---
title: Introduction to Binary Data Programming Guide for Core Foundation
framework: corefoundation
role: article
path: apple-archive/documentation/CoreFoundation/Conceptual/CFBinaryData
---

# Introduction to Binary Data Programming Guide for Core Foundation

Explains how to create and use Core Foundation data objects, object-oriented wrappers for byte buffers.

## Organization of This Document

The following article explains how data objects work:

- [Data Objects](DataObjects.html#//apple_ref/doc/uid/20000171-CJBDBHCB) describes how data objects are used as wrappers for byte buffers.

The following articles cover common tasks:

- [Working With Binary Data](Tasks/CFWorkingBinaryData.html#//apple_ref/doc/uid/20002120-CJBDBHCB) explains how to create and use binary data objects. - [Working With Mutable Binary Data](Tasks/CFWorkingMutableData.html#//apple_ref/doc/uid/20002121-CJBDBHCB) explains how to modify the bytes in mutable binary data objects.

[Next](DataObjects.html)

Copyright © 2006 Apple Computer, Inc. All Rights Reserved. [Terms of Use](http://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](http://www.apple.com/privacy/) | Updated: 2006-01-10