using System.Runtime.InteropServices; namespace Steamworks { [StructLayout(LayoutKind.Sequential, Pack = 8)] [CallbackIdentity(206)] public struct GSClientAchievementStatus_t { public const int k_iCallback = 206; public ulong m_SteamID; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)] public string m_pchAchievement; [MarshalAs(UnmanagedType.I1)] public bool m_bUnlocked; } }