adding to Tim's comments: you can return an arbitrary error code from on backup startup / shutdown
http://doc.4d.com/4Dv16R4/4D/16-R4/On-Backup-Startup-database-method.301-3316874.en.html http://doc.4d.com/4Dv16R4/4D/16-R4/On-Backup-Shutdown-database-method.301-3316859.en.html which should logically exclude predefined error codes, but even then, you are not prohibited from using a certain range. http://doc.4d.com/4Dv16R4/4D/16-R4/Error-Codes.200-3316679.en.html 2018/02/02 18:36、Alan Chan via 4D_Tech <[email protected]<mailto:[email protected]>> のメール： Could anyone tell if 4D changes error code range reserved by 4D? ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
