地理信息系统控件，使用VB和Map Objects 控件编程，对二次开发的人很有帮助...

应用背景5版开始形成frmexample   VB； ； ；BorderStyle  ； ；=  ；5  ；“크기조정가능도구창 ； ；标题 ； ； ； ；=  ；”过程关键技术VB processhider此代码可以隐藏和显示处理过程

利用地图图层的属性项填充下拉列表。 用C#实现。-use map layer attributes the drop-down list of items packed. C# achieve.

.net类库形式 加载17monipdb.dat，并提供ip地址解析，public string[] Find(string ip)

VB6.0+MAPX开发原理-VB6.0 Connection Principle Development

 This project allows you to track cell phones periodically. For instance every minute or every five minutes. You can watch the cell phone being tracked in real time using google maps and you can store and reload routes easily. You have the choice of two server stacks. Either using asp.net and sql server or using php and mysql. Historically, devs have downloaded the asp.net server project 2 to 1 over the php project. I have included both now in the same download but you only need to use one.

UG二次开发实例 利用VC开发UG 使界面更加丰富-UG secondary development of examples of the use of VC development of UG to make a richer interface

资源描述完整的gps应用程序，包括前端数据采集程序 读取星历程序、单点定位程序，差分定位程序、RTCM电文编码译码程序等

GPS中一个读取RINEX程序模块，可由给定的卫星号及历元时刻读出C1，P1，P2，L1和L2观测量.-GPS RINEX a reading program modules can be given to the satellite, and Epoch moment to read out C1, P1, P2, L1 and L2 observables.

创建空间索引结构R树的源程序，解压后的文件中有readme文档。-create spatial index R-tree structure of the source, the paper after extracting a readme file.

求最短路径的算法-seek the shortest path algorithm