用来设置树形节点的属性框控件，VC++源代码，使用注意，选中树窗口中的结点后, 可以在属性窗口修改其属性。也就是鼠标只要一点击树形菜单中的任一节点，下边的属性窗就会处于高亮编辑状态，用来编辑树控属性非常方便。 -Used to set the tree node properties box control, VC++ source code, use the note, select the node in the tree window, you can modify its properties in the Properties window. That is just a mouse click on any of the menu tree node, the properties window below will be highlighted in edit mode, to edit the properties of the tree control is very convenient.