Click here to Skip to main content
13,549,468 members
Click here to Skip to main content
Articles » Languages » C# » Memory Management » Downloads

Stats

274.7K views
14.2K downloads
157 bookmarked
Posted 23 Sep 2006
Licenced CPOL

How to write a Memory Scanner using C#

, 23 Sep 2006
Search a process' memory to find specified 16, 32 or 64 bit data values.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Drawing.Drawing2D;
using Sojaner.MemoryScanner;

namespace MemoryScanner
{
    public partial class FreezeWindow : Form
    {
        public FreezeWindow()
        {
            InitializeComponent();
            #region User Interface
            Bitmap bitmap = new Bitmap(this.Width, this.Height);
            Graphics graphic = Graphics.FromImage(bitmap);
            graphic.SmoothingMode = SmoothingMode.AntiAlias;
            Rectangle rectangle = new Rectangle(0, 0, this.Width, this.Height);
            LinearGradientBrush brush = new LinearGradientBrush(rectangle, Color.LightSteelBlue, Color.SteelBlue, 90, true);
            graphic.FillRectangle(brush, rectangle);
            Bitmap terminalBitmap = global::MemoryScanner.Properties.Resources.Hat;
            int distance = (this.Height - terminalBitmap.Height) / 2;
            Rectangle imageRectangel = new Rectangle((distance / 2), distance, terminalBitmap.Width, terminalBitmap.Height);
            graphic.DrawImage(terminalBitmap, imageRectangel);
            Pen pen = new Pen(Brushes.White, 4);
            graphic.DrawRectangle(pen, rectangle);
            this.BackgroundImage = (Image)bitmap;
            #endregion
        }

        MemoryPass[] pass;

        Process process;

        MemoryFreeze freeze;

        public Process Process
        {
            set { process = value; }
        }

        internal MemoryPass[] Pass
        {
            set { pass = value; }
        }

        private void FreezeWindow_Load(object sender, EventArgs e)
        {
            freeze = new MemoryFreeze(process);
            for (int i = 0; i < pass.Length; i++)
            {
                switch (pass[i].Type)
                {
                    case 0:
                        freeze.AddMemoryAddress(pass[i].Address, (Int16)pass[i].Value);
                        break;
                    case 1:
                        freeze.AddMemoryAddress(pass[i].Address, (Int32)pass[i].Value);
                        break;
                    case 2:
                        freeze.AddMemoryAddress(pass[i].Address, (Int64)pass[i].Value);
                        break;
                }
                listBox.Items.Add("0x" + Convert.ToString(pass[i].Address, 16).ToUpper() + "-> (" + pass[i].Value.ToString() + ")");
            }
            try
            {
                freeze.StartFreezing(10);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

        private void closeButton_Click(object sender, EventArgs e)
        {
            try
            {
            freeze.StopFreezing();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
            Application.Exit();
        }

    }
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Share

About the Author

Rojan Gh.
Founder Sojaner AB
Sweden Sweden
UX designer and full stack developer mainly focused on .NET technologies.
Currently loving .NET Core 2.0.

You may also be interested in...

Pro
Pro
Permalink | Advertise | Privacy | Terms of Use | Mobile
Web03 | 2.8.180515.1 | Last Updated 23 Sep 2006
Article Copyright 2006 by Rojan Gh.
Everything else Copyright © CodeProject, 1999-2018
Layout: fixed | fluid