GameFramework.Room.GetUserByGuid C# (CSharp) Метод

        internal User GetUserByGuid(ulong guid)
        {
            foreach (User us in room_users_) {
                if (us != null && us.Guid == guid) {
                    return us;
                }
            }
            return null;
        }

        internal void RemoveUser(IList <ulong> guids, int roomId, bool free, MyAction <bool, int, IList <User> > callbackOnFinish)
        {
            Room room = GetRoomByID(roomId);

            if (null != room)
            {
                List <User> users = new List <User>();
                for (int i = 0; i < guids.Count; ++i)
                {
                    User user = room.GetUserByGuid(guids[i]);
                    if (null != user)
                    {
                        room.RemoveUserFromRoomThread(user, free);
                        users.Add(user);
                    }
                }
                if (null != callbackOnFinish)
                {
                    int   sceneId = 0;
                    Scene scene   = room.ActiveScene;
                    if (null != scene)
                    {
                        sceneId = scene.SceneResId;
                    }
                    callbackOnFinish(true, sceneId, users);
                    return;
                }
            }
            if (null != callbackOnFinish)
            {
                callbackOnFinish(false, -1, null);
            }
        }