这段VB程序如何转换成VB.NET的语言？

这段VB程序如何转换成VB.NET的语言？Private mCol As CollectionPublic Property Get NewEnum() As IUnknown| IUnknown的用法？Attribute用法？小弟看MSDN没有Attribute NewEnum.VB_UserMemId = -4 | 搞明白 请高手指教Attribute NewEnum.VB_MemberFlags = "40" | | Set NewEnum = mCol.[_NewEnum] | End PropertyPublic Property Get Item(vntIndexKey As Variant) As CFtpFileAttribute Item.VB_UserMemId = 0'获得一个成员的信息 Set Item = mCol(vntIndexKey)End Property怎么没有人知道啊??