DBTree结构的Delphi树形菜单实例源码，可实现添加节点时自动编号，可一次删除节点分类及子节点下所有分类，为了更好的演示与数据库的配合，本实例加入了Access数据库，相信通过这个实例，你对DBTree的使用会更进一层。-The DBTree structure of Delphi tree menu example source code, you can add nodes AutoNumber can delete the node classification and sub-node classification for better presentation and database with the instance has joined the Access database, I believe that through this instance, you use of DBTree will one step further.