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Great Reads

Fluid Geometry - An Animation Library and Configuration Application

by Josh Smith

A task-oriented review of an animation library and the application which uses it

Music Notation in .NET

by Ajcek84

Open source library for music engraving in desktop, mobile and web applications

Vash - A GDI+ Flash-Like Vector Animation Program

by Clayton Rumley

There are those who think I am crazy, and this just might be the proof.

2D "Nim" Game Development and Animation in C# (Part 2)

by Volynsky Alex

Part 2 in a series of articles on a two-player mathematical game of strategy

Latest Articles

A Simple Sliding Puzzle

by spidergeuse

Manipulate WinForms controls to make a simple jigsaw puzzle

Recreating Gdiplus Hatches with SkiaSharp

by Andy De Filippo

A simple technique to quickly port hatch effects from Gdiplus to SkiaSharp

Drawing Rich Text with GDI+

by Andy De Filippo

Render Rich Text with GDI+ by tapping into the power of API hooking

3D Face Viewer and Matcher

by Yang Kok Wah

A tool to generate face images and animated gif files for different angles and lighting using only a single face image. Also includes Face Matcher using Microsoft Face API.

All Articles

GDI+

How to Preserve the menu pushed state

30 May 2010 by #realJSOP

Without seeing your code, we can't possibly help you beyond stating the obvious - "you're doing something wrong, or not doing something yo should be doing".

Bitmap Alpha Blurring

26 Sep 2011 by #realJSOP

I have an PNG image with a single-color shape on a transparent background. I want to blur the edges of the shape using the alpha channel to control opacity (so the blurred pixels will be the same color but the opacity will gradually diminish to 0).I've looked around on google (and here on...

Bitmap Alpha Blurring

26 Sep 2011 by #realJSOP

I found some code (but I can't find the source URL again). It was some german guy's code that was answering a similar question on MSDN. I'm using the sigma functions. I reformatted the code a little and added the NormalizeValue method (at the top) as well as the Blur method (at the bottom). I...

GDI+ Question - Scaling/Redrawing

8 Oct 2011 by #realJSOP

I've created a custom control that allows me to render an image. This image is supposed to be scalable, which is performed by using an up/down control. The image scales just fine, but when it does, it leaves the original image on the screen along with the rescaled version of it. I've tried a...

More GDI+ fun - moving a scaled/rotated image

10 Oct 2011 by #realJSOP

I'm back. I've got an image that I'm trying to scale, rotate, and move within a user control. The scaling and rotate are working fine, but when I try to move AFTER scaling or rotating, it doesn't quite move like it ought to, and the more it's scaled or rotated, the worse it gets. Here's the...

Screen and Grain effect for image,( to get dots over image)

8 Dec 2011 by #realJSOP

A little google goes a long way:http://www.gutgames.com/post/Adding-NoiseJitter-to-an-Image-in-C.aspx[^]EDIT ===============================You voted my answer a 1 because you don't want to do the work necessary to accomplish your goal? Rightie-oh, then...Here's more than 3.8...

image-processing

Print cheque rotated by 90 degrees

17 Dec 2009 by 0x3c0

This depends on how far you are through the process. If you've got the image of the cheque stored on the computer, then you simply use Image.FromFile to load it in, get a Graphics instance using Graphics.FromImage, then use the Graphics.RotateTransform[^] method.From there you can either...

GDI+ slow on large simple objects

26 Jan 2010 by 0x3c0

It looks like you're creating a drawing program. The reason you're having such bad response times, is that your design is horribly flawed. CreateGraphics shouldn't need to be used, because it doesn't persist changes on minimise or resize.I created a program somewhat like this a while ago,...

GDI+ and desktop interaction

11 Nov 2016 by 5everin

This isn't really a coding question, more me trying to understand why the below is happening. Though if someone can provide a solution that would be fantastic.I've written a screensaver using Winforms and GDI+ that draws shapes to a manually controlled buffer then renders the finished image...

iPhone like List Scrolling with FingerFlicker

5 Oct 2007 by 8r13n

Simple example of how to build a finger controlled list that runs smoothly

3D Geometry Library (Basic Classes) and 3D Drawing using VB.NET

7 Sep 2007 by _Bala

This article explains a 3D geometry library developed using VB.NET.

