diff -r 4a7e80513edd -r c6e153273ea1 SFCViewer.py
--- a/SFCViewer.py	Wed Jul 18 11:57:36 2007 +0200
+++ b/SFCViewer.py	Wed Jul 18 16:22:39 2007 +0200
@@ -853,7 +853,7 @@
                 wire.Clean()
                 self.RemoveWire(wire)
                 transition.Clean()
-                self.AddBlock(transition)
+                self.RemoveBlock(transition)
                 self.Controler.RemoveCurrentElementEditingInstance(transition.GetId())
                 previous_block.RemoveBranch(previous)
                 if previous_block.GetBranchNumber() < 2:
@@ -917,7 +917,7 @@
                             else:
                                 self.DeleteDivergence(previous_block)
                 divergence.Clean()
-                self.AddBlocks(divergence)
+                self.RemoveBlock(divergence)
                 self.Controler.RemoveCurrentElementEditingInstance(divergence.GetId())
                 if next:
                     wire = self.ConnectConnectors(next, previous)
@@ -949,7 +949,7 @@
                 wire.Clean()
                 self.RemoveWire(wire)
                 divergence.Clean()
-                self.AddBlock(divergence)
+                self.RemoveBlock(divergence)
                 self.Controler.RemoveCurrentElementEditingInstance(divergence.GetId())
                 wire = self.ConnectConnectors(next, previous)
                 previous_pos = previous.GetPosition(False)
@@ -983,7 +983,7 @@
             wire.Clean()
             self.RemoveWire(wire)
             jump.Clean()
-            self.AddBlocks(jump)
+            self.RemoveBlock(jump)
             self.Controler.RemoveCurrentElementEditingInstance(jump.GetId())
             if isinstance(previous_block, SFC_Step):
                 previous_block.RemoveOutput()
@@ -1012,7 +1012,7 @@
             wire.Clean()
             self.RemoveWire(wire)
             actionblock.Clean()
-            self.AddBlock(actionblock)
+            self.RemoveBlock(actionblock)
             self.Controler.RemoveCurrentElementEditingInstance(actionblock.GetId())
             step.RemoveAction()
             self.RefreshStepModel(step)