---
title: SetCanBeDefaultInputDevice
framework: audiodriverkit
role: symbol
role_heading: Instance Method
path: audiodriverkit/iouseraudiodevice/setcanbedefaultinputdevice
---

# SetCanBeDefaultInputDevice

Sets a Boolean value that indicates if this device can be the host’s default input device.

## Declaration

```occ
kern_return_t SetCanBeDefaultInputDevice(bool in_can_be_default);
```

## Parameters

- `in_can_be_default`: true if the host can use this device as the default input device.

## Return Value

Return Value kIOReturnSuccess on success, or another value if an error occurs. For a list of error codes, see Error Codes.

## Discussion

Discussion This method synchronizes by using the work queue created by the object.

## See Also

### Working with Default Device Behavior

- [CanBeDefaultInputDevice](audiodriverkit/iouseraudiodevice/canbedefaultinputdevice.md)
- [SetCanBeDefaultOutputDevice](audiodriverkit/iouseraudiodevice/setcanbedefaultoutputdevice.md)
- [CanBeDefaultOutputDevice](audiodriverkit/iouseraudiodevice/canbedefaultoutputdevice.md)
- [SetCanBeDefaultSystemOutputDevice](audiodriverkit/iouseraudiodevice/setcanbedefaultsystemoutputdevice.md)
- [CanBeDefaultSystemOutputDevice](audiodriverkit/iouseraudiodevice/canbedefaultsystemoutputdevice.md)