mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/Converters/ModelToObjectValueConverter.cs

   1 //----------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //----------------------------------------------------------------
   4
   5 namespace System.Activities.Presentation.Converters
   6 {
   7     using System.Windows.Data;
   8     using System.Globalization;
   9     using System.Activities.Presentation.Model;
  10
  11     // This class is used to convert a ModelItem to the innerobject, when binding to whole objectin xaml.
  12     // reverse conversion is not required beacuse ModelProperty.SetValue accepts object as is.
  13     public class ModelToObjectValueConverter : IValueConverter
  14     {
  15         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
  16         {
  17             object convertedValue = null;
  18             if (value != null)
  19             {
  20                 if (value is ModelItem)
  21                 {
  22                     convertedValue = ((ModelItem)value).GetCurrentValue();
  23                 }
  24                 else
  25                 {
  26                     convertedValue = value;
  27                 }
  28             }
  29             return convertedValue;
  30         }
  31
  32         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
  33         {
  34             return value;
  35         }
  36     }
  37 }