indesign
js
Media Encoder
2027
InDesign
2027
InDesign Server
2025
Illustrator
31
Photoshop
CC 2015.5
Bridge
2027
Media Encoder
2027
Core JavaScript
ExtendScript only
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O
Object
TrackIndex
Constants for dvamediatypes::TrackIndex
TrackIndex
Object
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Properties 2
P
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Properties
Name
Type
Access
Description
ALWAYS_ON_TOP
static
Number
readonly
Constant meaning the topmost video track.
INVALID
static
Number
readonly
Constant meaning unset track index.