GasStation/FillingColumn/Helper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FillingColumn
{
    public class Helper
    {
        public static RootDataOfGasStation CurrentGasStation;
        public static string KeySession;
        public static RootDataOfCar FindCar;
        public static RootDataOfCard EnterBankCard;

    }
}