Declare Form Object時 可以使Object觸發Event的方法

'test() 為 一張 form class ,  要Declare Testing2 為有test功能的Object
Dim WithEvents Testing2 As New test()

Private Sub Test2_Close(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Testing2.FormClosing
'Event觸發後的Run Code
End Sub