Calling a macro from a conditional function

[gessel]

I'd like to hide rows based on data in the row as in

=IF(c5<>1,c12/2,HideRow)

Seems like it shouldn't be too tricky, but just creating a relative macro called "HideRow" doesn't work. Is it a declration thing? Redefining it as publicfunction seems to return "0".

[Tom Schreiner]

Hi
This seems like it will accomplish what you need.
I though I had seen syntax to call a procedure from a formula, but I cannot find any info that's even close...
Try this for now.

Private Sub Worksheet_Change(ByVal Target As Range)
If Target.Address = "$C$5" Then _
If Range("C5") = 1 Then HideRow
End Sub

Tom

[gessel]

Thank you fro your help, but I think I was a bit unclear. I want this to execute per row, so I'd drag-fill that command down the column
=IF(c5<>1,c12/2,HideRow)
=IF(c6<>1,c12/2,HideRow)
Each row being hidden on the c value.
...