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當擴展一個類時,如何設置代碼以在基類的某個事件上執行?如何處理擴展類中的事件?
如果一個處理基類事件是這樣的:
Public Class Class2
Inherits Class1
Private Sub MyBase_MyEvent(sender as object, e as eventargs) Handles MyBase.MyEvent
' do stuff here
End Sub
End Class
還是應該重寫事件呼叫者子?
Public Class Class2
Inherits Class1
Protected Overrides Sub OnMyEvent(e as EventArgs)
MyBase.OnMyEvent(e)
' do stuff here
End Sub
End Class
非常感謝您