using System.Runtime.InteropServices; namespace Interop.Lmx; [StructLayout(LayoutKind.Sequential, Pack = 8)] [Guid("BD6BACE0-9002-44C5-8B7A-8119751F160A")] public struct ItemSubscriptionResponse { public ulong ItemId; public ulong userData; [MarshalAs(UnmanagedType.Error)] public int status; }