2011

Ribbon: Insert tab ➤ Reference panel ➤ Layers
Shortcut menu: Select an underlay, right-click in the drawing area, and
choose DWF, PDF, or DGN Layers.
Command entry: ulayers
Summary
You can turn layers on and off to filter which layers display in an underlay.
List of Options
The following options are available in this dialog box.
Reference Name Select the reference whose layers you want to manage.
Search for layer
Filters the layer list by name quickly as you enter characters. This filter is not
saved when you close the Underlay Layers dialog box. You can also search
using wild cards.
On
Turns the selected layers on and off. When a layer is on it is visible and
available for plotting. When a layer is off, it is invisible and not plotted, even
if Plot is on.
Name
Displays the name of the layer.
UNDEFINE
Quick Reference
See also:
■ Use Built-in Commands in Macros
Allows an application-defined command to override an internal command.
List of Prompts
The following prompts are displayed.
Enter command name:
UNDEFINE | 1993