---
title: touchChanged
framework: hiddriverkit
role: symbol
role_heading: Instance Property
path: hiddriverkit/iohiddigitizertouchdata/touchchanged
---

# touchChanged

A single-bit Boolean that indicates whether the touch variable changed since the last event was dispatched.

## Declaration

```occ
uint32_t touchChanged;
```

## Discussion

Discussion For example, this property is 1 if the value in the touch field changed from 0 to 1 since the last event.

## See Also

### Getting the Touch Data

- [identifier](hiddriverkit/iohiddigitizertouchdata/identifier.md)
- [x](hiddriverkit/iohiddigitizertouchdata/x.md)
- [y](hiddriverkit/iohiddigitizertouchdata/y.md)
- [inRange](hiddriverkit/iohiddigitizertouchdata/inrange.md)
- [touch](hiddriverkit/iohiddigitizertouchdata/touch.md)
- [touchValid](hiddriverkit/iohiddigitizertouchdata/touchvalid.md)
- [positionChanged](hiddriverkit/iohiddigitizertouchdata/positionchanged.md)
- [rangeChanged](hiddriverkit/iohiddigitizertouchdata/rangechanged.md)