Creates a data provider that reads from a CFData object.
- iOS 2.0+
- macOS 10.4+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Graphics
The CFData object to read from.
A new data provider. You are responsible for releasing this object using
You can use this function when you need to represent Core Graphics data as a CFData type. For example, you might create a CFData object when reading data from the pasteboard.