diff -r 000000000000 -r 249d70e7b32d client/src/Iri.Modernisation.BaseMVVM/ViewModel/ViewModel.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/src/Iri.Modernisation.BaseMVVM/ViewModel/ViewModel.cs	Wed Nov 18 15:30:31 2009 +0100
@@ -0,0 +1,23 @@
+using System.ComponentModel;
+
+namespace Iri.Modernisation.BaseMVVM.ViewModel
+{
+    /// <summary>
+    /// Base class for all view models 
+    /// </summary>
+    public abstract class ViewModel : INotifyPropertyChanged
+    {
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+
+        protected virtual void OnPropertyChanged(string propertyName)
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChangedEventArgs _temp = new PropertyChangedEventArgs(propertyName);
+                PropertyChanged(this,_temp);
+            }
+        }
+    }
+}