diff -r eecc53781498 -r fd1f6ae26d4f PLCOpenEditor.py
--- a/PLCOpenEditor.py	Mon Jan 19 17:07:03 2009 +0100
+++ b/PLCOpenEditor.py	Mon Jan 19 17:08:17 2009 +0100
@@ -883,20 +883,23 @@
         dialog = wx.FileDialog(self, "Choose a file", os.getcwd(), self.Controler.GetProgramFilePath(),  "ST files (*.st)|*.st|All files|*.*", wx.SAVE|wx.CHANGE_DIR)
         if dialog.ShowModal() == wx.ID_OK:
             filepath = dialog.GetPath()
+            message_text = ""
+            header, icon = "Done", wx.ICON_INFORMATION
             if os.path.isdir(os.path.dirname(filepath)):
-                result = self.Controler.GenerateProgram(filepath)
-                if result is not None:
-                    message = wx.MessageDialog(self, "Can't generate program to file %s :\n%s"%(filepath, result), "Error", wx.OK|wx.ICON_ERROR)
-                    message.ShowModal()
-                    message.Destroy()
+                program, errors, warnings = self.Controler.GenerateProgram(filepath)
+                message_text += "".join(["warning: %s\n" for warning in warnings])
+                if len(errors) > 0:
+                    message_text += "".join(["error: %s\n" for warning in warnings])
+                    message_text += "Can't generate program to file %s!"%filepath
+                    header, icon = "Error", wx.ICON_ERROR
                 else:
-                    message = wx.MessageDialog(self, "Program was successfully generated!", "Done", wx.OK|wx.ICON_INFORMATION)
-                    message.ShowModal()
-                    message.Destroy()
+                    message_text += "Program was successfully generated!"
             else:
-                message = wx.MessageDialog(self, "%s is not a valid folder!"%os.path.dirname(filepath), "Error", wx.OK|wx.ICON_ERROR)
-                message.ShowModal()
-                message.Destroy()
+                message_text += "%s is not a valid folder!"%os.path.dirname(filepath)
+                header, icon = "Error", wx.ICON_ERROR
+            message = wx.MessageDialog(self, message_text, header, wx.OK|icon)
+            message.ShowModal()
+            message.Destroy()
         dialog.Destroy()
         event.Skip()