---
title: ReadDVDStructure
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioscsimultimediacommandsdevice/1576236-readdvdstructure
---

# ReadDVDStructure

## Declaration

```occ
virtual IOReturn ReadDVDStructure(IOMemoryDescriptor *buffer, const UInt32 length, const UInt8 structureFormat, const UInt32 logicalBlockAddress, const UInt8 layer, const UInt8 agid);
```