JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Delete Unused Multi-line Styles from the Open DGN or DGNLib File Do one of the following: Key in DELETE UNUSED MLINESTYLES to delete ALL unused multi-line styles. orKey in DELETE UNUSED MLINESTYLES <StyleName> to delete a specific unused multi-line style. Parent topic: DELETE UNUSED