当想单击相邻的切换按钮并将其设置为TRUE时，我想使切换按钮返回其FALSE状态无济于事。当一个切换为真时，将显示几个文本框，允许用户输入数据。完成后，用户使用命令按钮将数据发送到工作表。我想要的是，当一个切换处于 TRUE 状态时，另一个切换必须保持 FALSE，直到单击这将使前一个按钮成为 FALSE。这是用户表单的代码和图像

Private Sub Tractor_Click()
   If Me.Tractor.Value = False Then Exit Sub

   Me.Trailer.Value = False

   If Tractor.Value = True Then
      Unitnumber.Visible = True
      AengineSN.Visible = True
      tractorunit.Visible = True
      Tbaengine.Visible = True
      Submittractor.Visible = True
   End If
End Sub

Private Sub Trailer_Click()
   If Trailer.Value = True Then
      If Me.Trailer.Value = False Then Exit Sub

      Me.Tractor.Value = False

      Unitnumber2.Visible = True
      BengineSN.Visible = True
      CengineSN.Visible = True
      PowerendSN.Visible = True
      TransmissionSN.Visible = True
      TorqueconverterSN.Visible = True
      RadiatorSN.Visible = True
      trailerunit.Visible = True
      Tbbengine.Visible = True
      Tbcengine.Visible = True
      Tbpowerend.Visible = True
      Tbtransmission.Visible = True
      Tbtorqueconverter.Visible = True
      Tbradiator.Visible = True
      Submittrailer.Visible = True
   End If
End Sub