using System;

public class Program

{

    public static void Main()

    {

        int result;

        Example1(out result);

        Console.WriteLine(result);

    }

    private static void Example1(out int result){

        result = 42;

    }

    private static void ExampleNotWorking(out int result){

        Action action = ()=>{ result = 42; };

        result=43;

        action();

    }

}