---
title: RedrawBackgroundProcPtr
framework: Application Services
role: symbol
role_heading: Type Alias
platforms: [macOS 10.0+]
path: applicationservices/redrawbackgroundprocptr
---

# RedrawBackgroundProcPtr

## Declaration

```swift
typealias RedrawBackgroundProcPtr = (ATSUTextLayout?, UniCharArrayOffset, Int, UnsafeMutablePointer<ATSTrapezoid>?, Int) -> DarwinBoolean
```