For information on converting to InterSystems IRIS, see the
InterSystems IRIS Adoption Guide
and the InterSystems IRIS In-Place Conversion Guide,
both available on the WRC Distributions page (login required).
pParameter is used to control whether "new" data is returned to the client.
Clients must explicitly pass in boolean flags in pParameter to indicate that they
can handle specific updates to the data in pMatrix.
The only flag implemented at this time is the 1 flag for Queue data.