ON CHANGE OF

Reference

Syntax

ON CHANGE OF dobj [OR dobj1 [OR dobj2] ...].
  statement_block
ENDON.

Effect

Obsolete: Defines a control structure with a statement block statement_block. The statement block is executed if the data object dobj has changed since the pervious execution of the ON CHANGE OF statement.

Addition

• OR dobj1 [OR dobj2] ...
  The statement block is executed if the content of one of the data objects dobj1, dobj2, ... has changed.