ENDWHILE Keyword

WHILE expression
    ...
ENDWHILE

Marks the end of a WHILE..ENDWHILE loop. See WHILE. The ENDWHILE keyword must match a previous WHILE. WHILE..ENDWHILE loops may be nested and also contain other forms of loops.

Example:

PRINT "START"
N = 0
WHILE N < 10
    PRINT "IN OUTER WHILE, N = "; N
    O = 0
    WHILE O < 2
        PRINT "IN INNER WHILE, O = "; O
        O = O + 1
    ENDWHILE
    N = N + 1
ENDWHILE
PRINT "LOOPS DONE"