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Great Reads

C# USB HID Interface

by Szymon Roslowski

Just another approach to understanding communication between HID devices and C#.

Cryptographic Interoperability: Keys

by Jeffrey Walton

Import and export Cryptographic Keys in PKCS#8 and X.509 formats, using Crypto++, C#, and Java.

Custom Controls in Win32 API: Scrolling

by Martin Mitáš

How to support scrolling within your controls.

XColorSpectrumCtrl - a non-MFC color picker control that displays a color spectrum

by Hans Dietrich

XColorSpectrumCtrl displays a color spectrum that allows user selection, and provides APIs for color based on RGB and HSL color models.

Latest Articles

Machine Learning for C++ developers - the hard way: DirectML

by Michael Chourdakis

An introduction to machine learning with working C++ code that trains a linear regression model.

by Ștefan-Mihai MOGA

Task Manager shows you the programs, processes, and services that are currently running on your computer. You can use Task Manager to monitor your computer’s performance or to close a program that is not responding.

IntelliFile - An Alternative Windows Version to the Famous Total Commander

by Ștefan-Mihai MOGA

This article is about the IntelliFile application which is a free alternative Windows version to Total Commander and uses many components that have been published on CodeProject.

ScreenCapture: Single Header DirectX Library with HDR ability

by Michael Chourdakis

DirectX hardware screen capture and encoding with audio mixing capabilities. H264/H265/VP80/VP90/FLAC/MP3. HDR supported.

All Articles

Win32

C# USB HID Interface

2 Sep 2013 by Szymon Roslowski

Just another approach to understanding communication between HID devices and C#.

WebView2 Edge Browser in MFC C++ Application

15 Jun 2022 by Ayush Swiss

C++, WebView2, Edge Browser, Edge in MFC application

Windows Memory leak detection (update to existing article)

1 Mar 2011 by Tim Stevens

An updated version of the code in David A Jones' article "Memory Leak Detection"

Custom Context Menu

28 Mar 2014 by Alex Culea

Shows how to create a window that behaves like a context menu

Section Handles Enumeration. Extending File Unlocking

19 May 2015 by Yohamnes Hernandez

How to free blocked files, inclusive if they are mapped in memory. Something that many tools are missing.

Get a Collection of All Running Excel Instances

26 Nov 2016 by JamesFaix

Get a collection of all running Excel interop Application objects (not just the active one)

Yet Another Fully Functional ownerdraw Menu

23 Jan 2020 by Steffen Ploetz

Another fully functional ownerdraw menu with minimal effort - this time based on Win32, with icons instead of bitmaps, with accelerators and tested for ReactOS and WinNT 4.0 to Windows 10

DMath is DirectXMath for All

5 Mar 2017 by Jose A Pascoa

Part 1 - Using DMath from C#

Dynamically Bound Dictionary to Windows Grid

2 Oct 2012 by Clifford Nelson

This article presents a way to display totally dynamic data in a windows grid using a dictionary.

Creating A Window In Go Language

1 Dec 2015 by Farhad Reza

This tip describes how we can create a simple window in Go programming language using Win32 API functions.

Enabling and Disabling TaskManager

27 Jun 2011 by charles henington

Entity Model to Excel using LINQ in C#

31 Oct 2013 by Debopam Pal

How to bring data from Entity model to Excel file using LINQ.

SQL-Server-2008

Avoid Out-of-memory Troubles with Very Large Lists(Of T)

15 Jan 2016 by veen_rp

Big lists (>1,000,000 items) can cause out-of-memory errors raised by .NET. Manage them by a List of List(Of T)

USB Reset Attribute

6 Apr 2014 by Prabakaran T

Ultimate USB Reset Attribute with powerful option

How To Hide Or Show .NET Tabs Programmatically

20 Nov 2011 by Bernhard Hiller

That's far too obscure.All you need to do is store a reference to the TabPage instance which was removed from the TabPages collection of the TabControl. You may use the form where the TabControl is placed for that purpose.You could also create your own TabControl which has an extra property...

Bug Fixes for Reading Barcodes from an Image - III

5 Jul 2012 by Matthias Böhnke

Bug Fixes for Reading Barcodes from an Image - III

XSLT to transform Excel XML worksheet to "named" nodes

10 Jun 2014 by Anamera

This XSLT will output an Excel worksheet containing a CSV type of record collection in a more usable XML format.

10 Oct 2014 by Gerardo Recinto

Virtualization of RAM & Disk for high-speed, low-footprint & scalable data caching

Protocol Association Enumerator

6 Oct 2015 by Maxim Komlev

.NET classes to enumerate applications associated with protocol

Build Your Own SDN Network

10 Dec 2015 by JinWenQiang

Get started with your own SDN (Software Defined Network) simulation network

Helper Methods for Working with Shares

27 Jun 2018 by Clifford Nelson

These are some methods I created to help with creating and deleting Windows shared directories.

