问题详情

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


A、DownUpClick

B、ClickDownUp

C、DownClickUp

D、UpDownClick

时间:2022-01-04 17:33 关键词:

答案解析

A
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。