[AccessD] Locking form controls 2003

Help please gurus.......trying to develop a routine which will lock (or disable) controls on a form. (Access 2003)

I am getting error 438 'Object doesn't support this property or method' on the line 'Select Case ctl.type'. 

Any idea why? I am using code I have used in 2000. Can I no longer say ctl.type? 

See code below:

--------------------------------------------------------------------------------


Code :

Public Function LockControls(strformname As String)
Dim frmIn As Form
Dim strerrormsg As String
Dim ctl As Control
'On Error GoTo Err_Handler
    
Set frmIn = Forms(strformname)
    For Each ctl In frmIn.Controls
             Select Case ctl.Type                                    'error occurs on this line............
                 Case acTextBox: ctl.Locked = True
             End Select
    Next

Normal_exit:
    DoCmd.SetWarnings True
    Exit Function

Err_Handler:
    MsgBox "Error: [" & Err.Number & "]  " & IIf(Len(strerrormsg) > 0, strerrormsg, Err.Description), vbCritical, "Error Message"
    Resume Normal_exit
End Function

______________________________________
Kath Pelletti
Software Design and Solutions Pty Ltd
Ph: 9505-6714
Fax: 9505-6430
kp at sdsonline.net