C#类错误是最好的重载方法 公共静态无效银行收费（） { Console.WriteLine（“帐户中的初始金额是多少？”）； 字符串am=Console.ReadLine（）； 双倍余额=转换为双倍（am）； WriteLine（“您进行了多少次检查？”）； 字符串ch=Console.ReadLine（）； 双重检查=转换为双重（ch）； 双倍费用=0.0； 银行费用银行费用=新的银行费用（余额、支票、费用）； WriteLine（“您当月的最终费用为${0}”，bankcharges.GetFees）； } 类别银行收费 { 公共银行收费（双倍余额、双倍支票、双倍费用） { 平衡=平衡； 这个.Checks=Checks； 这.费用=费用； } 双欠费=0； 私人双平衡； 公共双平衡 { 获取{返回余额；} 设置{balance=value；} } 私人双重检查； 公众双重检查 { 获取{返回检查；} 设置{checks=value；} } 私人双重收费； 公共双重收费 { 获取{退货费；} 设置{fees=value；} } 公共收费 { 如果（余额

我正在用C#做一个挑战，遇到了一些问题。主类的最后一行（Console.WriteLine（“您本月的最终费用是${0}”，bankcharges.GetFees）；），以红色下划线显示错误消息：的最佳重载方法匹配具有一些无效参数。是否有人可以帮助我修复此错误？

GetFees是一个方法调用，但缺少括号

public static void BankCharges()
    {
        Console.WriteLine("What is the initial amount in the account?");
        string am = Console.ReadLine();
        double balance = Convert.ToDouble(am);
        Console.WriteLine("How many checks have you made?");
        string ch = Console.ReadLine();
        double checks = Convert.ToDouble(ch);
        double fees = 0.0;
        BankCharges bankcharges = new BankCharges(balance, checks, fees);
        Console.WriteLine("Your final fee for the month is ${0}", bankcharges.GetFees);
    }
class BankCharges
{
    public BankCharges(double balance, double checks, double fees)
    {
        this.Balance = balance;
        this.Checks = checks;
        this.Fees = fees;
    }

    double underfee = 0;

    private double balance;

    public double Balance
    {
        get { return balance; }
        set { balance = value; }
    }

    private double checks;

    public double Checks
    {
        get { return checks; }
        set { checks = value; }
    }

    private double fees;

    public double Fees
    {
        get { return fees; }
        set { fees = value; }
    }

    public double GetFees()
    {
        if (Balance < 400)
        {
            underfee = 15;
        }
        else
        {
            underfee = 0;
        }
        if(checks < 20)
        {
            fees = .10;
        }
        else if (checks < 39 && checks > 20)
        {
            fees = .08;
        }
        else if (checks < 59 && checks > 40)
        {
            fees = .06;
        }
        else if (checks < 0)
        {
            Console.WriteLine("You cannot have a negative amount of checks!");
        }
        else 
        {
            fees = .04;
        }
        double FinalFee = checks*fees + underfee;
        return FinalFee;
    }

---

GetFees是一个方法调用，但缺少括号

public static void BankCharges()
    {
        Console.WriteLine("What is the initial amount in the account?");
        string am = Console.ReadLine();
        double balance = Convert.ToDouble(am);
        Console.WriteLine("How many checks have you made?");
        string ch = Console.ReadLine();
        double checks = Convert.ToDouble(ch);
        double fees = 0.0;
        BankCharges bankcharges = new BankCharges(balance, checks, fees);
        Console.WriteLine("Your final fee for the month is ${0}", bankcharges.GetFees);
    }
class BankCharges
{
    public BankCharges(double balance, double checks, double fees)
    {
        this.Balance = balance;
        this.Checks = checks;
        this.Fees = fees;
    }

    double underfee = 0;

    private double balance;

    public double Balance
    {
        get { return balance; }
        set { balance = value; }
    }

    private double checks;

    public double Checks
    {
        get { return checks; }
        set { checks = value; }
    }

    private double fees;

    public double Fees
    {
        get { return fees; }
        set { fees = value; }
    }

    public double GetFees()
    {
        if (Balance < 400)
        {
            underfee = 15;
        }
        else
        {
            underfee = 0;
        }
        if(checks < 20)
        {
            fees = .10;
        }
        else if (checks < 39 && checks > 20)
        {
            fees = .08;
        }
        else if (checks < 59 && checks > 40)
        {
            fees = .06;
        }
        else if (checks < 0)
        {
            Console.WriteLine("You cannot have a negative amount of checks!");
        }
        else 
        {
            fees = .04;
        }
        double FinalFee = checks*fees + underfee;
        return FinalFee;
    }