设已经在“菜单编辑器”中设计了窗体的快捷菜单,其顶级菜单为Bs,取消其“可见”属性,运行时,在以下事件过程中,可以使快捷菜单响应鼠标右键菜单的是
A.
Private Sub Form_MouseDown(Button As Integer,Shift As Integer, X As Single,Y As Single) If Button=2 Then PopupMenu Bs,2 End Sub
B.
Private Sub Form_Mouse Down(Button As Integer,Shift As Integer, X As Single,Y As Single) PopupMenu Bs End Sub
C.
Private Sub Form_MouseDown(Button As Integer,Shift As Integer,_ X As Single,Y As Single) PopupMenu Bs,0 End Sub
D.
Private Sub Form_MouseDown(Button As Integer,Shift As Integer,_ X As Single,Y As Single) If(Button=VbLeftBuaon)Or(Button=VbRighButton)Then PopupMenu Bs End Sub