The Current Thread Handle

27 Dec 2022 by Bruno van Dooren

What to do when you want to use the current thread handle

ZigZag Algorithm in a Grid (revised version, 2.1)

24 May 2020 by User 5250478

Application to show how to zigzag order a matrix

Formatted MessageBox/AfxMessageBox

21 Oct 2010 by Aescleal

printf is so 1980s. If you don't want to dig out your shoulder pads and big hair why not go for a more modern C++ approach?Instead of a function try a stream buffer:class message_box_stream_buf : public std::basic_streambuf{ public: message_box_stream_buf( const...

How to determine the CD/DVD (optical) drive letter

28 Jul 2013 by Mike Meinz

How to use .NET Framework to determine the drive letter of the CD/DVD (optical) drive.

Query Assistant - Connect to Databases with ADO and Execute Queries

24 Jan 2022 by peterswinkels

A Visual Basic 6 program demonstrating how to access databases using Microsoft ADO and how to automate Outlook and Excel.

Geert van Horrik's 'Updater' in Visual Studio Community Edition With Small Changes

30 Nov 2014 by David O'Neil

I needed an 'Update' solution for a project, and modified Geert van Horrik's 'Updater' to do so. This is the solution in Visual Studio Community Edition

Using Integer Instead of Enum in XAML

26 Sep 2015 by Piyush Manharlal

Using integer instead of Enum for ComboBox and Radio Button in XAML

Calculator Interface Design In Rust Language

15 Dec 2016 by Farhad Reza

This tip describes how we can design application interface using Win32 API in Rust Programming language.

Implementing Unity's Coroutines on Winforms and WPF Applications

6 Jun 2017 by Nick Tziamihas

In this article, we show how you can execute asynchronous code on the main thread without async, by replicating Unity's coroutine framework.

Win32++ Programmatically Created Menus with Code::Blocks on ReactOS

23 Jan 2020 by Steffen Ploetz

The Win32++ class library sample collection does not contain a sample, that creates the frame menu via API instead of via resources. Here is the missing part.

Approach to Paste a Bitmap into an Icon Image on ReactOS (and Consequently on Windows XP and Newer Versions, using Win32 API)

27 Dec 2020 by Steffen Ploetz

Step-by-step instructions and source code snippets for inserting a bitmap (or a section of it) into an icon image.

Run Client in Lua Script Completely

31 Oct 2022 by flyhigh

By implementing a UI library and exporting its necessary components to lua script, we can create a beautiful UI and implement relevant logic in Lua script completely.

Is it mandatory to call _endthreadex() in your thread function?

3 Oct 2011 by Karthik Kalyanasundaram

Do you really need an explicit call to _endthreadex() in your thread function created using _beginthreadex()

VB.NET wrappers for much of the Windows API

15 Apr 2012 by andrewbb@gmail.com

Includes most API functions except for graphics.

PartnerTech CD-7220 POS Customer Display - .NET Class

24 Sep 2013 by Mike Meinz

PartnerTech provides a 32-bit DLL and a 64-bit DLL for communicating with the CD-7220 Series Customer Display in true USB mode. This tip demonstrates a .NET class that can be used to provide an easy way to access the PartnerTech-provided 32-bit DLL.

Rendering AltNETType (= .NET FreeType port) with OpenGL

14 Oct 2013 by Demid Korneev

Example of AltNETType use in OpenGL

.Gif viewer / Snipper Control

27 Jun 2015 by Pedram_Niloufari

C# .Gif viewer / Snipper control

Introduction to Embedded Icons without Resource on ReactOS

21 Oct 2019 by Steffen Ploetz

How to embed icons into Win32 programs without utilizing resources - useful for platforms without resource editor/resorce compiler, e.g., ReactOS. Learn the missing things about the .ico format.

Keys Enumeration Win32

15 Apr 2010 by Joshua Tully

So I’m playing around with DX10 and decide to do some input work. After much research apparently no one can decide what the best way to handle keyboard input so I’m just going to use WM_KEYDOWN/UP and store the state in a bool[] and check that in the rendering code. Also, instead of using...

How to avoid multiple instances of your Windows application

3 Feb 2011 by Menuki

This solution works in Windows environment under Visual Studio.I don't know if there is a Linux equivalent.I use a counter common for all processes.#pragma data_seg("counter") // counter common for all processesLONG gs_nCtApp = -1; #pragma data_seg()#pragma comment(linker,...

