ArcObjects Library Reference (GeoDatabase)  

IObjectClassExtension Interface

Indicator interface for object class extensions.

Product Availability

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

CoClasses that implement IObjectClassExtension

CoClasses and Classes Description
AnnotationFeatureClassExtension (esriCarto) An Esri annotation feature class extension.
DimensionClassExtension (esriCarto) A class extension which contains all the style properties for a dimension feature class.
ForceElements (esriDefenseSolutions) Class extension object used to create force element point feature classes.
GeocodedFeatureClassExtension (esriLocation) A class extension for automatically maintaining geocoded feature classes.
TacticalAreas (esriDefenseSolutions) Class extension object used to create tactical graphic polygon feature classes.
TacticalLines (esriDefenseSolutions) Class extension object used to create tactical graphic polyline feature classes.
TacticalPoints (esriDefenseSolutions) Class extension object used to create tactical graphic point feature classes.