主要是北斗导航卫星位置定位

WINDOWS编程，一个有实用价值的TCP客户端程序，用于聊天，极为实用-For windows, this is a valuable TCP client programe, we can use it to communicate each other.

本人在网上找了很久的CXImage库，强大的开源图像处理库，非常适合VC下开发图像处理的小伙伴，而且修改了错误，利用VS2012编译通过。

高斯投影，选择不同的椭球参数由大地坐标的正反算-Gauss Projection

visual basic 编写的完整功能计算器，已经过测试。没有解压密码，放心使用-visual basic preparation of a complete functional calculator, has been tested. No extract passwords, use assured

在控件之间拖放 -The example of drag and release between activex control

一个sdk菜单演示例子-a demonstration examples sdk menu

自己写的一个c++的模板排序类，提供了选择和冒泡两种常见的排序方法-Himself wrote a c++ Sort of template categories, provided the selection and bubble sort on two common methods

kohonen som with drwing it map and a nice gui

VC 6.0编写（SDK程序） 可以让桌面下雪的小程序 自己写的 希望大家喜欢-VC 6.0 preparation (SDK program) allows desktop snow applet wrote it myself hope you like

一个组播发送和接收的demo,很实用的，接收信息写到文件，并存入数据库，牵扯的知识面很多。值得一看。-A multicast to send and receive demo, very practical, and receiving information to write the file, and stored in the database, involve a lot of knowledge. Worth a visit.