一个重载的树形控件，添加了一些新属性和接口，可以从库表中直接载入树形结构-a heavy load of tree controls, add some new attributes and interfaces from the library directly included in the table tree structure

一个重载的树形控件，添加了一些新属性和接口，可以从库表中直接载入树形结构-a heavy load of tree controls, add some new attributes and interfaces from the library directly included in the table tree structure