This article describes a simple Windows control written in C# that simulates a wheel knob like that on your walkman used to change volume.

I would like to show how we can draw rubber-band lines and shapes in GDI+ with just a few lines of code.

This in an improved version of Keeping Score with LED Counter article originally written by John O'Donnell.

Shows how to convert an image from a spatial representation (i.e. picture on the left) to a frequency representation (picture on the right) using a 2D fast Fourier transform.

This article shows how to create images on the fly and uses XML to specify the properties of the images.

Alpha blending is a process of mixing colors and generating a transparent affect. To test this, you draw some graphics shapes on a surface and draw image on top of those shapes and you should be ab...

Control creation for windows form was never so easy like its now with .Net, although it needs some math skills if you want to create self drawn control.

This is a follow up of the article written originally for the beta version of .NET. called, A Graphics Component in C#.

This article and attached sample code demonstrates you how to use the CurrencyManager and MemoryStream to display images. The current demonstration displays all the records of the employees with th...

Currently I am developing a shareware application for generating image galleries for the web. There is a template engine built in that allows the user to specify colors as hexadecimal values, plus ...

The Web Thermometer is a good example for using GDI+.

Spiro designer is a partial implementation of Spirograph. Spiro Designer uses the Matrix and GraphicsPath classes with their Transform and Rotate methods to build a spiro.

I m glad to be the first one writing about OpenGL at this site. What I want to show you in this article is that it is fairly easy to setup a form that is capable of showing 3D.

In this article I want to explain couple of more things. First of all, I would like to cover the OpenGL Coordinate System.

In this article, the author adds (fixes) new features to the code.

DigitizeAny uses Win32 API calls to obtain the coordinates of the cursor and then translates to the graph coordinates once set. Since a mouse click would essentially bring to focus the window where...

Most of you must have seen picture box control of windows forms. We can set image of picture box control and control will render that image in form.

The attached project is a chess game that can be played by two users online as well as on the network.

The article goes to explain that GA (Genetic Algorithms) have been used by various programmers to come up with 15 previous patented inventions + (and here is the startling part) some new ones! I ...

When I started writing web applications using .NET, I found myself in need to dynamically create thumbnails of images that could be uploaded by the user or pulled from a database.