Got bored really fast and wanted to mess with Visual C#.

What you need
-------------
Timer (tmrSpammer)
2 Buttons (cmdStop, cmdStart)
1 TextBox (txtMessage)
3 Radio Buttons (optFast, optNormal, optSlow)


PHP Code:
        private void cmdStart_Click(object senderEventArgs e)
        {
            
tmrSpammer.Enabled true;
        }

        private 
void tmrSpammer_Tick(object senderEventArgs e)
        {
            if (
optFast.Checked == true)
            {
                
tmrSpammer.Interval 20;
            }
            if (
optNormal.Checked == true)
            {
                
tmrSpammer.Interval 3500;
            }
            if (
optSlow.Checked == true)
            {
                
tmrSpammer.Interval 15000;
            }

            
SendKeys.Send(txtMessage.Text);
            
SendKeys.Send("{Enter}");
        }

        private 
void cmdStop_Click(object senderEventArgs e)
        {
            
tmrSpammer.Enabled false;
        } 
Full project code.

PHP Code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace 
Spammer
{
    public 
partial class frmMain Form
    
{
        public 
frmMain()
        {
            
InitializeComponent();
        }

        private 
void cmdStart_Click(object senderEventArgs e)
        {
            
tmrSpammer.Enabled true;
        }

        private 
void tmrSpammer_Tick(object senderEventArgs e)
        {
            if (
optFast.Checked == true)
            {
                
tmrSpammer.Interval 20;
            }
            if (
optNormal.Checked == true)
            {
                
tmrSpammer.Interval 3500;
            }
            if (
optSlow.Checked == true)
            {
                
tmrSpammer.Interval 15000;
            }

            
SendKeys.Send(txtMessage.Text);
            
SendKeys.Send("{Enter}");
        }

        private 
void cmdStop_Click(object senderEventArgs e)
        {
            
tmrSpammer.Enabled false;
        }
    }