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Bt,取消其“可见”属性,运行时,在以下事件过程中,可以使快捷菜单相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 Bt, 2 End Sub
B.
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) PopupMenu Bt End Suh
C.
Private Sub Form. MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) PopupMenu Bt,0 End Sub
D.
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, _ X As Single, Y As Single) If (Button=vbLeftButton) Or ( Button=vbRightButton) Then PopupMenu Bt End Sub