The tool bar contains symbols for all essential commands, and provides an easy access to the most frequently used functions.
      QuitCloses the type editor.
      Object typeCreates a new object type within the selected model type.
      Property typeCreates a new property type within the selected object type.
 View
      typeCreates a new view type within the selected model type or view type
 Presentation typeCreates a new presentation type within the selected view type
      UndoCancels the user's last action.
      RedoRestores the outcome of a cancelled action.
      Processing statusDisplays or hides a list of the steps performed.
      Maximise dialogEnlarges the dialog to screen size.