已知有定义constintD=5;inti=1;doublef=0.32;charc=15;则下列选项错误的是( )。
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