Timothy

Overriding

覆寫父親的Method

子類別不想直接繼承使用(重寫或部份衍生)

子類別

 

  '想改寫父親有的 method calSalary()
    Public Overrides Function calSalary() As Decimal
        Dim b As Decimal = MyBase.calSalary() '原來底薪
        Me._salary = b + Me._bon

    End Function

 

 

父類別    

 

     '薪資計算的功能Method
        '定結構 非關細部操作
        'Overridable 允許子類別可以進行複寫
        Public Overridable Overloads Function calSalary() As Decimal
            Return Me._salary
        End Function

06-21.rar