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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(Button As Integer,Shift_ As Integer,X As Single,Y As Single) Print“Up” End Sub

单选题
2022-01-04 17:33
A、DownUpClick
B、ClickDownUp
C、DownClickUp
D、UpDownClick
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正确答案
A

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

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