在VBA中设置对象的集合属性

我有一个以集合为属性的类

债券类别

Private pBondiSIN As String
Private pBroker As Collection

''''''''''''''''''''''
' BondiSIN property
''''''''''''''''''''''
Public Property Get BondiSIN() As String
    BondiSIN = pBondiSIN
End Property
Public Property Let BondiSIN(Value As String)
    pBondiSIN = Value
End Property

''''''''''''''''''''''
' Broker property
''''''''''''''''''''''
Public Property Get Broker() As Collection
    Broker = pBroker
End Property
Public Property Let Broker(Value As Collection)
    pBroker = Value
End Property

我这样称呼它：

Set tempBond = New Bond
tempBond.Broker = New Collection  => Gives me a error as Wrong number of Arguments or Invalid property assignment

不确定如何解决此错误。需要这方面的帮助。

熟悉

及

---

对于复杂对象（如Collections）使用

Set

关键字何时使用let和何时使用Set？

Public Property Set Broker(Value As Collection)
    Set pBroker = Value
End Property

Set tempBond.Broker = New Collection