如何实现标签页式的切换窗口,做一个在窗口有两个象标签式的按钮，然后有两个窗口可以通过他控制，并且两个窗口中显示的内容是动态的！-How to switch tab-style window, do like a tabbed window with two buttons, and then there are two windows through his control, and window displays the contents of the two is dynamic!