请问在vc++怎样实现在一个窗体中显示不同的内容(当按不同的按钮时切换)。-I would like to ask in vc++ How to achieve in a different form to display the content (when the button for different switch).

一个流量显示的程序，通关过VC中的BOTTON组件重绘一个流量显示的界面。-a net traffic project,it is a net traffic view redrewing form a button component in VC.