C#清理系统回收站，彻底清除回收站，每个驱动器中为加收站分配的空间内的文件都要被彻底删除。虽然是清除回收站，不过通过此程序可以学习到一些其它的技巧，比如获

取计算机上的逻辑驱动器的名称、清空每个逻辑驱动器上的回收站、获得指定路径文件夹的名称、为每一个节点添加子节点、设置不选定状态下的图标、设置打开状态下的图标等-C# cleaning system recycle bin, the complete removal of the recycle bin, each drive station for charge distribution within the space of the file will be deleted. Although it is clear the recycle bin, but through this program can learn some other techniques, such as take the computer logic drive name, empty the recycle bin on each logical drive, access to the specified path name of the folder for each node, add a child node, set the icon selected state, setting open state under Icon