Inserts an external reference, image, or underlay (DWF, DWFx, PDF, or DGN files) in the current drawing.
The Select Reference File dialog box (a standard file selection dialog box) is displayed. To select multiple DWG files for attach, set the Files of Type to Drawing. You can select one file only for all other file formats.
Inserts an external reference, image, or underlay (DWF, DWFx, PDF, or DGN files) in the current drawing.