Decrements the retain count of a layer object.
SDKs
- iOS 2.0+
- macOS 10.4+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Core Graphics
Declaration
void CGLayerRelease(CGLayerParameters
layerThe layer to release.
Discussion
This function is equivalent to calling CFRelease except that it does not crash if the layer parameter is null.