A Simple C# Labyrinth and Maze

20 Jul 2010 by _H2_

An application and algorithms for best path in maze

A Fast and Performing Gauge

24 Aug 2012 by A.J.Bauer

This article shows you how to write a performing control using .NET 2.0 and GDI+.

Windows Forms Controls: VB.NET Translucent Control using GDI+

10 Jun 2014 by a_pess

Build a standard Windows Forms translucent control using GDI+ & VB.NET

Image Transition in VB.NET Windows Forms

8 Nov 2009 by a_pess

Image transition and visual effects in VB.NET using GDI+.

Image Color Picker

9 Sep 2011 by a_pess

Turn an image to a ColorPicker.

Check the File Format of an Image.

15 May 2014 by a_pess

Image File Format

Alpha Blended (Transparent Capable) TextBox and RichTextBox

24 Feb 2006 by Aaron Dilliard

This article shows how to make a transparent/translucent TextBox and RichTextBox.

Quick Snip - Lightweight image resizer

8 May 2005 by Aaron Sherman

Quick Snip is an incredibly lightweight application to make "web sized" pictures out of large images

How To Solve - Generic error occurred in GDI+

2 Jul 2013 by abevikemosabe

I realize this is old, but I figured I'd point out that the real reason you are getting this error is because InPtrs are unmanaged, which means you need to dispose of them yourself as .NET will not do this for you.This line:TrayIconCPU.Icon = Icon.FromHandle(m_TrayBitmap.GetHicon)needs to...

SplashForm - A Splash Window Form

17 Feb 2005 by abhinaba

This article is about a class that extends Windows Forms to create splash screens and About dialogs.

Customize .NET Controls Appearance

4 Dec 2009 by Abhinav S

If you are looking at starting your project from scratch, you could use WPF or Silverlight instead of winforms. These provide awesome control styling and customization features.

How to Preserve the menu pushed state

30 May 2010 by Abhinav S

You may need to build another control that simulates this "push" event. You could use some sort of a ToggleButton.

graphics using C#.net

21 Jan 2013 by Abhinav S

Start with this video maybe - http://www.youtube.com/watch?v=4afQMX9OKk0[^].You should pick up a book on drawing with C# and you might get tons of information.

How to draw a rectangle on Image

13 Dec 2014 by Afzaal Ahmad Zeeshan

The first step would be to create the Graphics object to work for the drawing. You cannot draw directly, you are required to create a Bitmap, and use the Graphics object to create different things on it. You can create your own Bitmap, by passing your pictureBox (Image) to it, and make the...

Elliptical/Circular Button

6 May 2005 by ahmed1979

Learn how to draw an Elliptical/Circular button with 3D or popup styles.

How to make gradient colored Controls in Windows Forms

26 Aug 2010 by Ahmed_Said

Colorful Microsoft Windows Forms Controls

16 Sep 2010 by Ahmed_Said

Colorful Microsoft Windows Forms Controls

SVG Artiste - An SVG Editor

3 Aug 2010 by Ajay Britto

A Vector based tool to create and edit SVG images

PSAM Control Library

19 Jul 2018 by Ajcek84

WinForms library containing the IncipitViewer control for drawing musical notes

Music Notation in .NET

15 Jul 2018 by Ajcek84

Open source library for music engraving in desktop, mobile and web applications

Another ToolBox Control

19 Oct 2005 by Aju.George

Another Visual Studio like ToolBox control.

Copying one image to another using BitmapData

13 Dec 2010 by Akinola Falola

public Bitmap Background(Bitmap source) { width = source.Width; height = source.Height; BitmapData srcData = source.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, source.PixelFormat); byte*...

