此程序可以教你如何制作像QQ那样，点击表情那个按钮，就会弹出整个QQ表情-This program can teach you how to make do as QQ, click on the button face will pop up throughout the QQ expression

显示表情。编写程序，显示不同的表情。在窗口上至少包括4个按钮，分别控制显示不同的表情和退出程序.-Show expression. Programming, show different expressions. On the window includes at least four buttons that control the display of different expressions and exit the program.

一个简单的表情选择程序，共四个表情按钮，一个退出按钮。每次选择一个按钮就会显示相应的表情。-A simple expression of the selection process, a total of four face buttons, an eject button. Each time you select a button will display the corresponding expression.