Turn message display on or off
Enter the value returned by the function xPCOpenTcpIpPort.
Valid values are
Turns off the display
Turns on the display
On the target computer screen, the
sets the message display on the target computer on or off. You can
change the mode only when the real-time application is stopped. When
you turn off the message display, the message screen no
longer updates. Existing messages remain on the screen as they were.