Henry手记－VB.net WinForm中的FORM初探(三）[6]

    readonly property item(byval index) as form　‘返回集合中某个位置的内容

        get

            return c.item(index)

        end get

    end property

    readonly property count() as integer　‘集合中元素数目的记录

        get

            return c.count()

        end get