using System.Runtime.InteropServices; namespace Steamworks { [StructLayout(LayoutKind.Sequential, Pack = 8)] [CallbackIdentity(5301)] public struct JoinPartyCallback_t { public const int k_iCallback = 5301; public EResult m_eResult; public PartyBeaconID_t m_ulBeaconID; public CSteamID m_SteamIDBeaconOwner; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] public string m_rgchConnectString; } }