自己写的关于TREEVIEW控件的源代码，非常简单，适合第一次接触这个控件的人使用-himself wrote on the Use TREEVIEW Control source code is very simple, for the first contact with the control to the use of

First of all, there are lots of custom tree controls available so what s the need for this? In one of my projects I happened to use several tree controls to show data objects at different levels and I had to deal with user actions. Each time, my tree