Initial Commit

Common/PlotterChangedEventHandler.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Input;
+
+namespace Microsoft.Research.DynamicDataDisplay.Common
+{
+	public class PlotterChangedEventArgs : RoutedEventArgs
+	{
+		public PlotterChangedEventArgs(Plotter prevPlotter, Plotter currPlotter, RoutedEvent routedEvent) : base(routedEvent)
+		{
+			if (prevPlotter == null && currPlotter == null) {
+				throw new ArgumentException("Both Plotters cannot be null.");
+			}
+
+			this.prevPlotter = prevPlotter;
+			this.currPlotter = currPlotter;
+		}
+
+		private readonly Plotter prevPlotter;
+		public Plotter PreviousPlotter { get { return prevPlotter; } }
+
+		private readonly Plotter currPlotter;
+		public Plotter CurrentPlotter { get { return currPlotter; } }
+	}
+}