using System;

​

public class Program

{

    public static void Main()

    {

        try

        {

            DoSomethingThatMightFail();

        }

        catch (Exception ex)

        {

            Log(ex, "An error occurred");

            throw;

​

        }

    }

    public static void DoSomethingThatMightFail()

    {

        // This will always throw a DivideByZero exception

        var x = 42;

        var y = 0;

        int z = x / y;

    }

    static bool Log(Exception ex, string message, params object[] args)

    {

        Console.WriteLine(message, args);

        return false;

    }

}