用VB+MapX实现的用于PDA和PC机的GPS显示源码（很有参考价值），GPS信号采用NMEA0183协议。-GPS code for PDA&PC by using VB+MapX(valuable),GPS signal using NMEA0183 standard

evc与mapx mobile 在PDA上开发的GIS系统，主要的mapinfo功能都包含在里面。你的电脑上最好有evc++4.0和ppc2003模拟器，还有mapx mobile，没有都可以去官方网站上下载-AES with MapX mobile PDA development of the GIS system, the main function of MapInfo are included in the inside. Your computer is the best and pp

mapx mobile版本在C#中引用的接口源码，主要用于PDA上开发地理信息系统使用。,mapx mobile version of the C# interface source quoted, mainly for the development of PDA on the use of geographic information systems.

evc与mapx mobile 在PDA上开发的GPS接收器。你的电脑上最好有evc++4.0和ppc2003模拟器，还有mapx mobile，没有都可以去官方网站上下载-AES with MapX mobile PDA development of the GIS system, the main function of MapInfo are included in the inside. Your computer is the best and ppc2003 AES Simulato