mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/ViewModel.cs

   1 //----------------------------------------------------------------
   2 // <copyright company="Microsoft Corporation">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //----------------------------------------------------------------
   6
   7 namespace System.Activities.Presentation
   8 {
   9     using System.ComponentModel;
  10
  11     internal abstract class ViewModel : INotifyPropertyChanged
  12     {
  13         public event PropertyChangedEventHandler PropertyChanged;
  14
  15         protected void NotifyPropertyChanged(string propertyName)
  16         {
  17             if (this.PropertyChanged != null)
  18             {
  19                 this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
  20             }
  21         }
  22     }
  23 }