How to change unused library levels. How to make attribute / display changes to unused library levels.
Set MS_LEVEL_ALLOW_LIBRARY_LEVEL_EDIT = 1This is available 08.05.01.25 and higher:Setting the configuration variable
MS_LEVEL_ALLOW_LIBRARY_LEVEL_EDITcauses library levels to be copied to the opened DGN file to reflect changes to library level attributes.Note: This variable needs to be created until MicroStation V8 XM Edition.
Help documentation for Level Manager (Reference Guide > Menu > Settings Menu > Level Manager dialog box)