Base class for all event handler types. You should always use the specific event handler interfaces. For example API_IClassificationItemEventHandler.

  

Requirements

Version: API 26 or later

Header: APIdefs_Callback.h

 

See Also

API_IClassificationItemEventHandler,
API_IClassificationSystemEventHandler,
API_IGraphisoftIDEventHandler,
API_IPropertyDefinitionEventHandler,
API_IPropertyGroupEventHandler,
API Types