How to use Lite.Common.PropertyBag ?

/// <summary>
        /// 处理获取房间列表操作请求方法
        /// </summary>
        /// <param name="operationRequest"></param>
        /// <param name="sendParameters"></param>
        private void HandleGetRoomInfoOperation(OperationRequest operationRequest, SendParameters sendParameters)
        {
            var response = new GetRoomInfoResponse();
            response.MessageCode = (byte)GetRoomInfoOperationEnum.Success;
            response.Message = "Success";
            response.RoomProperties = new Hashtable();  //Room properties.
            foreach (RoomInfo roomInfo in GetRoomInfosDemo())
            {
                // How to use Lite.Common.PropertyBag ?
                Hashtable roomInfoProperties = GetProperties(roomInfo); //Get all properties.
                response.RoomProperties.Add(roomInfo.RoomId, roomInfoProperties);
            }
            this.SendOperationResponse(new OperationResponse(operationRequest.OperationCode, response), sendParameters);
        }
        /// <summary>
        /// Get all properties.
        /// </summary>
        /// <returns>
        /// A copy of all properties with keys
        /// </returns>
        private Hashtable GetProperties(object atype)
        {
            if (atype == null) return new Hashtable();
            System.Type t = atype.GetType();
            System.Reflection.PropertyInfo[] props = t.GetProperties();
            Hashtable hashtable = new Hashtable();
            foreach (System.Reflection.PropertyInfo prp in props)
            {
                object value = prp.GetValue(atype, new object[] { });
                hashtable.Add(prp.Name, value);
            }
            return hashtable;
        }
        private List<RoomInfo> GetRoomInfosDemo()
        {
            List<RoomInfo> RoomInfos = new List<RoomInfo>();
            for (int i = 1; i <= 10; i++)
            {
                RoomInfo room = new RoomInfo()
                {
                    RoomId = i,
                    RoomName = "GameRoom" + i.ToString(),
                    JoinLevel = i * 2,
                    Description = "游戏的房间说明" + i.ToString()
                };
                RoomInfos.Add(room);
            }
            return RoomInfos;
        }