diff -r bbac5d25dbb2 -r 110067a19ec8 src/FingersDance.Control.TimeLine/UserControlTimeLine.xaml.cs
--- a/src/FingersDance.Control.TimeLine/UserControlTimeLine.xaml.cs	Thu Nov 19 15:32:13 2009 +0100
+++ b/src/FingersDance.Control.TimeLine/UserControlTimeLine.xaml.cs	Thu Nov 19 15:35:46 2009 +0100
@@ -155,7 +155,8 @@
             //cut.AnnotList.Add(new Annotation("s_" + System.Guid.NewGuid(), 100 - (3 * AnnotWidth), 20, "Saut 4"));
             //cut.AnnotList.Add(new Annotation("s_" + System.Guid.NewGuid(), 120 - (4 * AnnotWidth), 50, "Saut 5"));
 
-            tv.DataContext = new CuttingViewModel(cut, AnnotWidth);
+            if(cut!=null)
+                tv.DataContext = new CuttingViewModel(cut, AnnotWidth);
 
         }