Classes

AcMapClassificationManager 

Performs general classification operations at the drawing level. For more information, search for feature classification and feature definitions in AutoCAD Map Help. 

AcMapObjClassDefinition 

Manages a feature class definition stored in the feature-definition file. Because all information related to a feature class definition is stored in the feature-definition file, it is possible to manage an AcMapObjClassDefinition instance only if the correct feature-definition file is attached to the current drawing. If the feature-definition file is missing, these functions will fail. For more information, search for feature classification and feature definitions in AutoCAD Map Help. 

AcMapObjClassProperty 

Manages a property for a feature class definition. For more information, search for feature classification and feature definitions in AutoCAD Map Help. 

AcMapObjClassReactor 

Base class that is notified of classification events. Custom reactors are classes derived from AcMapObjClassReactor. See the AcMapObjClassSystemclass for a description of adding and registering a custom reactor. 

AcMapObjClassSystem 

AcMapObjClassApi.lib
Manages the registration and unregistration of classification reactors. Reactors are classes derived from AcMapObjClassReactor.
To add a custom reactor:Derive a custom class AcMapObjClassMyReactor from AcMapObjClassReactor: