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

admin2010-11-20  33

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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