diff --git a/EduNetworkBuilder/ListBoxWindow.cs b/EduNetworkBuilder/ListBoxWindow.cs
index b6bd18e..852a641 100644
--- a/EduNetworkBuilder/ListBoxWindow.cs
+++ b/EduNetworkBuilder/ListBoxWindow.cs
@@ -109,6 +109,11 @@ namespace EduNetworkBuilder
                 btnAdd.Visible = false;
                 Text = NB.Translate("H_DHCP_Title"); //DHCP
             }
+            if(mode == LBContents.regressiontest)
+            {
+                //Regression testing.  Similar to listing all the puzzles.
+                //
+            }
             UpdateForm();
         }