Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

// REST API
using Tweetinvi;
using Tweetinvi.Models;
using Tweetinvi.Parameters;

// STREAM API
using Tweetinvi.Streaming;
using Stream = Tweetinvi.Stream;

// Others
using Tweetinvi.Exceptions; // Handle Exceptions
using Tweetinvi.Core.Extensions;
using Tweetinvi.Core.Public.Parameters;
// Extension methods provided by Tweetinvi
using Tweetinvi.Models.DTO; // Data Transfer Objects for Serialization
using Tweetinvi.Json;
using Tweetinvi.Logic.Model;
using Geo = Tweetinvi.Geo;
using SavedSearch = Tweetinvi.SavedSearch;


namespace TryTwitter
{
    class Program
    {
        static void Main(string[] args)
        {
            Auth.SetUserCredentials("CONSUMER_KEY", "CONSUMER_SECRET", "ACCESS_TOKEN", "ACCESS_TOKEN_SECRET");

            //TweetinviEvents.QueryBeforeExecute += (sender, args) =>
            //{
            //    Console.WriteLine(args.QueryURL);
            //};

            var authenticatedUser = User.GetAuthenticatedUser();

            Console.WriteLine(authenticatedUser);
        }
    }
}