How to order Reference attachments to appear behind or in front of active file elements.
Change Update Sequence in reference attachment.1. Go to File > Reference to open the References dialog box.2. In the Reference dialog box, go to Settings > Update Sequence to open the Update Sequence dialog box.3. In the Update Sequence dialog box select the Reference (or active file) and then click the up or down arrow buttons to move the file up or down.Notes: - The order listed is how the updated data apears in the view - lower files/elements appear above higher elements.- For 2D files the priority that has been set for References. Levels and Elements also have an effect on the display behavior and can 'override' the display of the references and active file and so be on top of anything else. Check in the Reference Dialog, in the Level Manager and in the Element Information dialogs in case you encounter this behavior.- To make sure that the Active Design File is always displayed on top of the attached references, make sure that it is always lowest in the list.This can be obtained by selecting that file and click the underlined arrow pointing down:
Variables in Workspace>Configuration, References:MS_REF_MASTERFILELAST_SHEETMS_REF_MASTERFILELAST_DRAWINGMS_REF_MASTERFILELAST_DESIGN
https://communities.bentley.com/products/microstation/w/microstation__wiki/4179.raster-manager-in-microstation-v8i-faq See paragraph: Display plane and display priorities of rasters