sdk/samples/all in on code/Visual Studio 2008/CSWPFDataBinding/Converters.cs

   1 /************************************* Module Header **************************************\
   2 * Module Name:  Converters.cs
   3 * Project:      CSWPFDataBinding
   4 * Copyright (c) Microsoft Corporation.
   5 *
   6 * This example demonstrates how to use DataBinding in WPF
   7 *
   8 *
   9 * This source is subject to the Microsoft Public License.
  10 * See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL.
  11 * All other rights reserved.
  12 *
  13 * History:
  14 * * 10/29/2009 3:00 PM Bruce Zhou Created
  15  *
  16 \******************************************************************************************/
  17 using System;
  18 using System.Collections.Generic;
  19 using System.Linq;
  20 using System.Text;
  21 using System.Windows.Data;
  22
  23 namespace CSWPFDataBinding
  24 {
  25     public class SalaryFormmatingConverter:IValueConverter
  26     {
  27
  28         #region IValueConverter Members
  29
  30         public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
  31         {
  32             double dolloars =0;
  33             string formattedSalary = string.Empty;
  34
  35             if (value == null)
  36             {
  37                 throw new NullReferenceException("value can not be null");
  38             }
  39             else
  40             {
  41                 Double.TryParse(value.ToString(), out dolloars);
  42             }
  43             formattedSalary = String.Format("Total={0}$", dolloars);
  44             return formattedSalary;
  45         }
  46
  47         public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
  48         {
  49              double dolloars =0;
  50             if (value == null)
  51             {
  52                 throw new NullReferenceException("value can not be null");
  53             }
  54
  55             Double.TryParse(value.ToString().TrimStart(new Char[] {'T', 't', 'o', 'a', 'l', '='}).TrimEnd('$'), out dolloars);
  56             return dolloars;
  57         }
  58
  59         #endregion
  60     }
  61 }