The PIBatch property provides a reference between the PIUnitBatch. and PIBatch. This property is read-only and is set when the PIUnitBatch is added to the PIUnitBatches collection of a PIBatch.
The object placeholder is an object expression that evaluates to a PIUnitBatch object.
This is a read-only property and is modified via the PIUnitBatches collection of a PIBatch.