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).
Flag to indicate whether the current object should be handled in ReadOnly mode.
A value of 1 indicates that the class could not be locked.
A value of 2 indicates that the source control framework indicated that the document is ReadOnly.