init

Backup/ExtendedPropertyChangedEventArgs.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.ComponentModel;
+using Microsoft.Research.DynamicDataDisplay;
+
+namespace Microsoft.Research.DynamicDataDisplay
+{
+	public sealed class ExtendedPropertyChangedEventArgs : EventArgs
+	{
+		public string PropertyName { get; set; }
+		public object OldValue { get; set; }
+		public object NewValue { get; set; }
+
+		public static ExtendedPropertyChangedEventArgs FromDependencyPropertyChanged(DependencyPropertyChangedEventArgs e)
+		{
+			return new ExtendedPropertyChangedEventArgs { PropertyName = e.Property.Name, NewValue = e.NewValue, OldValue = e.OldValue };
+		}
+	}
+}