CALL "WIN$PRINTER" USING WINPRINT-GET-NO-ASYNC-JOBS                           jobsCount                    GIVING returnCode  | 
WINPRINT-GET-NO-ASYNC-JOBS  | Constant  | |
jobsCount  | Numeric data item  | Receives the number of asynchronous print jobs.  | 
1   | Operation successful.  | 
WPRTERR-UNSUPPORTED  | The WIN$PRINTER library routine is not supported.  | 
WPRTERR-BAD-ARG  | The WIN$PRINTER library routine has been called with bad parameters.  |