禁止鼠标滚动记录

Public Function DoMouseWheel(frm As Form, lngCount As Long) As Integer
On Error GoTo Err_Handler
    'Purpose:   Make the MouseWheel scroll in Form View in Access 2007 and later.
    '           This code lets Access 2007 behave like older versions.
    'Return:    1 if moved forward a record, -1 if moved back a record, 0 if not moved.
    'Author:    Allen Browne, February 2007.
    'Usage:     In the MouseWheel event procedure of the form:
    '               Call DoMouseWheel(Me, Count)
    Dim strMsg As String
    'Run this only in Access 2007 and later, and only in Form view.
    If (Val(SysCmd(acSysCmdAccessVer)) >= 12#) And (frm.CurrentView = 1) And (lngCount <> 0&) Then
        'Save any edits before moving record.
        RunCommand acCmdSaveRecord
        'Move back a record if Count is negative, otherwise forward.
        RunCommand Iif(lngCount < 0&, acCmdRecordsGoToPrevious, acCmdRecordsGoToNext)
        DoMouseWheel = Sgn(lngCount)
    End If

Exit_Handler:
    Exit Function

Err_Handler:
    Select Case Err.Number
    Case 2046&                 'Can't move before first, after last, etc.
        Beep
    Case 3314&, 2101&, 2115&   'Can't save the current record.
        strMsg = "Cannot scroll to another record, as this one can't be saved."
        MsgBox strMsg, vbInformation, "Cannot scroll"
    Case Else
        strMsg = "Error " & Err.Number & ": " & Err.Description
        MsgBox strMsg, vbInformation, "Cannot scroll"
    End Select
    Resume Exit_Handler
End Function