用VB6编写界面程序时，用TextBox控件和UpDown结合输入时间非常方便，但编码繁琐，本文介绍用本控件可以解决这一问题-Interface program written with VB6, combined with the TextBox control, and UpDown input time is very convenient, but complicated coding, this paper introduced the use of this control can solve this problem