using System.Reflection;

using System;

​

class BaseClass

{

    public int Field1 { get; set; }

    public string Field2 { get; set; } = string.Empty;

    public bool IncludeInvoiceFee { get; set; }

}

​

class DerivedClass : BaseClass

{

    public new int IncludeInvoiceFee { get; set; }

}

​

class Program

{

    static void Main()

    {

        BaseClass baseInstance = new BaseClass()

        {

            Field1 = 22,

            Field2 = "Cancelled",

            IncludeInvoiceFee = true

        };

​

        DerivedClass derivedInstance = new DerivedClass();

​

        CopyValues(baseInstance, derivedInstance);

​

        foreach (var property in derivedInstance.GetType().GetProperties())

        {

            Console.WriteLine($"Derived instance property {property.Name} is: {property.GetValue(derivedInstance)}");

        }

    }

​

    static void CopyValues(BaseClass source, DerivedClass destination)

    {

        Type sourceType = source.GetType();

​

        FieldInfo[] fields = sourceType.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);

​

        foreach (FieldInfo field in fields)

        {

            if (field.FieldType == typeof(bool))

            {

                Console.WriteLine("łonderful!");

​

            }

            object value = field.GetValue(source);

            field.SetValue(destination, value);

        }

    }

}