using System;

using System.Diagnostics;

using System.Runtime.CompilerServices;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        try {

        F1();

        } catch (Exception ex)

        {

            Console.WriteLine("Top-level:" + ex.ToString());

        }

    }

    static void F1()

    {

        F2();

        F3();

    }

    static void F2() { F4(); }

    static void F3() { F4(); }

    static void F4() {

        try {

            throw new Exception("boo");

        } catch (Exception ex)

        {

            Console.WriteLine($"Lower-level:" + ex.FullStackTrace());

            throw;

        }

    }

}

​

public static class ExceptionExtensions

{

    [MethodImpl(MethodImplOptions.NoInlining)]

    public static string FullStackTrace(this Exception ex)

    {

        var st = new StackTrace(2, true);

        return ex.ToString() + Environment.NewLine + st.ToString();

    }

}