HOW TO：枚举网络邻居的计算机及其共享文件夹[5]

    private function addnode(byval text as string) as treenode

        return me.treeview1.nodes.add(text)

    end function

    private function addnode(byval node as treenode, byval text as string) as treenode

        return node.nodes.add(text)

    end function