From 5b68343361cbd000a2f024b37797ec235abb7207 Mon Sep 17 00:00:00 2001
From: Tom Grimshaw
Date: Sun, 4 Jul 2010 19:28:39 -0700
Subject: The majority of the Undo fix.  There is still an issue with Rotation
 which i'll address next; however position undo and scale undo should be
 working just fine now. Also removed some residual debug logging.

---
 OpenSim/Framework/UndoStack.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'OpenSim/Framework/UndoStack.cs')

diff --git a/OpenSim/Framework/UndoStack.cs b/OpenSim/Framework/UndoStack.cs
index 3799180..4cd779a 100644
--- a/OpenSim/Framework/UndoStack.cs
+++ b/OpenSim/Framework/UndoStack.cs
@@ -88,7 +88,14 @@ namespace OpenSim.Framework
 
         public T Peek()
         {
-            return m_undolist[m_undolist.Count - 1];
+            if (m_undolist.Count > 0)
+            {
+                return m_undolist[m_undolist.Count - 1];
+            }
+            else
+            {
+                return default(T);
+            }
         }
 
         public void Clear()
-- 
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