---
title: kTweenRegionData
framework: quicktime-file-format
role: symbol
role_heading: Atom
path: quicktime-file-format/ktweenregiondata
---

# kTweenRegionData

An atom that contains the data for a QuickDraw region.

## Overview

Overview Used only by a kTweenTypeQDRegion atom. Its parent atom is a kTweenEntry atom. A kTweenEntry atom can contain only one kTweenRegionData or kTweenPictureData atom. The ID of this atom is always 1. The index of this atom is always 1. This atom is a leaf atom. The data type of its data is Region. Either a kTweenPictureData or kTweenRegionData atom is required for a kTweenTypeQDRegion tween.

## See Also

### Region Tween Atoms

- [kTweenPictureData](quicktime-file-format/ktweenpicturedata.md)
- [kTweenSequenceElement](quicktime-file-format/ktweensequenceelement.md)