网上找的非常基础的文章，测试发现当Single Expand property和Always Show Selection属性同时设置为TRUE时，Always Show Selection会失效，不知道这样的认识对不对？- MFC Tree controls are one of the useful controls to show a hierarchical view of items. They can show the folders list, any parent- child

利用TreeView控件制作伸缩形树状目当,可方便浏览分级视图或信息,也可打开执行不同的功能.-TreeView control is made using a tree-shaped head when stretching, you can easily browse a hierarchical view or information, can also be opened to perform different functions.