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annotate MetroWpf/MetroWpf.Xaml/Converters/NumberPositiveToNegativeConverter.cs @ 15:060f02cd4591

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author stevenh7776 stevenhollidge@hotmail.com
date Mon, 12 Mar 2012 23:05:21 +0800
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15
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1 using System;
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2 using System.Globalization;
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3 using System.Windows;
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4 using System.Windows.Data;
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5
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6 namespace MetroWpf.Xaml.Converters
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7 {
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8 public sealed class NumberPositiveToNegativeConverter : IValueConverter
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9 {
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10 public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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11 {
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12 if (value is Byte)
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13 return (Byte)((Byte)value * -1);
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14 if (value is Int16)
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15 return (Int16)((Int16)value * -1);
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16 if (value is Int32)
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17 return (Int32)value * -1;
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18 if (value is Int64)
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19 return (Int64)value * -1;
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20 if (value is Single)
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21 return (Single)value * -1f;
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22 if (value is Double)
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23 return (Double)value * -1d;
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24 if (value is Decimal)
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25 return (Decimal)value * -1m;
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26 return DependencyProperty.UnsetValue;
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27 }
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28
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29 public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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30 {
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31 return Convert(value, targetType, parameter, culture);
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32 }
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33 }
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34 } ;