[Call of Duty] MW3 SP Trainer

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;
using System.Runtime.InteropServices;
using System.Diagnostics;

namespace MW3_SP___Trainer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        [DllImport("kernel32.dll")]
        private static extern Int32 WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, [In, Out] byte[] buffer, UInt32 size, out IntPtr lpNumberOfBytesWritten);
        IntPtr pHandel;
        public bool Process_Handle(string ProcessName)
        {
            try
            {
                Process[] ProcList = Process.GetProcessesByName(ProcessName);
                if (ProcList.Length == 0)
                    return false;
                else
                {
                    pHandel = ProcList[0].Handle;
                    return true;
                }
            }
            catch (Exception ex)
            { Console.Beep(); Console.WriteLine("Process_Handle - " + ex.Message); return false; }
        }
        private void Write(int Offset)
        {
            Process_Handle("iw5sp");
            byte[] Buffer = { 100 };
            IntPtr Zero = IntPtr.Zero;
            WriteProcessMemory(pHandel, (IntPtr)Offset, Buffer, (UInt32)Buffer.Length, out Zero);
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            Write(0x0137FA24);
            Write(0x0137FA18);
            Write(0x0137FA3C);
            Write(0x0137FA30);
        }

        private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
        {
            for (; ; )
            {
                Write(0x1195528);//HP
            }
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            if (Process_Handle("iw5sp"))
            {
                linkLabel1.Text = "Found";
                button1.Enabled = true;
                button2.Enabled = true;
                linkLabel1.LinkColor = Color.Green;
            }
            else
            {
                linkLabel1.Text = "Missing";
                button1.Enabled = false;
                button2.Enabled = false;
                linkLabel1.LinkColor = Color.Red;
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            timer1.Start();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            backgroundWorker1.RunWorkerAsync();
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            try
            {
                backgroundWorker1.Dispose();
                backgroundWorker1.CancelAsync();
            }
            catch { }
            MessageBox.Show(":::MW3 SP Trainer:::\nCreator: Jorndel\n\nCya, until next time  ");
        }
    }
}

http://www.mediafire.com/?nrz15534by5chn0