实现地理信息系统的公里网格的类库，添加到VB工程里面就可以调用了-vb+MapObject

来源于网上，基于WPF和ArcEngine9.3开发，实现地图浏览等基本功能。-Microsoft’s WPF (Windows Presentation Foundation) provides the facility to host windows Forms controls within a WPF application. This sample demonstrates how to host ArcGIS Engine