( Simple BusyRequester Example ( To Try this, open RPL Window and enter the following command ( "busyreq.rpl" LOAD BusyTest ( ------------------------------------------------------------ VARIABLE BusyHnd : BusyTest "Doing Nothing ..." BUSY_OPEN BusyHnd ! 1000 0 DO BusyHnd @ ( fetch handle 0 ( new title I 10 / ( value 0 ... 100 BUSY_UPDATE BusyHnd @ ( fetch handle BUSY_CANCEL ( check if cancelled IF LEAVE ENDIF LOOP BusyHnd @ BUSY_CLOSE ;