---
title: dwAttackTime
framework: Force Feedback
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: forcefeedback/ffenvelope/dwattacktime
---

# dwAttackTime

The time, in microseconds, to reach the sustain level.

## Declaration

```swift
var dwAttackTime: DWORD
```

## See Also

### Instance Properties

- [dwAttackLevel](forcefeedback/ffenvelope/dwattacklevel.md)
- [dwFadeLevel](forcefeedback/ffenvelope/dwfadelevel.md)
- [dwFadeTime](forcefeedback/ffenvelope/dwfadetime.md)
- [dwSize](forcefeedback/ffenvelope/dwsize.md)