ArcObjects Library Reference (Carto)  

esriOverposterCaps Constants

Overposter placement capability options.

Constant Value Description
esriCanPlaceLabels 0 Can Place Labels.
esriCanPlaceSymbols 1 Can Place Symbols.
esriCanAddBarriers 2 Can Add Barriers.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.