使用AutoCAD，从选定的折线返回的总长度。

公交车线路查询，可以查询公交车的到站和开车时间等-BusLineSearch

对“程序”菜单的编程，包括增加目录、增加程序、删除目录、删除程序等等。-right "procedures" menu of programming, including increasing the directory, add procedures, delete directory, delete procedures.

基于Qt的考勤管理系统，实现对学生，教师各个工种的考勤管理。方便快捷。与后台数据库相连，扩展性良好。

链表实现库存管理,可以进行商品的添加，删除等功能，还有日志文件管理-the list is manage stock file

一个操作演示如何操作剪贴板(Clipboard)来共享和传递数据的程序。比如在资源管理器（Windows Explorer）中可以剪切/拷贝/粘贴文件。同样我们也可以在自己的应用程序中通过剪贴板来完成这些工作，从而提高我们自己的应用程序与Windows操作系统之间的互操作性。-an operation and demonstration of how to operate the clipboard (Clipboard), and transmit data sharing procedures. For example, in resource management (Windows Explorer) can shear/copy/paste documents. Similarly, we can also in their applications through the clipboard to complete these tasks, in order to improve our own applications and the Windows operating system interoperability.

支持MPEG4编解码的播放器（要求显卡支持YUV的硬件支持），可播放IM4的文件。-support MPEG4 codec player (requiring support YUV graphics hardware support) IM4 can play in the paper.

memory leak test

内存清理程序，具有选择性，参数-s。通过纪录驻留内存的最高点地址。-Memory clean-up procedures, an optional parameter-s. Through the record of the presence of the highest memory address.

这是一个用阻塞方式的socket 做的聊天程序，使用了多线程和信号量技术，经本人测试程序可以运行。共编程爱好者交流使用-This is a blocking mode of socket used to do the chat program, the use of a multi-thread and semaphore technology, as I can run a test procedure. A total exchange of the use of programming enthusiasts

program with c++ and java . call each other easyly.