This variable indicates the current output column for output created with ? and ??. It's analogous to the PCOL() function used with @...SAY output.
_PColNo = nStartColumnYou can set _PCOLNO to start ?? output in a specified column.
SET PRINT TO test.txt
SET PRINT ON
FOR ncnt = 1 TO 20
_PCOLNO = 2*ncnt
?? "Line "+PADL(ncnt,2)
?
ENDFOR
SET PRINT OFF
SET PRINT TO
* now examine Test.Txt to see the effect of setting _PCOLNO