mcs/class/referencesource/System.Activities.Presentation/System.Activities.Core.Presentation/System/Activities/Core/Presentation/ExpressionToExpressionTextConverter.cs

   1 //------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //------------------------------------------------------------
   4
   5
   6 namespace System.Activities.Core.Presentation
   7 {
   8     using System.Windows.Media;
   9     using System.Windows.Data;
  10     using System.Windows;
  11     using System.Globalization;
  12     using System.Activities.Presentation;
  13     using System.Activities.Presentation.Model;
  14
  15     class ExpressionToExpressionTextConverter : IValueConverter
  16     {
  17
  18         public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
  19         {
  20             string convertedValue = null;
  21             ModelItem valueMI = value as ModelItem;
  22             if (valueMI != null)
  23             {
  24                 convertedValue = ExpressionHelper.GetExpressionString(valueMI.GetCurrentValue() as Activity, valueMI.Parent);
  25             }
  26             return convertedValue;
  27         }
  28
  29
  30         public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
  31         {
  32             throw FxTrace.Exception.AsError(new NotSupportedException());
  33         }
  34
  35     }
  36 }