using System;

using static System.Console;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        try

        {

            FazerAlgo();

        }

        catch (AggregateException ae)

        {

            ae.Handle((ex) =>

                      {

                          WriteLine(ex.Message);

                          return true;

                      });

        }

    }

    static void FazerAlgo()

    {

        throw new AggregateException("", new List<Exception>

                                     {

                                         new Exception("Erro 1"),

                                         new Exception("Erro 2")

                                     });

    }

}