diff --git a/ScreenToGif/Windows/Editor.xaml.cs b/ScreenToGif/Windows/Editor.xaml.cs
index a01171ac..d070e2c8 100644
--- a/ScreenToGif/Windows/Editor.xaml.cs
+++ b/ScreenToGif/Windows/Editor.xaml.cs
@@ -529,7 +529,7 @@ private void Item_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs
 
             if (item != null)// && !WasChangingSelection)
             {
-                LastSelected = item.FrameNumber;
+                //LastSelected = item.FrameNumber; IF DO THIS ,lastSelected  will equal FrameListView.SelectedIndex in all time 
                 Keyboard.Focus(item);
             }
         }
@@ -6711,4 +6711,4 @@ internal async Task SendFeedback()
 
         #endregion
     }
-}
\ No newline at end of file
+}