---
title: wTotalLength
framework: usbdriverkit
role: symbol
role_heading: Instance Property
path: usbdriverkit/iousbconfigurationdescriptor/wtotallength
---

# wTotalLength

The total length of the descriptor, including the length of all related interface, endpoint, and vendor-specific descriptors.

## Declaration

```occ
uint16_t wTotalLength;
```

## See Also

### Getting the Descriptor Properties

- [bLength](usbdriverkit/iousbconfigurationdescriptor/blength.md)
- [bDescriptorType](usbdriverkit/iousbconfigurationdescriptor/bdescriptortype.md)
- [bNumInterfaces](usbdriverkit/iousbconfigurationdescriptor/bnuminterfaces.md)
- [bConfigurationValue](usbdriverkit/iousbconfigurationdescriptor/bconfigurationvalue.md)
- [iConfiguration](usbdriverkit/iousbconfigurationdescriptor/iconfiguration.md)
- [bmAttributes](usbdriverkit/iousbconfigurationdescriptor/bmattributes.md)
- [MaxPower](usbdriverkit/iousbconfigurationdescriptor/maxpower.md)