As I was looking for a more advanced tree control, I came across the article Tree Editor by Yossi Patt. The tree control in this article seemed to have most of the features I had need for. Unfortunately this tree control was nearly unusable outside i

我写了一个类，专门用来操作Treeview和数据库，通过数据库中的数据自动添加到Treeview控件中，不过数据控件用的是ADO组件，另外数据库中存放Treeview节点数据表的结构位：ID:integer PID:Integer Caption:string 字段名成可以不同，但是类型必须相同！-I wrote a class specifically designed to operate Treeview and databases through the data in the data