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 relationship items etc.,

　 CTreeCtrl is the class which handles all the MFC Tree Control related operations



. It has all the necessary methods to Add MFC Tree control items, Retrieve selected items, Remove the items and other event handlers needed.