diff -r 1e1b632c7a41 -r 08c26c62f5a7 LDViewer.py
--- a/LDViewer.py	Fri Sep 09 11:58:53 2011 +0200
+++ b/LDViewer.py	Fri Sep 09 17:19:35 2011 +0200
@@ -184,6 +184,7 @@
 
     def RefreshView(self, selection=None):
         Viewer.RefreshView(self, selection)
+        wx.CallAfter(self.Refresh)
         for i, rung in enumerate(self.Rungs):
             bbox = rung.GetBoundingBox()
             if i < len(self.RungComments):
@@ -1151,11 +1152,9 @@
                 else:
                     if startpoint.y + offset != endpoint.y:
                         if isinstance(element, LD_PowerRail):
-                            element.MoveConnector(i, startpoint.y - endpoint.y)
+                            element.MoveConnector(connector, startpoint.y - endpoint.y)
                         elif isinstance(block, LD_PowerRail):
-                            index = block.GetConnectorIndex(wire.EndConnected)
-                            if index:
-                                block.MoveConnector(index, startpoint.y - endpoint.y)
+                            block.MoveConnector(wire.EndConnected, startpoint.y - endpoint.y)
                         else:
                             block.Move(0, startpoint.y + offset - endpoint.y)
                             self.RefreshPosition(block, False)