diff -r de06fa7242ae -r ab3057b82260 client/src/Iri.Modernisation.Controls/View/BookTimeLine/BookTimeLine.xaml.cs
--- a/client/src/Iri.Modernisation.Controls/View/BookTimeLine/BookTimeLine.xaml.cs	Fri Feb 12 12:24:46 2010 +0100
+++ b/client/src/Iri.Modernisation.Controls/View/BookTimeLine/BookTimeLine.xaml.cs	Fri Feb 12 15:57:01 2010 +0100
@@ -52,6 +52,7 @@
         private bool _saveVideoViewerState { get; set; }
         private void TimeSlider_ThumbDragCompleted(object sender, EventArgs e)
         {
+            //Commands.TimeChange.Execute(null, DataContext);
             if (_saveVideoViewerState)
             {
               
@@ -109,8 +110,9 @@
             int maxHi = 0;
             foreach (List<Annotation> LAnnotation in VM.Annotations)
             {
-                LAnnotation.Sort((a, b) => TimeSpan.Compare( b.Duration,a.Duration));
-                foreach (Annotation Annotation in LAnnotation)
+                List<Annotation> tempList = new List<Annotation>(LAnnotation);
+                tempList.Sort((a, b) => TimeSpan.Compare(b.Duration, a.Duration));
+                foreach (Annotation Annotation in tempList)
                 {
                     PolemicElementControl pol = new PolemicElementControl();
                     pol.SetValue(Canvas.ZIndexProperty, 10);
@@ -129,9 +131,9 @@
                         {
                             int actualTop = (int)Canvas.GetTop(lockedControl);
                             if (basi <= actualTop)
-                           {
-                                basi += 12;
-                           }
+                               {
+                                    basi += 12;
+                               }
                             
                         }
                     }