Design WinForms Controls using Photoshop

2 Nov 2019 by Alaa Ben Fatma

Use your skills as a designer to create gorgeous control

.NET-Compiler-Platform

VisualStudio-Like TabControl

23 Aug 2016 by Alaa Ben Fatma

Inherits the awesome style of Visual Studio's TabControl for better exploiting

IStream, Bitmap, CBitmap where is image data duplicated?

8 May 2011 by Alain Rist

Hi Quy,The Gdiplus::Bitmap object by itself produces no new data, it is just a connector to the relevant codec and the Gdiplus::Image data (your IStream). When you succesfully call pBitmap->GetHBITMAP(Color(0,0,0),&hBitmap); the Gdiplus::Image data are read (from your IStream) and a...

Image Batch Converter

24 Sep 2010 by Alan Burkhart

Quickly resize, rename, change formats and add simple effects to multiple images.

Background Tile Creator

2 Sep 2011 by Alan Burkhart

A small utility for creating interesting background tile images. Includes "Set as Wallpaper" feature

Measuring strings

29 Sep 2004 by Alberto Venditti

An example of using the Graphics.MeasureString() method.

1 Apr 2021 by Aleh Baradzenka

One of the easiest ways to animate images for your program

The Boardgame Twix with a Twist

19 Oct 2004 by Alex A. Miller

This is a strategy board game which I used to enjoy playing with my neighbour when I was a teen in the 80s that I developed in Java, then ported to C#.

Navy Battle Game

26 Jul 2005 by Alex Cutovoi

A client-server navy battle game.

Navy Battle Game - II

26 Jul 2005 by Alex Cutovoi

A client-server navy battle game.

WordCloud - A Squarified Treemap of Word Frequency

10 Aug 2007 by Alex D. Mawhinney

A squarified treemap of word frequency

Cycle Choice Button

28 Mar 2005 by Alex Onezashvili

This article describes a CycleButton control.

23 Apr 2005 by Alex_1

Color ListBox with icons.

Custom Arrow Button

13 Sep 2005 by Alexander Kloep

A button that looks like an arrow.

Text on Path with VB.NET

2 May 2006 by Alexander Seel

A VB.NET class for drawing text on a path.

Controls of an arbitrary shape

6 Jul 2006 by Alexandr Golovanov

The article describes the use and the principle of operation of control of an arbitrary shape.

Non-transparent controls on a semi-transparent window

6 Jul 2006 by Alexandr Golovanov

The article describes the use and the principle of operation of semi-transparent controls with non-transparent child controls.

Smart Control Designer

1 Dec 2007 by Alexandr Golovanov

The article describes the work principles and ways of using SmartControlDesigner, which supports the custom control design in designtime

Pretty IE Toolbar in C#

9 Sep 2008 by Alexandr Golovanov

The article describes the work principles and ways of use of IEToolbarEngine. This is a toolbar for Internet Explorer, which has a reusable architecture.

A simple histogram displaying control

31 Oct 2005 by Alexandru Ghiondea

A histogram control for displaying your data.

Star Wars style text scroller

9 Jul 2007 by alexey _N

Text scroller control with 3D-look (like in the intro of the Star Wars movies)

Rubberband Lines

2 Nov 2005 by AllanNielsen

Using the rubberband line as a ruler.

Create games with the AllegNet library for .NET 2.0

9 Dec 2005 by Allegnet

An article on how to use the AllegNet library to write games with managed languages for the .NET 2.0 framework.

ImagesComboBox Control

29 May 2005 by Alon Ronen

A combobox holding pictures as the items themselves and not just drawing them on run-time.

Generating Random Image Text

18 Sep 2010 by alrosan

One method to generate random text

My painting code consumes too much memory ( rephrased for better clarity )

17 Oct 2013 by AlwaysLearningNewStuff

INTRODUCTION AND RELEVANT INFORMATION:FORMER TITTLE OF THE QUESTION:Window produces flicker-like ( slow repainting-like ) effect when resizedI have a complex painting to implement in my main window’s WM_PAINT handler. I have submitted a link to the picture that describes it,...

