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Option Explicit
Sub abc(ByRef s As String)
s = "456"
End Sub
Sub Man()
Dim s As String
s = "123"
abc s
MsgBox s '(1)
s = "123"
abc (s)
MsgBox s '(2)
End Sub
Private Sub Command1_Click()
Man
End Sub
为什么两次s值不同那?是理解不对,还是........?