WHILE
Reference
Syntax
WHILE log_exp
[VARY dobj FROM dobj1 NEXT dobj2 [RANGE range]].
[statement_block]
ENDWHILE.
Effect
Executes the statement block statement_block in a loop as long as the logical condition log_exp is true.
Addition
-
VARY dobj FROM dobj1 NEXT dobj2 [RANGE range]
Obsolete:
For each loop execution of a variable, assigns a value from the sequence
defined in the memory using dobj1 and
dobj2 to a variable dobj. The data object range limits the addressable memory area.