---
title: CDDiscInfo
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.1+]
path: iokit/cddiscinfo
---

# CDDiscInfo

## Declaration

```occ
typedef struct CDDiscInfo {
    ...
} CDDiscInfo;
```

## Topics

### Instance Properties

- [dataLength](iokit/cddiscinfo/1584295-datalength.md)
- [discBarCode](iokit/cddiscinfo/1584229-discbarcode.md)
- [discBarCodeValid](iokit/cddiscinfo/1584178-discbarcodevalid.md)
- [discIdentification](iokit/cddiscinfo/1584173-discidentification.md)
- [discIdentificationValid](iokit/cddiscinfo/1584250-discidentificationvalid.md)
- [discStatus](iokit/cddiscinfo/1584246-discstatus.md)
- [discType](iokit/cddiscinfo/1584254-disctype.md)
- [erasable](iokit/cddiscinfo/1584310-erasable.md)
- [firstTrackNumberInLastSessionLSB](iokit/cddiscinfo/1584212-firsttracknumberinlastsessionlsb.md)
- [firstTrackNumberInLastSessionMSB](iokit/cddiscinfo/1584337-firsttracknumberinlastsessionmsb.md)
- [lastPossibleStartTimeOfLeadOut](iokit/cddiscinfo/1584339-lastpossiblestarttimeofleadout.md)
- [lastSessionLeadInStartTime](iokit/cddiscinfo/1584182-lastsessionleadinstarttime.md)
- [lastTrackNumberInLastSessionLSB](iokit/cddiscinfo/1584217-lasttracknumberinlastsessionlsb.md)
- [lastTrackNumberInLastSessionMSB](iokit/cddiscinfo/1584260-lasttracknumberinlastsessionmsb.md)
- [numberOfFirstTrack](iokit/cddiscinfo/1584192-numberoffirsttrack.md)
- [numberOfOPCTableEntries](iokit/cddiscinfo/1584316-numberofopctableentries.md)
- [numberOfSessionsLSB](iokit/cddiscinfo/1584351-numberofsessionslsb.md)
- [numberOfSessionsMSB](iokit/cddiscinfo/1584232-numberofsessionsmsb.md)
- [opcTableEntries](iokit/cddiscinfo/1584308-opctableentries.md)
- [reserved](iokit/cddiscinfo/1584177-reserved.md)
- [reserved3](iokit/cddiscinfo/1584266-reserved3.md)
- [reserved7](iokit/cddiscinfo/1584306-reserved7.md)
- [reserved8](iokit/cddiscinfo/1584281-reserved8.md)
- [reserved9](iokit/cddiscinfo/1584296-reserved9.md)
- [stateOfLastSession](iokit/cddiscinfo/1584303-stateoflastsession.md)
- [unrestrictedUse](iokit/cddiscinfo/1584219-unrestricteduse.md)