int function ( ) { return code ; }
return the type of event that is occurring . concode_field_sep int REDONE concode_elem_sep int OPERATION_ADDED concode_elem_sep int OPERATION_CHANGED concode_elem_sep IOperationHistory history concode_elem_sep int OPERATION_REMOVED concode_elem_sep int ABOUT_TO_REDO concode_elem_sep int UNDONE concode_elem_sep int code concode_elem_sep int OPERATION_NOT_OK concode_elem_sep IUndoableOperation operation concode_elem_sep int ABOUT_TO_UNDO concode_elem_sep int DONE concode_elem_sep int ABOUT_TO_EXECUTE concode_elem_sep IStatus status concode_field_sep IOperationHistory getHistory concode_elem_sep IUndoableOperation getOperation concode_elem_sep IStatus getStatus