using System;

using System.Linq.Expressions;

using System.Reflection;

using Detached.RuntimeTypes;

using static Detached.RuntimeTypes.Expressions.ExtendedExpression;

using static System.Linq.Expressions.Expression;

​

public class Program

{

    public static void Main()

    {

        Detached.RuntimeTypes.RuntimeTypeBuilder x;

        RuntimeTypeBuilder typeBuilder = new RuntimeTypeBuilder("DefineAutoProperty");

        typeBuilder.DefineAutoProperty("TestProp", typeof(int));

​

        Type newType = typeBuilder.Create();

        object newInstance = Activator.CreateInstance(newType);

​

        PropertyInfo testPropInfo = newType.GetProperty("TestProp");

        testPropInfo.SetValue(newInstance, 5);

        int result = (int)testPropInfo.GetValue(newInstance);

        Console.WriteLine(result);

    }

}