using System;

using MessagePack;

​

// Basisklasse

[MessagePackObject]

public class Base

{

    [Key(0)]

    public string Type { get; set; } 

    [Key(1)]

    public string Foo { get; set; }

}

​

// Abgeleitete Klasse

[MessagePackObject]

public class Derived : Base

{

    [Key(2)]

    public string Bar { get; set; }

}

​

class Program

{

    static void Main()

    {

        Derived obj1 = new Derived

        {

            Type = "Derived", 

            Foo = "foo",

            Bar = "bar"

        };

​

        // Serialisiere das Objekt

        byte[] bytes = MessagePackSerializer.Serialize(obj1);

        Console.WriteLine("Serialized bytes:");

​

        // Deserialisiere das Objekt

        var obj2 = MessagePackSerializer.Deserialize<Base>(bytes);

​

        // Überprüfe den Typ und greife auf die Eigenschaften zu

        if (obj2 is Derived derived)

        {

            Console.WriteLine($"DerivedClass: {derived.Bar}");

        }

        else

        {

            Console.WriteLine("Deserialized object is not of type Derived.");

        }

    }

}