All about owned windows

6 Jul 2011 by Mukit, Ataul

This tip, taken from MSDN tells the basic of ownership in windows.

convert a win32 rc file to XML

20 Jul 2011 by Mukit, Ataul

this tip tells about a tool that converts a win32 rc file to XML

How To Lock Device Screen For Windows Mobile

7 May 2012 by emranallan

Lock Device Screen ,to prevent an one working on the device

SolidWidgets Grid

17 Jul 2012 by Jake Franta

SolidWidgets Grid tutorial.

Changing Windows Parental Controls in VB.NET

8 Oct 2012 by djdynamix

A little workaround to enable a VB.NET application to read and alter the WPC settings for any user.

Accesing DB2 Databse using DB2 CLI

4 Oct 2012 by Ritesh_Singh

C++ code to connect/access DB2 database using DB2 call level interface(CLI)

Cinchoo - Using Windows registry as configuration source

25 Jan 2013 by Cinchoo

This article show how to consume Windows registry information using Cinchoo Configuration Manager.

Get Windows Win32 Error Text - Simplified

31 Jul 2013 by Thomas B Dignan

Getting the text of Win32 Error codes for 99% of cases.

Run multiple instances of a Windows service

30 Jun 2014 by Keith Balaam

Run multiple instances of a Windows service on the same machine.

C# / VB.NET / C++ CLI and WinAPI: How to Programmatically Press Mouse Button, and Check if Mouse Button or Keyboard Key Pressed

29 Sep 2014 by Emiliarge

Using WinAPI functions - GetAsyncKeyState and mouse_event

.NET WinForms Tray Icon Implemenation with Win7 and Vista Features

23 Oct 2014 by BrokenEvent

.NET WinForms Tray icon implemenation with Win7 and Vista features: GUID identification, large custom icons, custom UI instead of the hint, etc.

Communication Library Files - UDP Broadcast

5 Apr 2015 by Chris Jorna

Communication library files - UDP broadcast

Communication Library Files - LMS5lib | Connection and Structure

16 Apr 2015 by Chris Jorna

Communication Library Files - LMS5lib | Connection and structure

How to Sign Device Drivers with WDK 7.1

24 Jun 2015 by maratoni

This is a brief tutorial on how to sign a Windows device driver with WDK 7.1

Guarantee Correct Spacing for toolbar Separators on Multiple TB_ADDBUTTONS Calls

15 Jan 2020 by Steffen Ploetz

A solution for: If the toolbar is created button by button with single TB_ADDBUTTONS calls, the width of the separators is not calculated correctly.

How to disable the Sleep button while your code is running

6 Nov 2012 by PJ Arends

I needed to disable the Sleep button on my keyboard, here's how.

Convert Dialog Resource Units to Pixels

15 Sep 2011 by Mukit, Ataul

This tip shows you how to convert the dimension values in the .rc file of a dialog into pixels

CTRL+ I is received as TAB in the OnChar event of a window

15 Sep 2011 by Mukit, Ataul

This is not so much of a trick, just a little tip about how CTRL+I is interpretated in a window

Badges for Windows 7

9 Mar 2012 by Grigory Avdyushin

Short description how to create a sexy badge for windows 7 taskbar

How to get a value from a child form back to a caller form

5 Jul 2012 by Pasan Eeriyagama

how to get gridview selected row value to text box which is in another windows form

Free Space Cleaner

25 Aug 2012 by Rich Turner

Free space cleaner to overwrite empty space on logical disks

Scanning a PCAP dump to find DNS and NETBIOS queries

26 Sep 2012 by himanshupareek

Parse the PCAP dump and extract NETBIOS and DNS queries.

Load an HBITMAP into SFML sf::Image container

5 Feb 2013 by Lars [Large] Werner

Use the standard GDI API to load an HBITMAP into SFML.

Mirror keys for multiboxing MMORPG games like WOW/LOTRO

7 Mar 2013 by joejames111

Raw input 64-bit .NET classes.

Using Named Colors

3 Jun 2013 by LarryCharlton

Using system, named, and hex color values

Software Development and the Bitness Challenge

3 Jun 2013 by citrin

About the bitness challenge in software development

Windows-Installer

Elevated Privileges through command line in windows

28 Jul 2014 by Muhammad Muddasar Yamin

The article is about launching elevated processes through command line

Fast Bluetooth Sharing From Windows

2 Jun 2016 by Eric Payne

The simplest, fastest way to send a file from your computer using Bluetooth!

Automatically Disappearing Dialog, Used to Provide VERIFY and ASSERT on ReactOS

8 Jan 2020 by Steffen Ploetz

Automatically Disappearing Dialog

SET Network Parameters with IPCONFIG and Text Files

24 Jan 2024 by Allegra Angelo

Save, read and text recognition of network parameters

CD / DVD Tray Locker

13 Jan 2011 by Steve Maier

To get this to work in .NET 4, you have to change the DLLImport signature.[DllImport("kernel32.dll", SetLastError = true)]private static extern IntPtr CreateFile( string lpFileName, uint dwDesiredAccess, int dwShareMode, ref SECURITY_ATTRIBUTES lpSecurityAttributes, ...

