---
title: wIndex
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbdevreqoolto/1545920-windex
---

# wIndex

The 16-bit parameter for the request.

## Declaration

```occ
UInt16 wIndex;
```

## See Also

### Getting the Properties

- [bmRequestType](kernel/iousbdevreqoolto/1546443-bmrequesttype.md)
- [bRequest](kernel/iousbdevreqoolto/1546099-brequest.md)
- [wValue](kernel/iousbdevreqoolto/1546109-wvalue.md)
- [wLength](kernel/iousbdevreqoolto/1546286-wlength.md)
- [pData](kernel/iousbdevreqoolto/1546044-pdata.md)
- [wLenDone](kernel/iousbdevreqoolto/1546113-wlendone.md)
- [pipeRef](kernel/iousbdevreqoolto/1546157-piperef.md)
- [completionTimeout](kernel/iousbdevreqoolto/1546368-completiontimeout.md)
- [noDataTimeout](kernel/iousbdevreqoolto/1546132-nodatatimeout.md)