I stole this from a website out there as an example of what they say you can
do with a wrapper function:

RTD function:
=RTD(RealTimeServerProgID,MachineNameWhereServerRuns,Topic1,[Topic2],…)

Wrapper function:
=GetMyData(MSFT,LAST)

function GetMyData(mySymbol,myField) as variant
'PUT YOUR TEST HERE
GetMyData =application.worksheet
function.RTD(“myDLLName.myClassModuleName,myMachineName,mySymbol,myField)
End function

Regards

"Paul987" wrote:

>
> Thanks for the responses, but I'm loking for a little more specific
> advice. I got kind of lost at the "VBA wrapper function." Has anyone
> run into this problem before?
>
>
> --
> Paul987
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