code: public void addToolbarButtons(ToolScreen toolScreen)
      {
          super.addToolbarButtons(toolScreen);
          new SCannedBox(toolScreen.getNextLocation(ScreenConstants.NEXT_LOGICAL, ScreenConstants.SET_ANCHOR), toolScreen, null, ScreenConstants.DEFAULT_DISPLAY, null, ProjectTask.PROJECT_PREDECESSOR_DETAIL_SCREEN, MenuConstants.FORMDETAIL, ProjectTask.PROJECT_PREDECESSOR_DETAIL_SCREEN, ProjectTask.PROJECT_PREDECESSOR_DETAIL_SCREEN);
          new SCannedBox(toolScreen.getNextLocation(ScreenConstants.NEXT_LOGICAL, ScreenConstants.SET_ANCHOR), toolScreen, null, ScreenConstants.DEFAULT_DISPLAY, null, ProjectTask.PROJECT_TASK_CALENDAR_SCREEN, JCalendarPopup.CALENDAR_ICON, ProjectTask.PROJECT_TASK_CALENDAR_SCREEN, ProjectTask.PROJECT_TASK_CALENDAR_SCREEN);
      }
docs: Add button(s) to the toolbar.