Code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Text.RegularExpressions;
using System.Runtime.InteropServices;
using System.Media;
using System.Diagnostics;
using TwitchCSharp.Clients;
using TwitchCSharp.Models;

namespace TestBot
{
    public partial class Form1 : Form
    {
        #region Variables
        private static string TwitchClientID = "";
        private static string userName = "";
        private static string password = "";


        TwitchReadOnlyClient APIClient = new TwitchReadOnlyClient(TwitchClientID);


        IrcClient irc = new IrcClient("irc.chat.twitch.tv", 6667, userName, password);
        NetworkStream serverStream = default(NetworkStream);
        string readData = "";
        Thread chatThread;
        List<string> BannedWords = new List<string> {/*Banned words here in quotes*/};

        bool commandSpamFilter = false;

        #endregion

        #region Form

        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            irc.joinRoom("bylimbo_");
            chatThread = new Thread(getMessage);
            chatThread.Start();

        }
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            irc.leaveRoom();
            serverStream.Dispose();
            Environment.Exit(0);
        }
        #endregion

        private void getMessage()
        {
            serverStream = irc.tcpClient.GetStream();
            int buffsize = 0;
            byte[] inStream = new byte[10025];
            buffsize = irc.tcpClient.ReceiveBufferSize;
            while (true)
            {
                try
                {
                    readData = irc.readMessage();
                    msg();
                }
                catch (Exception e)
                {

                }
            }
        }

        private void msg() //This is where everything is dealt with in chat, commands, automatic timeouts, etc.
        {
            if (this.InvokeRequired) this.Invoke(new MethodInvoker(msg));
            else
            {
                string[] separator = new string[] { "#bylimbo_ :" };
                string[] singlesep = new string[] { ":", "!" };


                if (readData.Contains("PRIVMSG"))
                {
                    string userName = readData.Split(singlesep, StringSplitOptions.None)[1];
                    string message = readData.Split(separator, StringSplitOptions.None)[1];

                    if (BannedWordFilters(userName, message)) return;

                    if (message[0] == '!') commands(userName, message);

                    chatBox.Text = chatBox.Text + userName + " : " + message + Environment.NewLine;

                    int num = chatBox.Lines.Count();
                    if (chatBox.Lines.Count() > 501)
                    {
                        var foos = new List<string>(chatBox.Lines);
                        foos.RemoveAt(0);
                        chatBox.Lines = foos.ToArray();
                    }
                }

                if (readData.Contains("PING"))
                {
                    irc.PingResponse();
                }
            }
        }

        private void commands(string userName, string message)
        {
            string command = message.Split(new[] { ' ', '!' }, StringSplitOptions.None)[1]; //!command

            switch (command.ToLower())
            {

                #region Schedule
                case "schedule":
                    irc.sendChatMessage("My Schedule is Tuesday, Wednesday & Saturday 7:30PM - 10:30PM PST ");
                    break;
                #endregion


                #region Dropped
                case "dropped":
                    irc.sendChatMessage("PJSalt KAPOW BibleThump BibleThump");
                    break;
                #endregion

                #region Hype
                case "hype":
                    irc.sendChatMessage("KAPOW CurseLit KAPOW CurseLit KAPOW CurseLit KAPOW CurseLit");
                    break;
                #endregion

                #region UpTime
                case "uptime":
                    irc.sendChatMessage("");
                    break;
                #endregion

                #region Default
                default:
                    irc.sendChatMessage("That is not a command");
                    break;
                #endregion
            }
        }

        private bool BannedWordFilters(string username, string message)
        {
            foreach (string word in BannedWords)
            {
                if (message.Contains(word))
                {
                    string command = "/timeout " + userName + " 10";
                    irc.sendChatMessage(command);
                    irc.sendChatMessage(userName + " have been timed out for using a banned word.");
                    return true;
                }
            }
            return false;
        }

        private void chatBox_TextChanged(object sender, EventArgs e)
        {
            chatBox.SelectionStart = chatBox.Text.Length;
            chatBox.ScrollToCaret();
        }

        private void SendButton_Click(object sender, EventArgs e)
        {
            irc.sendChatMessage(BotChatBot.Text);
            BotChatBot.Clear();
        }

        private void BotChatBot_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == Convert.ToChar(Keys.Return))
            {
                irc.sendChatMessage(BotChatBot.Text);
                BotChatBot.Clear();
            }
        }
    }
    class IrcClient
        {
            private string userName;
            private string channel;

            public TcpClient tcpClient;
            private StreamReader inputStream;
            private StreamWriter outputStream;

            public IrcClient(string ip, int port, string userName, string password)
            {
                tcpClient = new TcpClient(ip, port);
                inputStream = new StreamReader(tcpClient.GetStream());
                outputStream = new StreamWriter(tcpClient.GetStream());

                outputStream.WriteLine("PASS " + password);
                outputStream.WriteLine("NICK " + userName);
                outputStream.WriteLine("USER " + userName + " 8 * :" + userName);
                outputStream.WriteLine("CAP REQ :twitch.tv/membership");
                outputStream.WriteLine("CAP REQ :twitch.tv/commands");
                outputStream.Flush();
            }

            public void joinRoom(string channel)
            {
                this.channel = channel;
                outputStream.WriteLine("JOIN #" + channel);
                outputStream.Flush();
            }

            public void leaveRoom()
            {
                outputStream.Close();
                inputStream.Close();
            }

            public void sendIrcMessage(string message)
            {
                outputStream.WriteLine(message);
                outputStream.Flush();
            }

            public void sendChatMessage(string message)
            {
                sendIrcMessage(":" + userName + "!" + userName + "@" + userName + ".tmi.twitch.tv PRIVMSG #" + channel + " :" + message);
            }

            public void PingResponse()
            {
                sendIrcMessage("PONG tmi.twitch.tv\r\n");
            }

            public string readMessage()
            {
                string message = "";
                message = inputStream.ReadLine();
                return message;
            }
        }




    }