mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/Model/AttachedPropertyInfo.cs

   1 //----------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //----------------------------------------------------------------
   4
   5 namespace System.Activities.Presentation.Model
   6 {
   7     using System.Activities.Presentation;
   8
   9     public abstract class AttachedPropertyInfo
  10     {
  11         bool isBrowsable = true;
  12         bool? isVisibleToModelItem;
  13
  14         public string PropertyName { get; set; }
  15
  16         internal bool IsBrowsable
  17         {
  18             get { return isBrowsable; }
  19             set { this.isBrowsable = value; }
  20         }
  21
  22         internal bool IsVisibleToModelItem
  23         {
  24             get { return this.isVisibleToModelItem.HasValue ? this.isVisibleToModelItem.Value : this.isBrowsable; }
  25             set { this.isVisibleToModelItem = value; }
  26         }
  27
  28         internal abstract void Register(ViewStateAttachedPropertyFeature viewStateAttachedPropertyFeature);
  29     }
  30
  31     public sealed class AttachedPropertyInfo<T> : AttachedPropertyInfo
  32     {
  33         public T DefaultValue { get; set; }
  34
  35         internal override void Register(ViewStateAttachedPropertyFeature viewStateAttachedPropertyFeature)
  36         {
  37             viewStateAttachedPropertyFeature.RegisterAttachedProperty<T>(this.PropertyName, this.IsBrowsable, this.IsVisibleToModelItem, this.DefaultValue);
  38         }
  39     }
  40 }