---
title: wLength
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbdevreqool/1545970-wlength
---

# wLength

The length of the data part of the request.

## Declaration

```occ
UInt16 wLength;
```

## See Also

### Getting the Properties

- [bmRequestType](kernel/iousbdevreqool/1546195-bmrequesttype.md)
- [bRequest](kernel/iousbdevreqool/1546179-brequest.md)
- [wValue](kernel/iousbdevreqool/1546508-wvalue.md)
- [wIndex](kernel/iousbdevreqool/1546401-windex.md)
- [pData](kernel/iousbdevreqool/1546153-pdata.md)
- [wLenDone](kernel/iousbdevreqool/1546159-wlendone.md)
- [pipeRef](kernel/iousbdevreqool/1546299-piperef.md)