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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Twitterizer.Framework;

namespace TwitterSample
{
    class Program
    {
        static void Main(string[] args)
        {
            if (Twitter.VerifyCredentials("twitter_user", "twitter_password"))
            {
                Twitter twitter = new Twitter("twitter_user", "twitter_password", "my_app");

                PrintReplies(twitter);
                PrintFollowers(twitter);
                PrintFriends(twitter);
                PrintDirectMessages(twitter);
                PrintFriendsTimeline(twitter);
                PrintPublicTimeline(twitter);
                PrintUserTimeline(twitter);

                //post a message
                twitter.Status.Update("Testing 123, Testing");
            }
            Console.ReadKey();
        }

        public static TwitterUser GetUserInfo(Twitter twitter, string userId)
        {
            TwitterUser user = twitter.Status.Show(userId);

            return user;
        }

        public static void PrintReplies(Twitter twitter)
        {
            TwitterStatusCollection col = twitter.Status.Replies();

            Console.WriteLine("Replies");

            foreach (TwitterStatus status in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Created:                " + status.Created);
                Console.WriteLine("ID:                     " + status.ID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToStatusID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToUserID);
                Console.WriteLine("IsFavorited:            " + status.IsFavorited);
                Console.WriteLine("IsTruncated:            " + status.IsTruncated);
                Console.WriteLine("RecipientID:            " + status.RecipientID);
                Console.WriteLine("Source:                 " + status.Source);
                Console.WriteLine("Text:                   " + status.Text);
                Console.WriteLine("TwitterUser.ScreenName: " + status.TwitterUser.ScreenName);
            }
        }

        public static void PrintFollowers(Twitter twitter)
        {
            TwitterUserCollection col = twitter.User.Followers();

            Console.WriteLine("Followers");

            foreach (TwitterUser user in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Description:       " + user.Description);
                Console.WriteLine("Friends_count:     " + user.Friends_count);
                Console.WriteLine("ID:                " + user.ID);
                Console.WriteLine("IsProtected:       " + user.IsProtected);
                Console.WriteLine("Location:          " + user.Location);
                Console.WriteLine("NumberOfFollowers: " + user.NumberOfFollowers);
                Console.WriteLine("ProfileImageUri:   " + user.ProfileImageUri);
                Console.WriteLine("ProfileUri:        " + user.ProfileUri);
                Console.WriteLine("ScreenName:        " + user.ScreenName);
                if (user.Status != null)
                {
                    Console.WriteLine("Status.Text:       " + user.Status.Text);
                }
                Console.WriteLine("TimeZone:          " + user.TimeZone);
                Console.WriteLine("UserName:          " + user.UserName);
            }
        }

        public static void PrintFriends(Twitter twitter)
        {
            TwitterUserCollection col = twitter.User.Friends();

            Console.WriteLine("Friends");

            foreach (TwitterUser user in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Description:       " + user.Description);
                Console.WriteLine("Friends_count:     " + user.Friends_count);
                Console.WriteLine("ID:                " + user.ID);
                Console.WriteLine("IsProtected:       " + user.IsProtected);
                Console.WriteLine("Location:          " + user.Location);
                Console.WriteLine("NumberOfFollowers: " + user.NumberOfFollowers);
                Console.WriteLine("ProfileImageUri:   " + user.ProfileImageUri);
                Console.WriteLine("ProfileUri:        " + user.ProfileUri);
                Console.WriteLine("ScreenName:        " + user.ScreenName);
                if (user.Status != null)
                {
                    Console.WriteLine("Status.Text:       " + user.Status.Text);
                }
                Console.WriteLine("TimeZone:          " + user.TimeZone);
                Console.WriteLine("UserName:          " + user.UserName);
            }
        }

        public static void PrintDirectMessages(Twitter twitter)
        {
            TwitterStatusCollection col = twitter.DirectMessages.DirectMessages();

            Console.WriteLine("DirectMessages");

            foreach (TwitterStatus status in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Created:                " + status.Created);
                Console.WriteLine("ID:                     " + status.ID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToStatusID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToUserID);
                Console.WriteLine("IsFavorited:            " + status.IsFavorited);
                Console.WriteLine("IsTruncated:            " + status.IsTruncated);
                Console.WriteLine("RecipientID:            " + status.RecipientID);
                Console.WriteLine("Source:                 " + status.Source);
                Console.WriteLine("Text:                   " + status.Text);
                Console.WriteLine("TwitterUser.ScreenName: " + status.TwitterUser.ScreenName);
            }
        }

        public static void PrintFriendsTimeline(Twitter twitter)
        {
            TwitterStatusCollection col = twitter.Status.FriendsTimeline();

            Console.WriteLine("FriendsTimeline");

            foreach (TwitterStatus status in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Created:                " + status.Created);
                Console.WriteLine("ID:                     " + status.ID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToStatusID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToUserID);
                Console.WriteLine("IsFavorited:            " + status.IsFavorited);
                Console.WriteLine("IsTruncated:            " + status.IsTruncated);
                Console.WriteLine("RecipientID:            " + status.RecipientID);
                Console.WriteLine("Source:                 " + status.Source);
                Console.WriteLine("Text:                   " + status.Text);
                Console.WriteLine("TwitterUser.ScreenName: " + status.TwitterUser.ScreenName);
            }
        }

        public static void PrintPublicTimeline(Twitter twitter)
        {
            TwitterStatusCollection col = twitter.Status.PublicTimeline();

            Console.WriteLine("PublicTimeline");

            foreach (TwitterStatus status in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Created:                " + status.Created);
                Console.WriteLine("ID:                     " + status.ID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToStatusID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToUserID);
                Console.WriteLine("IsFavorited:            " + status.IsFavorited);
                Console.WriteLine("IsTruncated:            " + status.IsTruncated);
                Console.WriteLine("RecipientID:            " + status.RecipientID);
                Console.WriteLine("Source:                 " + status.Source);
                Console.WriteLine("Text:                   " + status.Text);
                Console.WriteLine("TwitterUser.ScreenName: " + status.TwitterUser.ScreenName);
            }
        }

        public static void PrintUserTimeline(Twitter twitter)
        {
            TwitterStatusCollection col = twitter.Status.UserTimeline();

            Console.WriteLine("UserTimeline");

            foreach (TwitterStatus status in col)
            {
                Console.WriteLine("------------------------------------------");
                Console.WriteLine("Created:                " + status.Created);
                Console.WriteLine("ID:                     " + status.ID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToStatusID);
                Console.WriteLine("InReplyToStatusID:      " + status.InReplyToUserID);
                Console.WriteLine("IsFavorited:            " + status.IsFavorited);
                Console.WriteLine("IsTruncated:            " + status.IsTruncated);
                Console.WriteLine("RecipientID:            " + status.RecipientID);
                Console.WriteLine("Source:                 " + status.Source);
                Console.WriteLine("Text:                   " + status.Text);
                Console.WriteLine("TwitterUser.ScreenName: " + status.TwitterUser.ScreenName);
            }
        }
    }
}

C#