ChangedOnLastWrite - property of object PmVar
Flag showing if value was changed by last writing.
b = oData.Item(id).ChangedOnLastWrite
true - The value was changed by the last writing.
false - The value wasn't changed by the last writing, it means that the same value that was in the property before, was written.
Property access for read only
. The value of this property can be also obtained in the INFO system
item (when looking into the object with this property).