add

Disp/RenderingCanvas.cs

@@ -11,7 +11,7 @@ using System.Collections.Generic;
 using Hi.Geom;
 using Microsoft.Win32;  // Add this for SystemEvents
 
-namespace Hi.Wpf.Disp
+namespace Hi.WpfPlus.Disp
 {
     #region WPF Rendering Canvas
     /// <summary>

Disp/RenderingWindow.cs

@@ -1,10 +1,9 @@
 using Hi.Disp;
-using Hi.Licenses;
 using System;
 using System.Windows;
 using System.Windows.Media;
 
-namespace Hi.Wpf.Disp
+namespace Hi.WpfPlus.Disp
 {
     /// <summary>
     /// Window for 3D rendering.