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

   1 //----------------------------------------------------------------
   2 // <copyright company="Microsoft Corporation">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //----------------------------------------------------------------
   6
   7 namespace System.Activities.Presentation.Converters
   8 {
   9     using System.Activities.Presentation.Model;
  10     using System.Windows.Data;
  11
  12     internal class ModelItemToAnnotationEnabledConverter : IValueConverter
  13     {
  14         public object Convert(object value, Type targetType, object parameter, Globalization.CultureInfo culture)
  15         {
  16             ModelItem modelItem = value as ModelItem;
  17
  18             if (modelItem != null)
  19             {
  20                 EditingContext editingContext = modelItem.GetEditingContext();
  21                 if (editingContext != null)
  22                 {
  23                     return editingContext.Services.GetService<DesignerConfigurationService>().AnnotationEnabled;
  24                 }
  25             }
  26
  27             return false;
  28         }
  29
  30         public object ConvertBack(object value, Type targetType, object parameter, Globalization.CultureInfo culture)
  31         {
  32             throw FxTrace.Exception.AsError(new NotImplementedException());
  33         }
  34     }
  35 }