ChangedOnLastWrite - property of the PmVar object
Flag showing if the value was changed by last writing.
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 "PmaRoot
" item of the INFO system (when looking into the object with this property).
var oData = pMe.Pm("/Data");
var bLast = oData.Item(0).ChangedOnLastWrite;