---
title: CanBeDefaultSystemOutputDevice
framework: audiodriverkit
role: symbol
role_heading: Instance Method
path: audiodriverkit/iouseraudiodevice/canbedefaultsystemoutputdevice
---

# CanBeDefaultSystemOutputDevice

Returns a Boolean value that indicates if this device can be the system’s default output device.

## Declaration

```occ
uint32_t CanBeDefaultSystemOutputDevice();
```

## Return Value

Return Value true if the system can use this device as the default output device.

## Discussion

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

## See Also

### Working with Default Device Behavior

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