Illustrator29

InDesign2026 InDesign Server2025 Illustrator29 PhotoshopCC 2015.5 Bridge2021 Core JavaScriptExtendScript only ScriptUIExtendScript only

Object

Preferences

Preferences for Illustrator.

Properties

Name	Type	Access	Description
	OpenOptionsAutoCAD	readonly	Options to use when opening or placing a AutoCAD file.
	OpenOptionsPDF	readonly	Options to use when opening or placing a PDF file.
	The	readonly	The object's container.
	OpenOptionsPhotoshop	readonly	Options to use when opening or placing a Photoshop file.
	String	readonly	The class name of the object.

Methods

→ Boolean

Retrieve the value of the application preference key as boolean.

key String The preference key.

→ Int32

Retrieve the value of the application preference key as integer.

key String The preference key.

→ Number

Retrieve the value of the application preference key as real number.

key String The preference key.

→ String

Retrieve the value of the application preference key as string type.

key String The preference key.

→ Boolean

Checks whether the application preference key exists.

key String The preference key.

→ void

Delete the application preference key.

key String The preference key.

→ void

Set the value of the application preference key as boolean.

key String The preference key.

value Boolean The boolean value of the preference key.

→ void

Set the value of the application preference key as integer.

key String The preference key.

value Int32 The boolean value of the preference key.

→ void

Set the value of the application preference key as real number.

key String The preference key.

value Number The real value of the preference key.

→ void

Set the value of the application preference key as string type.

key String The preference key.

value String The string value of the preference key.

Object of 1

Properties elsewhere that hold a Preferences.

Application.preferences