主题：请问如何定义数组的集合

直接定义object，添加什么都可以。

Dim ls As new List(Of object)
Dim ary1() As String = {1,2,3,4,5}
ls.add(ary1)
Dim ary2() As String = {"a", "b"}
ls.add(ary2)

For Each obj As object In ls
    For Each s As String In obj
        output.show(s)
    Next
Next