这个主要是说明如何在静态控件中动态显示倒计时的时间，这里面主要介绍了如何应用定时器时间，以及如何把数据传递到窗口中的控件上。-This mainly explains how to dynamically display the countdown time in static control, which controls which describes how to use the timer on time, and how to pass data to the window.