---
title: "IOSurfaceSetPurgeable(_:_:_:)"
framework: IOSurface
role: symbol
role_heading: Function
platforms: [iOS 11.0+, iPadOS 11.0+, Mac Catalyst 13.1+, macOS 10.12+, tvOS 11.0+, visionOS 1.0+]
path: "iosurface/iosurfacesetpurgeable(_:_:_:)"
---

# IOSurfaceSetPurgeable(_:_:_:)

## Declaration

```swift
func IOSurfaceSetPurgeable(_ buffer: IOSurfaceRef, _ newState: UInt32, _ oldState: UnsafeMutablePointer<UInt32>?) -> kern_return_t
```

## See Also

### Functions

- [IOSurfaceAlignProperty(_:_:)](iosurface/iosurfacealignproperty(_:_:).md)
- [IOSurfaceAllowsPixelSizeCasting(_:)](iosurface/iosurfaceallowspixelsizecasting(_:).md)
- [IOSurfaceCopyAllValues(_:)](iosurface/iosurfacecopyallvalues(_:).md)
- [IOSurfaceCopyValue(_:_:)](iosurface/iosurfacecopyvalue(_:_:).md)
- [IOSurfaceCreate(_:)](iosurface/iosurfacecreate(_:).md)
- [IOSurfaceCreateMachPort(_:)](iosurface/iosurfacecreatemachport(_:).md)
- [IOSurfaceCreateXPCObject(_:)](iosurface/iosurfacecreatexpcobject(_:).md)
- [IOSurfaceDecrementUseCount(_:)](iosurface/iosurfacedecrementusecount(_:).md)
- [IOSurfaceGetAllocSize(_:)](iosurface/iosurfacegetallocsize(_:).md)
- [IOSurfaceGetBaseAddress(_:)](iosurface/iosurfacegetbaseaddress(_:).md)
- [IOSurfaceGetBaseAddressOfPlane(_:_:)](iosurface/iosurfacegetbaseaddressofplane(_:_:).md)
- [IOSurfaceGetBitDepthOfComponentOfPlane(_:_:_:)](iosurface/iosurfacegetbitdepthofcomponentofplane(_:_:_:).md)
- [IOSurfaceGetBitOffsetOfComponentOfPlane(_:_:_:)](iosurface/iosurfacegetbitoffsetofcomponentofplane(_:_:_:).md)
- [IOSurfaceGetBytesPerElement(_:)](iosurface/iosurfacegetbytesperelement(_:).md)
- [IOSurfaceGetBytesPerElementOfPlane(_:_:)](iosurface/iosurfacegetbytesperelementofplane(_:_:).md)