using System.Runtime.InteropServices; namespace CPF.Mac.CoreText { [StructLayout(LayoutKind.Sequential)] internal class CTRunDelegateCallbacks { public CTRunDelegateVersion version; public CTRunDelegateDeallocateCallback dealloc; public CTRunDelegateGetAscentCallback getAscent; public CTRunDelegateGetDescentCallback getDescent; public CTRunDelegateGetWidthCallback getWidth; } }