture.NumberFormat.Clone(); clonedNumbers.CurrencyNegativePattern = 2; return clonedNumbers; } public static string FormatCurrency(decimal value) { return value.ToString("C2", CurrencyFormat); } </code></pre>
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    1. POString.Format("{0:C2}", -1234) (Currency format) treats negative numbers as positive
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    1. USJon Skeet
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    1. COExcellent catch. I ran a quick string.Format('{0:C2}', -1234) in boo, got '-$1,234.00' and thought Shimmy was somehow mistaken (sorry Shimmy). I didn't realize that Canada and the US differed on NumberFormat.CurrencyNegativePattern.
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      1. USBlair Conrad
    2. COI want to do everything in one line. Also I wanna get a result format decimal negatives with 2 leading zeros (i.e. $-1234.56)
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      1. USShimmy
    3. COIf you want to do everything in one call, you'll need to put this in a helper method somewhere. I don't see how you've shown 2 leading zeros in "$-1234.56". You might want to update your question to show what you *actually* want (as you don't want $-1234, contrary to the question).
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