UniqueInstance

一直在寻找学习c++的好教材，听朋友介绍本书不错，好东西大家分享。(have been studying c find good material, listening to a friend on the book is true, the good things we share.)

说明：  点对点的聊天工具，公司不让QQ,SKYPE，就动手写了个超小巧的聊天工具(Peer-to-peer chat tool company from QQ, SKYPE, on hand to write a super-compact chat tools)

高斯坐标正反算VC++代码，包含有北京54、全国80和WGS-84三种坐标系！！(Gauss coodinates calculation code，vc++ implementation，including the following three corrinate： BeJing54，State80，WGS-84.)

在局域网内抓取所需要的IP数据包，使用VC++6.0工程编写。(Grab the required IP packets in the LAN.)

用户注册简单系统保证开发者权益方便初学者(Simple user registration system to ensure that the interests of developers easier for beginners)

说明：  在動態的圖片中畫框，內建範例圖片，應用於使用者區塊選取(In a dynamic picture frame, built-sample images, applies to the user to select block)

说明：  设置一次密码，即可使用。支持开机启动，支持无操作锁定。 附带注册机源代码。(Set a password once, you can use it. Support boot start, support no operation lock. Include the source code of registry machine.)

防金山毒霸界面源码，希望对大家有所帮助~(Anti-Duba interface source, we want to help ~)

验证码其中的一个文件求大神告知，主要想下个源码，谢谢(The verification code in which a file seek God inform, mainly want the next source, thank you)

COM8虚拟串口COM0，实现GPS通信(COM8 Virtual Serial COM0, GPS communication)