Solved! Go to Solution.
This functionality is exposed in the UI, but is not available in the ArcObjects SDK.
Sorry, but most new functionality (descriptions were added to standalone tables in 10.0) is not put into ArcObjects by design.
Is ArcObjects going to be deprecated or downgraded for external users from this point forward? What is the programming platform game plan going forward?
No, we're not deprecating ArcObjects. We're just creating new ways to program against ArcGIS. See the "Developers" section of Jack Dangermond's Q&A from last year's user conference:
http://events.esri.com/uc/QandA/index.cfm?ConferenceID=AC1DD535-1422-2418-7F1722E62B9B416A#448