执行下列程序后，鼠标单击窗体，输出结果为 Private Sub Form_Click() Print "Click"； End Sub Private Sub Form_MouseDown(Button As Integer，Shift As Integ

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问题执行下列程序后，鼠标单击窗体，输出结果为
Private Sub Form_Click()
Print "Click"；
End Sub
Private Sub Form_MouseDown(Button As Integer，Shift As Integer，X As Single，Y As Single)
Print "Donw"
End Sub
Private Sub Form_MouseUp(ButtonAs Integer，Shift As Integer，X As Single，Y As Single)
Print "Up"
End Sub

选项 A、DownUpClick
B、ClickDownUp
C、DownClickUp
D、UpDownCliek

答案A

解析鼠标单击时，依次引发MouseDown、MouseUp和Click事件，即Click事件包含鼠标按下和放开事件。

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本试题收录于：二级VB题库NCRE全国计算机二级分类