The following code was kindly provided to me:

Private Sub Worksheet_Change(ByVal Target As Range)
Const fixed_name = "lock_formula"
Const refer_str = "=Sheet1!$H$1:$H$800"
Dim rng As Range
Dim save_formula

If IsError(Evaluate(fixed_name)) Then
ActiveWorkbook.Names.Add Name:=CStr(fixed_name),
RefersTo:=CStr(refer_str)
Else
If CStr(ActiveWorkbook.Names(CStr(fixed_name)).Refers To) <
CStr(refer_str) Then
On Error GoTo CleanUp
Application.EnableEvents = False
Set rng = Evaluate(fixed_name)
save_formula = rng.Formula
rng.Value = ""
Set rng = Range(CStr(refer_str))
rng.Formula = save_formula
ActiveWorkbook.Names(CStr(fixed_name)).RefersTo =
CStr(refer_str)
Else
'do nothing
End If
End If

CleanUp:
Application.EnableEvents = True
End Sub


I now want to include another range within the code:

Const refer_str = "=Sheet1$R$1:$R$800"

can anyone help with this?

thanks
Pat