(^) End change logging void SDO_DAS_Chang
(^) Test to see whether change logging is switched on
(^) Get the changed data objects from a change summary
(^) Get the type of change made to an SDO_DataObject
(^) Get the old values for a given changed SDO_DataObject
(^) Get the old container for a deleted SDO_DataObject
(^) Begin change logging void SDO_DAS_Cha