用Visual Basic语言对Map Object进行二次开发的一个程序系统,包括图像编辑,空间查询,网络分析等众多功能.-,Visual Basic,GIS编程/GIS program -with Visual Basic language Map Object right for the second development is a process EC, including image editing, spatial query, and many other network ana

使用MAPX编程制作GIS系统必须包含的头文件,可以实现MAPINFO的90%功能,适于二次开发-Connection programming produced using GIS system must be included in the header files, can achieve 90% of MapInfo functional and suitable for secondary development