创建一个带有“时间”的菜单，“时间”菜单中包含“年、月、日”、“小时、分、秒”和“退出”选项，其中选择“年、月、日”时，在窗口的对话框中显示当前的日期，选择“小时、分、秒”时，在对话框中显示是当前的时间。本例的工程文件名为12_5。

-Create a with a \"time\" menu, \"time\" menu contains \"year, month, day\", \"hours, minutes and seconds\" and \"exit\" option, which choose \"year, month, day\", in the dialog window display the current date, choose \"hours, minutes and seconds\", in the dialog shows is the current time. The cases of engineering documents _5 called 12.