用PowerBuilder编写的一个小程序，通过建立存储过程，从数据库中获得树图。-prepared by a small program, the process through the establishment of storage, database access from the tree.

listview、treeview添加背景图（防挤压图片）-listview, treeview add background images (anti-extrusion picture)

powerbuilder9.0老外写的漂亮界面,一个很牛的界面-Written by foreigners beautiful interface