树控件的灵活应用，可以有图表显示可编辑等作用-Flexible application of the tree control can be editable, such as a chart showing the role of

对列表控件和树形控件的简单应用，实现编辑功能，对初步掌握列表控件喝树形控件有很好的指导作用-On the list control and tree control easy application implementation Edit function, on the preliminary master list of control drinking tree control has an excellent role in g