PropertyDefinition :: descendingOrder - Descending order
The option is used to mark a key component for descending sort order. By default, an ascending order is assumed for all key components. When this option is set, this key component is ordered descending.
Also when defining dynamic attribute definitions (attribute extensions), this option may be passed by the application.
Return value: Success ( bool )
The value is true when the function was executed successfully. Otherwise the value is set to false.
Implementation details
bool
PropertyDefinition :: descendingOrder ( )
If the function is not called with a valid property definition it throws an exception.