繼承修飾符(在類上)
繼承
指定基類(或父類)
Public Class Person
End Class
Public Class Customer
Inherits Person
End Class
'One line notation
Public Class Student : Inherits Person
End Class
可能的物件:
Dim p As New Person
Dim c As New Customer
Dim s As New Student
NotInheritable
阻止程式設計師將該類用作基類。
Public NotInheritable Class Person
End Class
可能的物件:
Dim p As New Person
為 MustInherit
指定該類僅用作基類。 (摘要課)
Public MustInherit Class Person
End Class
Public Class Customer
Inherits Person
End Class
可能的物件:
Dim c As New Customer