聊天室，用SVN管理了源码，QT做的界面，别人写得，水平比我高-Chat rooms, managed by SVN source, QT interface to do, other people write, the high level than I

本程序是一个简单的实例，实现了QT下界面的切换，对QT的初学者比较合适-This program is a simple example, under the interface to achieve the QT switch on QT' s more appropriate for beginners ... ...

卡耐基教程ssd4考试二的参考代码,代码比较简洁凝练，界面美观，符合考试中关于两种模式的切换要求。-This is the reference codes for SSD4 examination2，which is suit to the demonation of the exam and the design of the interface is quit simple and beautiful.