XuiMessage()
XuiMessage() is the simplest way to display a a modal window to display a message.

XuiMessage ( message$ )

message$ - message to display on Label grid in XuiMessage1B

XuiMessage() displays a message in an XuiMessage1B grid and waits for the user to click the cancel button, press an Enter or Escape.

Newline characters ("\n") in the message string break the message into multiple lines. For example:

XuiMessage ( @"Hello Emperor\n\nDo You Realize\nYou Are Naked") 

XuiMessage() sample program
'
' ####################
' ##### PROLOG #####
' ####################
'
PROGRAM "naked"
VERSION "0.0000"
'
IMPORT "xui"
'
DECLARE FUNCTION Entry ()
'
'
' ######################
' ##### Entry () #####
' ######################
'
FUNCTION Entry ()
'
XuiMessage (@"Hello Emperor\n\nDo You Realize\nYou Are Naked")
'
END FUNCTION
END PROGRAM