ERSI 的 MapObjects例子，运行需要MapObjects控件。鼠标左键放大，右键显示全图，控件大小随窗口变化等地理信息系统基本功能，适合与Mapobjects入门参考。-ERSI the MapObjects example, the operation of MapObjects. Click the left mouse button, right-click map shows, with the window size controls changes in geograph