![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
设已经在菜单编辑器中设计了窗体的快捷菜单,某顶级菜单为al,且取消其'可见'属性。运行时,可以使快捷菜单的菜单项响应鼠标左键单击和右单击的事件过程是
A.
Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single,Y As Single If Button=2 Then PopupMenu al,2 End Sub
B.
Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single, Y As Single PopupMenu al,0 End Sub
C.
Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single,Y As Single PopupMenu al End Sub
D.
Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single,Y As Single If(Button=vbLetfButton) Or (Button=vbRightButton) Then PopupMenu al End Sub