And it would have been nice if Conditional Formatting supported font size
changes, but unfortunately it doesn't... (I guess that that is the reason you
tried to run a macro in the first place, right...?)

But you can of course run your macro as part of an event handler, e.g.,
Worksheet_Calculate() or Worksheet_Change(), which will then update your cell
format whenever your criterion has been met.

You can get hold of some example code he

http://exceltips.vitalnews.com/Pages...ionally.ht ml

Cheers,
/MP

"Dave Peterson" wrote:

Functions like these can't change the font.

With a couple of minor exceptions (like message boxes), they can only return
values to the cell that contains the function.


Willot wrote:

If I have a sheet Formula =IF(A1 < "",ChangeSize())

and the ChangeSize() Sub in a VBA module is

Sub ChangeSize()
Msgbox(ActiveCell.value)
ActiveCell.Font.Size = 15
End Sub

It Puts up the Msgbox with the value of A1
But it doesnt change font size in the cell???

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Willot
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Dave Peterson