在工具栏上添加列表框 显示实时时间的例子-On the toolbar to add the list box displays examples of real time

labwindows环境下，本示例实现的使用滚动条的操作，可以实时显示滚动条的变化。-Under labwindows environment, use the scroll bar to achieve operating this example, you can display the scroll bar changes in real time.