---
title: wLength
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbdevreqoolto/1546286-wlength
---

# wLength

The length of the data part of the request.

## Declaration

```occ
UInt16 wLength;
```

## See Also

### Getting the Properties

- [bmRequestType](kernel/iousbdevreqoolto/1546443-bmrequesttype.md)
- [bRequest](kernel/iousbdevreqoolto/1546099-brequest.md)
- [wValue](kernel/iousbdevreqoolto/1546109-wvalue.md)
- [wIndex](kernel/iousbdevreqoolto/1545920-windex.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)