一个简单的MFC ActiveX控件编程，主要实现系统当前时间（包括年月日等）的显示，同时也实现了背景颜色和字体的可变。帮助初学者学习ActiveX控件的编程。-a simple MFC ActiveX programming, the main current time system (including the date, etc.), while also achieving the background color and font variable. To help beginners