Delphi中数据库关联树型结构生成与同步数据维护-Delphi, the database associated with tree-structure generation and synchronization of data maintenance

Delphi+MapX的例子,将地图中的图层名,图元名作为树视图显示的代码-Delphi+ MapX example, the map layer name, map element name as the tree view shows the code