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
A.DownUpClick
B.ClickDownUp
C.DownClickUp
D.UpDownCliek
参考答案: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。