2013

Reference Name
Select the reference whose layers you want to manage.
Layer List
Visible Displays the current visibility state for each layer in the selected
underlay. When a layer is on it is visible and available for plotting. When a
layer is off, it is invisible and not plotted.
Click in this column to toggle the current visibility for the layer listed in the
Name column.
Name Displays the names of all the available layers in the selected underlay.
Search for Layers
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.
See also:
Control the Display of Layers in a PDF Underlay
UNDEFINE
Allows an application-defined command to override an internal command.
List of Prompts
The following prompts are displayed.
Enter command name:
Enter a command name to suppress that command. The suppressed command
name can then be redefined to perform some other function.
You can undefine only built-in AutoCAD commands. You cannot undefine
commands defined by AutoLISP
®
. This includes ObjectARX
™
application
commands registered by acedDefun(). You also cannot undefine external
commands and aliases defined in the acad.pgp file.
If an AutoLISP or ObjectARX application has redefined a command with the
same name as a built-in AutoCAD command, the application-defined command
is active.
You can restore an undefined command with
REDEFINE (page 880).
You can always access a built-in AutoCAD command by preceding the
command name with a period (.).
1124 | Chapter 2 Commands