diff -r a95bfb76a1eb -r 5508af39d1f7 PLCOpenEditor.py
--- a/PLCOpenEditor.py	Wed Sep 10 16:49:49 2008 +0200
+++ b/PLCOpenEditor.py	Thu Sep 11 14:55:49 2008 +0200
@@ -4006,6 +4006,7 @@
         self.ParentWindow.RefreshTitle()
         self.ParentWindow.RefreshEditMenu()
         self.ParentWindow.RefreshInstancesTree()
+        self.ParentWindow.RefreshLibraryTree()
         event.Skip()
     
     def OnClassFilter(self, event):
@@ -4047,7 +4048,6 @@
         self.SaveValues()
         self.RefreshValues()
         self.RefreshButtons()
-        self.ParentWindow.RefreshInstancesTree()
         event.Skip()
 
     def OnDeleteButton(self, event):
@@ -4056,19 +4056,16 @@
         self.SaveValues()
         self.RefreshValues()
         self.RefreshButtons()
-        self.ParentWindow.RefreshInstancesTree()
         event.Skip()
 
     def OnUpButton(self, event):
         self.MoveValue(self.VariablesGrid.GetGridCursorRow(), -1)
         self.RefreshButtons()
-        self.ParentWindow.RefreshInstancesTree()
         event.Skip()
 
     def OnDownButton(self, event):
         self.MoveValue(self.VariablesGrid.GetGridCursorRow(), 1)
         self.RefreshButtons()
-        self.ParentWindow.RefreshInstancesTree()
         event.Skip()
 
     def OnVariablesGridCellChange(self, event):
@@ -4106,12 +4103,12 @@
                 self.ParentWindow.RefreshTitle()
                 self.ParentWindow.RefreshEditMenu()
                 self.ParentWindow.RefreshInstancesTree()
+                self.ParentWindow.RefreshLibraryTree()
                 event.Skip()
         else:
             self.SaveValues()
             if colname == "Class":
                 self.Table.ResetView(self.VariablesGrid)
-            self.ParentWindow.RefreshInstancesTree()
             event.Skip()
     
     def OnVariablesGridEditorShown(self, event):
@@ -4156,6 +4153,8 @@
             self.Controler.BufferProject()
             self.ParentWindow.RefreshTitle()
             self.ParentWindow.RefreshEditMenu()
+            self.ParentWindow.RefreshInstancesTree()
+            self.ParentWindow.RefreshLibraryTree()
             event.Skip()
         return VariableTypeFunction
     
@@ -4180,12 +4179,10 @@
         new_index = max(0, min(value_index + move, len(self.Values) - 1))
         if new_index != value_index:
             self.Values.insert(new_index, self.Values.pop(value_index))
+            self.SaveValues()
             self.RefreshValues()
             self.VariablesGrid.SetGridCursor(new_index, self.VariablesGrid.GetGridCursorCol())
-        else:
-            self.RefreshValues()
-        self.SaveValues()
-
+        
     def RefreshValues(self):
         if len(self.Table.data) > 0:
             self.VariablesGrid.SetGridCursor(0, 1)
@@ -4211,6 +4208,8 @@
             self.Controler.BufferProject()
             self.ParentWindow.RefreshTitle()
             self.ParentWindow.RefreshEditMenu()
+            self.ParentWindow.RefreshInstancesTree()
+            self.ParentWindow.RefreshLibraryTree()
 
     def AddVariableError(self, infos):
         if isinstance(infos[0], TupleType):