---
title: IOUSBDeviceCapabilityBillboardAltMode
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.13+]
path: iokit/iousbdevicecapabilitybillboardaltmode
---

# IOUSBDeviceCapabilityBillboardAltMode

## Declaration

```occ
typedef struct IOUSBDeviceCapabilityBillboardAltMode {
    ...
} IOUSBDeviceCapabilityBillboardAltMode;
```

## Topics

### Instance Properties

- [bDescriptorType](iokit/iousbdevicecapabilitybillboardaltmode/2870254-bdescriptortype.md)
- [bDevCapabilityType](iokit/iousbdevicecapabilitybillboardaltmode/2870260-bdevcapabilitytype.md)
- [bIndex](iokit/iousbdevicecapabilitybillboardaltmode/2870263-bindex.md)
- [bLength](iokit/iousbdevicecapabilitybillboardaltmode/2870253-blength.md)
- [dwAlternateModeVdo](iokit/iousbdevicecapabilitybillboardaltmode/2870255-dwalternatemodevdo.md)