---
title: IOUserAudioControl
framework: audiodriverkit
role: symbol
role_heading: Class
path: audiodriverkit/iouseraudiocontrol
---

# IOUserAudioControl

The base class for audio control objects.

## Declaration

```occ
class IOUserAudioControl;
```

## Overview

Overview Don’t subclass or allocate this class directly.

## Topics

### Creating a Control

- [init](audiodriverkit/iouseraudiocontrol/init.md)
- [IOUserAudioDriver](audiodriverkit/iouseraudiodriver.md)
- [IOUserAudioObjectPropertyElement](audiodriverkit/audiodriverkit/iouseraudioobjectpropertyelement.md)
- [IOUserAudioObjectPropertyScope](audiodriverkit/audiodriverkit/iouseraudioobjectpropertyscope.md)

### Freeing a Control

- [free](audiodriverkit/iouseraudiocontrol/free.md)

### Getting Information About the Class

- [GetClassID](audiodriverkit/iouseraudiocontrol/getclassid.md)
- [GetBaseClassID](audiodriverkit/iouseraudiocontrol/getbaseclassid.md)
- [IOUserAudioClassID](audiodriverkit/audiodriverkit/iouseraudioclassid.md)

### Working with Control Properties

- [GetControlScope](audiodriverkit/iouseraudiocontrol/getcontrolscope.md)
- [IOUserAudioObjectPropertyScope](audiodriverkit/audiodriverkit/iouseraudioobjectpropertyscope.md)
- [GetControlElement](audiodriverkit/iouseraudiocontrol/getcontrolelement.md)
- [IOUserAudioObjectPropertyElement](audiodriverkit/audiodriverkit/iouseraudioobjectpropertyelement.md)
- [IOUserAudioObjectPropertyElementMain](audiodriverkit/audiodriverkit/iouseraudioobjectpropertyelementmain.md)
- [GetIsSettable](audiodriverkit/iouseraudiocontrol/getissettable.md)

## Relationships

### Inherits From

- [IOUserAudioObject](audiodriverkit/iouseraudioobject.md)

### Inherited By

- [IOUserAudioBooleanControl](audiodriverkit/iouseraudiobooleancontrol.md)
- [IOUserAudioLevelControl](audiodriverkit/iouseraudiolevelcontrol.md)
- [IOUserAudioSelectorControl](audiodriverkit/iouseraudioselectorcontrol.md)
- [IOUserAudioSliderControl](audiodriverkit/iouseraudioslidercontrol.md)
- [IOUserAudioStereoPanControl](audiodriverkit/iouseraudiostereopancontrol.md)

## See Also

### Using Audio Controls

- [IOUserAudioBooleanControl](audiodriverkit/iouseraudiobooleancontrol.md)
- [IOUserAudioStereoPanControl](audiodriverkit/iouseraudiostereopancontrol.md)
- [IOUserAudioSliderControl](audiodriverkit/iouseraudioslidercontrol.md)
- [IOUserAudioSelectorControl](audiodriverkit/iouseraudioselectorcontrol.md)
- [IOUserAudioLevelControl](audiodriverkit/iouseraudiolevelcontrol.md)