>You don't need macro substitution:
>
>

>FOR i = THISFORMSET.nStart TO THISFORMSET.nEnd
>	FOR lnPosCommands = 1 TO ALEN(THISFORMSET.acCommands)
>*		lcCommand = THISFORMSET.acCommands(lnPosCommands)
>*		&lcCommand
>		EVALUATE(THISFORMSET.acCommands(lnPosCommands))
>	ENDFOR
>	=MESSAGEBOX(VARTYPE(i)) &&<= displays 'C'
>	*i = Val(i)
>ENDFOR
>

>
>Check THISFORMSET.acCommands[], may have "i = ALLTRIM(STR(i))"
>
>Is i being passed by reference to any of the functions?

i is never passed by reference (no @) and all the commands in acCommands are basically the same function call with different parameters (only the last two change):

save_FridgLabel(ALLTRIM(STR(i)), 20, 10)
save_FridgLabel(ALLTRIM(STR(i)), 20, 5)
save_FridgLabel(ALLTRIM(STR(i)), 10, 10)

etc.

The function save_FridgLabel is in a DLL and is defined as follows:

extern "C" __declspec(dllexport) LONG save_FridgLabel(LPSTR, LONG, LONG);

Is it because of the DLL function (even though the LPSTR seems appropriate)?

Stephane.


P.S. The first parameter of the function is never used a left operand in the C function.