Insert a DGN file as
an underlay into the current drawing.
When you attach a DGN file as an underlay,
you link that referenced file to the current drawing. Any changes
to the referenced file are displayed in the current drawing when
it is opened or reloaded.
The Select Reference
File dialog box (a standard file
selection dialog box) is displayed. Once
you select a DGN file, the Attach
DGN Underlay dialog box is displayed.
After the file is attached, you can adjust and clip the underlay through
the DGN Underlay Ribbon Contextual tab.
NoteDGNATTACH is not
limited to files with .dgn extensions. It supports all DGN
files, even those that do not have a .dgn extension.
If you enter -dgnattach at
the Command prompt, options
NoteWhen a DGN file is
attached as an underlay, its levels structure (layers) are combined
into a single layer. The DGN underlay is placed on the current layer. To
hide the DGN attachment, freeze the layer on which it was attached.