【单选题】( 32 )设有如下窗体单击事件过程: Private Sub Form. Click () a = 1 For i = 1 To 3 Select Case i Case 1 , 3 a = a + 1 Case 2, 4 a = a + 2 End Select Next i MsgBox a End Sub 打开窗体运行后,单击窗体,则消息框的输出的结果是
【单选题】设有如下窗体单击事件过程: Private Sub Fom_Click. a =1 For i –To3 Select Case i Case 1,3 a =a +1 Case2,4 a =a +2 End Select Next i MsgBox a End Sub 打开窗体运行后,单击窗体,则消息框的输出的结果是