using Microsoft.Extensions.Configuration;

using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.ComponentModel;

using System.Globalization;

​

​

var configuration = new ConfigurationBuilder()

    .AddInMemoryCollection(new Dictionary<string, string>()

    {

        { "0", "Hello"},

        { "1", "world"},

    })

    .Build();

​

try

{

    var options = configuration.Get<Item>();

    Console.WriteLine("Binding success.");

}

catch (Exception e)

{

    Console.WriteLine("Binding failure.");

}

​

[TypeConverter(typeof(ItemConverter))]

class Item

{

    private string Zero;

    private string One;

​

    public Item(string zero, string one)

    {

        Zero = zero;

        One = one;

    }

}

​

class ItemConverter : TypeConverter

{

    public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType)

    {

        return sourceType == typeof(IConfigurationSection);

    }

​

    public override object ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)

    {

        var section = (IConfigurationSection)value;

        return new Item(section.GetValue<string>("0"), section.GetValue<string>("1"));

    }

}

​