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read protel SDF file to perform offline analyse

将窗口保存为JPG、PNG等图片格式，演示了CImage类在VC++中的应用，在VS2010下编译通过。(Save the dialog windows as JPG, PNG file, demonstrated the the CImage class in VC++, compiled by VS2010 under.)

通过事务查询，连接access数据库，完成页面导航功能(page navigation and location)

说明：  批次圖形轉換大小到目的資料夾，不更改原始圖形檔案(Batch graphics converter to the destination folder size does not change the original graphics file)

一个采用TCP协议的网络测试工具。采用VC6.0开发环境，具有客户端和服务器端，加入进来的客户端可以互相发送接受数据，对学习socket编程是不错的借鉴。(using a TCP network testing tools. VC6.0 use development environment with the client and server side, joined the client can accept each other this data, to learn socket programming is a good reference.)

网络延迟测试工具。测试出网络速度带宽，大小( Network latency test)

利用ICMP隧道技术的一个 SHELL 后门(use of the tunnel ICMP a backdoor SHELL)

通过串口读取GPS的信息，并解析信息，显示经纬度以及其他的一些主要值，并将该经纬度值转化成大地坐标值(Read through the serial port GPS information and analysis information to display latitude and longitude as well as some other major value, and the latitude and longitude values converted to geodetic coordinates)

用VC++2005写的禁用与启用U盘的源程序！(Written with VC++2005 U disk to disable and enable the source!)

DirectX开发的一个弹球例子，可以模拟弹球的运行轨迹(DirectX development of a pinball example, can simulate the operation of pinball trajectory)