$PF Function

This function evaluates to a Boolean value of True or False, depending on whether a program function key was pressed.

This function has the following format:

 {$PF1 }
 {$PF2 }
 { .   } [(panel‑name)]
 { .   }
 {$PFn }

panel‑name: When there is more than one currently active panel, you can specify a panel name. The default panel is the latest panel transmitted.

Example

TRANSMIT PANELX

SELECT
WHEN $PF1
   DO PROC‑PF1
WHEN $PF2
   DO PROC‑PF2
WHEN $ENTER‑KEY
   DO PROC‑ENTER
WHEN OTHER
   IF $RECEIVED(ORDER‑NO)
      DO PROC‑NORMAL‑ORDER
   ELSE
      MOVE REPROMPT‑MSG TO ORDER‑FORM.MSG
      SET ATTRIBUTES HIGHLIGHT
         ON ORDER‑FORM.MSG, ORDER‑NO
   ENDIFENDSEL