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annotate MetroWpf/MetroWpf.Xaml/Converters/AddConverter.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 namespace MetroWpf.Xaml.Converters
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2 {
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3 using System;
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4 using System.Windows;
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5 using System.Windows.Data;
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6
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7 public class AddConverter : IValueConverter
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8 {
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9 #region IValueConverter Members
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10
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11 public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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12 {
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13 double doubleValue, doubleParameter;
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14
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15 if (value is string)
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16 {
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17 doubleValue = double.Parse((string)value);
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18 }
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19 else if (value is double)
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20 {
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21 doubleValue = (double)value;
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22 }
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23 else if (value is int)
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24 {
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25 doubleValue = (int)value;
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26 }
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27 else
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28 {
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29 throw new ArgumentException("Unsupported type.");
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30 }
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31
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32 if (parameter is string)
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33 {
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34 doubleParameter = double.Parse((string)parameter);
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35 }
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36 else if (parameter is double)
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37 {
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38 doubleParameter = (double)parameter;
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39 }
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40 else if (parameter is int)
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41 {
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42 doubleParameter = (int)parameter;
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43 }
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44 else
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45 {
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46 throw new ArgumentException("Unsupported type.");
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47 }
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48
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49 return doubleValue + doubleParameter;
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50 }
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51
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52 public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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53 {
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54 return null;
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55 }
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56
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57 #endregion
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58 }
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59 }