diff -r b89484560a97 -r c67488bd8134 dialogs/SFCStepDialog.py
--- a/dialogs/SFCStepDialog.py	Tue Apr 09 13:18:51 2019 +0200
+++ b/dialogs/SFCStepDialog.py	Tue Apr 09 14:08:44 2019 +0200
@@ -120,7 +120,7 @@
                     control.SetValue(value)
 
         # Refresh preview panel
-        self.RefreshPreview()
+        self.DrawPreview()
 
     def GetValues(self):
         """
@@ -163,7 +163,7 @@
         Called when a step connector value changed
         @param event: wx.CheckBoxEvent
         """
-        self.RefreshPreview()
+        self.DrawPreview()
         event.Skip()
 
     def OnNameChanged(self, event):
@@ -171,10 +171,10 @@
         Called when step name value changed
         @param event: wx.TextEvent
         """
-        self.RefreshPreview()
+        self.DrawPreview()
         event.Skip()
 
-    def RefreshPreview(self):
+    def DrawPreview(self):
         """
         Refresh preview panel of graphic element
         Override BlockPreviewDialog function
@@ -192,4 +192,4 @@
                 getattr(self.Element, "Remove" + name.capitalize())()
 
         # Call BlockPreviewDialog function
-        BlockPreviewDialog.RefreshPreview(self)
+        BlockPreviewDialog.DrawPreview(self)