主要介绍打开文件对话框，实现对图象，文本等预览。

D3D9初级教程(含PDF文档和10篇VC源文件) D 3D9初级教程(含PDF文档和10篇VC源文件)-transactions (including PDF files and the source of 10 VC) transactions primary Guide (including PDF files and 10 VC source file)

The source code about thread.it is very important to help understand how to create java threads

本程序允许进入xml文件的URL，使用新的合法支持，可以在网站上运行-This demo allows the user to load and parse a specified XML document. Then, through a text box the user can navigate and manipulate the tree. This is both a useful example of how to walk the XML tree using the XML Object Model and a useful tool for learning the XML Object Model.

csv library, which provides functionalities to open, edit, and save data tables to and from csv files.

类似金山词霸生词本的DAO数据库代码,实现的功能：把数据库中的记录显示到列视中，可以进行记录添加、删除、修改、查询等操作。-similar free email wordlists DAO Database of the code, the functions : database of the records shows that, as shown, can be recorded to add, delete, modify, search operation.

能够实时的人脸跟踪，检测，识别，基于MFC界面，封装的程序与OPENCV计算机视觉库，可以直接运行。

模拟语音留言系统，不错-analog voice mail system, it is true

学生成绩管理系统，有源程序及实验总结，适合学生大作业-Student achievement management system, has summed up the source code and experiment is suitable for students operating

关于4X4矩阵键盘的设计与识别技术内含例程序方便用户下载使用-4X4 matrix keyboard on the design and identification procedures intron Example user-friendly download

列举文件夹下的所有文件 ,包括该文件夹下的所有子文件 -folder list of all documents, including documents in the folder of documents for all