存取方式的当中最普遍的的用长方形， 是根据区域的启发式优化围绕的长方形在各个内在结点通过运行在一张规范化的试验-access modes of the most widespread use of a rectangular shape, under the regional Heuristic Optimization around the rectangular inherent in all nodes running on a standardized test

无需调用API，利用该控件就可以把窗体设计为任意形状-without calling API, the use of the controls will be able to form design to be arbitrary shape

树形浏览器控件使用的源代码，使用vb开发值得- The shape of tree browser controls a use the source code, uses the vb development to be worth having a look