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Version: 5.x

CANCEL operator

The CANCEL operator creates an action that cancels changes in the current session.

Syntax​

CANCEL [nestedBlock]

where nestedBlock has one of two possible syntaxes:

NESTED LOCAL
NESTED (propertyId1, ..., propertyIdN)

Description​

The CANCEL operator creates an action that cancels changes in the current session. By specifying the keyword NESTED you can specify local properties whose changes are not dropped when cancelling the changes.

Parameters​

  • LOCAL

    Keyword. If specified, all local properties preserve their changes after the CANCEL operator is executed.

  • propertyId1, ..., propertyIdN

    List of local properties. Each list element is a property ID. The local properties specified in the list will preserve their changes after the operator is executed.

Examples​

dropChanges()  {
    CANCEL NESTED (in[Sku]); // cancel all changes except the in property
}