myDirectionBinding = new ComboViewerBinding(myDirectionComboViewer, argument, EOArgument.DIRECTION, null, null, null);
if (argument != null) { myDirectionBinding = new ComboViewerBinding(myDirectionComboViewer, argument, EOArgument.DIRECTION, null, null, null); }
  protected void _argumentChanged(AbstractEOArgument _argument) {    EOArgument argument = (EOArgument) _argument;    myDirectionBinding = new ComboViewerBinding(myDirectionComboViewer, argument, EOArgument.DIRECTION, null, null, null);  }