Invoking foreign remoting interfaces in remote hosts using C#

22 Jun 2011 by ugavnholt

How to invoke foreign remoting interfaces in remote hosts.

Simulate a keystroke in windows

1 Sep 2011 by Jose David Pujo

With SendInput:void SetNumLock (bool active){ BYTE keyState[256]; GetKeyboardState((LPBYTE)&keyState); bool active0= keyState[VK_NUMLOCK] & 1; if (active0!=active) { INPUT inp[2]; ZeroMemory(inp, sizeof(inp)); inp[0].type=INPUT_KEYBOARD; ...

Away to always load BHO in a popup window

27 Mar 2012 by MinamiTiaki

BHO

A 64 Bit Version of ODBCTracer

7 Sep 2012 by zippy1981

This is an alternative for "ODBCTracer"

Super Simple C++ Win8 Live Tile Text Notification

12 Sep 2012 by sam stokes

How to implement live tile notification in just a few lines of code

Super Simple Live Tile Notification Using an Image (C++)

11 Sep 2012 by sam stokes

This sample demonstrates how to use the Tile Template, specifically the TileSquareImage and an image.

Add music to a simple Windows 8 Store App

25 Sep 2012 by sam stokes

This is a really simple implementation of JavaScript and HTML5 to be used in a Windows 8 Store app.

Making async Http Request

22 Oct 2012 by FlyersWeb

This article present how to make async HTTP Request in a command line application

Add-in Word - Simple Paste PrintScreen

13 May 2013 by Douglas de Alvarenga Silva

Add-in Word for PrintScreen

Tabbed IE Browser Control

3 Jul 2013 by Emmery Chrisco

Tabbed Browser Control addon

Jacob read Excel pivot tables

18 Jul 2013 by Mircea Sirghi

Jacob for Excel, pivot tables, VBA functions, etc.

Custom combobox dropdown Close Problem

2 Sep 2014 by Mike Hankey

A simple solution to rolling up a Custom ComboBox list on mouse leave.

Security Blackout Window (In C#)

18 Dec 2014 by Brisingr Aerowing

This is an alternative for "Security Blackout Window"

Communication Library Files - NetTools | IsSameSubnet

15 Apr 2015 by Chris Jorna

Communication Library Files - NetTools | IsSameSubnet

A Very Basic Singely Linked List for VBA

16 Mar 2019 by WhiskeyBeforeWater

A nodular Singely Linked List for VBA with some basic functions

Security Blackout Window

20 Nov 2013 by Richard MacCutchan

Obscure a window or the screen and show a dialog.

The Inner Working of FindResource() and LoadString() Win32 Functions.

24 Mar 2014 by pasztorpisti

A custom implementation of the FindResource() and LoadString() functions with better error indication. Pointing the direction for those who want to learn the binary PE resource format.

Bigger Directories

15 Dec 2017 by Laurie Stearn

Dialogex with Listbox to manipulate long paths in Windows

Quick Tip - Steps to Decode Windows Error Code

31 Mar 2016 by TapasU

Steps to decode Windows Error code

C# Class to generate Math. Combinations

7 May 2014 by ehab_nour

Fast algorithm

C# - Fast Memory Copy Method with x86 Assembly Usage

19 Dec 2014 by OKarpov

How to use ASM in C#.NET and most fast memory copy method

Win32 GUI Programming In Rust Language

12 Dec 2016 by Farhad Reza

In this tip, we will see how we can use the Rust language to do GUI (Graphical User Interface) programming. As an example program, we will create a simple Window. Using Win32 API functions.

XBOX360 Achievement

31 Dec 2020 by Kai Schtrom

Display smart messages on the Windows Desktop as XBOX360 achievements

Face Detection with 10 Lines of Code - VB.NET

23 Mar 2013 by Dejan Mauer

Probably the easiest way to detect faces in images by using Accord.net framework

Fixing Daylight Saving Time of Windows for Next 100 years

30 Sep 2014 by Vahid_N

Microsoft has not updated Iran's daylight saving time information since 2009. Let's find out how it works and then fix it for the next 100 years!

Print Directly to Selected Local or Network Printer

29 Aug 2013 by Max Methot

This little simple and easy to read program will help you understand how to print to a specific printer, local or shared on a network.

Easy way to simulate keyboard press and release keys

6 Mar 2013 by Ahmed Elkafrawy

An easy way to simulate keyboard press & release keys to another application

Doing a NotifyIcon Program the Right Way

29 Jul 2013 by Johnny J.

How to do a program whose main graphic interface consists of an icon in system tray