P$DISPLAYDIALOG
The P$DISPLAYDIALOG library routine invokes the standard Choose Printer dialog box. After choosing a printer with this dialog box, the next open of a dynamic printer device will use the selected printer.
Syntax
 CALL "P$DISPLAYDIALOG" GIVING dialogReturn
Return code
dialogReturn
PIC 9(n)
Receives the exit status: zero if the user selects a printer and non-zero if the user cancels the operation.