Inexperienced win32 developer asks advice/instructions for optimizing/improving code for WM_PAINT and WM_CTLCOLORSTATIC handlers

4 Nov 2013 by AlwaysLearningNewStuff

INTRODUCTION AND RELEVANT INFORMATION:I have implemented complex painting of the main window’s background and its child static controls.The link to this picture shows how it looks:http://pbrd.co/1cx8DHd[^]Static controls have SS_NOTIFY style, which is important to mention, as certain...

Static controls slightly flicker when main window is resized

5 Dec 2013 by AlwaysLearningNewStuff

INTRODUCTION AND RELEVANT INFORMATION:I have a complex painting to implement in my main window’s WM_PAINT handler.I have submitted a picture bellow to illustrate it:http://pbrd.co/18fNYYp[^]Main window has static controls, instead of buttons, which have style SS_NOTIFY.When...

Static controls slightly flicker when main window is resized

5 Dec 2013 by AlwaysLearningNewStuff

The problem was in SetWindowPos API.I am quoting the developer who helped me to solve this problem:" When the main window is resized the WM_SIZE handler moves the static child windows.When a child window is moved, Windows automatically copies the client area of the child control from...

Double buffering malfunctions (updated with small demo source code )

17 Dec 2013 by AlwaysLearningNewStuff

INTRODUCTION AND RELEVANT INFORMATION:I have a complex painting to implement in my main window’s WM_PAINT handler.I have submitted a picture bellow to illustrate it:http://pbrd.co/18fNYYp[^]Main window has static controls, instead of buttons, which have style SS_NOTIFY.When user...

Convert printable area of the paper, obtained by GetDeviceCaps, into RectF

14 Jun 2014 by AlwaysLearningNewStuff

I am learning to use print property sheet so I can start learning printing by drawing a rectangle on the paper.My problem is that I do not have a printer, and am testing the results by printing to XPS file and MS Office OneNote 2007. I am drawing the rectangle with this code snippet ://...

Calculate ideal font size, based on the paper size and maximum allowed text length

28 Jun 2014 by AlwaysLearningNewStuff

I have printing code that draws grid on the paper.Grid has 4 columns, and they have equal horizontal length. Height of the cell is tenth of the paper size. Total number of rows is unknown but I know for a fact that there will be at least one row.Each cell has same physical size-> width...

A floating-point Margin structure, now with TypeConverter

29 Mar 2007 by AlwiNus

A Margin structure that can be used in a variety of situations, like layout, drawing and printing. Now comes with a custom TypeConverter and a usage sample.

Displaying 16-bit Images Using C#

8 Dec 2008 by Amarnath S

An article on how to use GDI+ methods for displaying 16-bit raw images.

Point Operations on Grayscale Images

19 Mar 2009 by Amarnath S, S Mahesh Reddy, Prasad R V

An article describing four point-processing operations on grayscale images (C#).

Linear Contrast Stretch of Grayscale Images

2 Apr 2009 by Amarnath S, S Mahesh Reddy

A program to implement piecewise linear contrast stretching on 8-bit grayscale images (C#).

Using "RDP Encoder Mirror Driver" to Capture Screen

27 Jan 2014 by Amazing LED Display

High Performance Method for Capturing Screen

Aqua Gauge

4 Sep 2007 by Ambalavanar Thirugnanam

A Gauge Control Developed using GDI+ with Aqua Skin

In Memory Image Compression

15 Aug 2003 by Amer Gerzic

In Memory Image Compression/Decompression

Improving Delphi TDBGrid

20 May 2011 by Amir Mahfoozi

Improve Delphi's TDBGrid by adding some new features to it

Clipboard ActiveX for Image Copy/Paste into Web Forms

11 May 2008 by AmitChampaneri

An article for using Copy/Paste of images on Web forms

Image Box

21 Mar 2015 by Ammar J H

An advanced image control for Windows Forms applications with zoom ratio, zoom point, animated images and RightToLeft support

A generic error occured in GDI+. Why is this exception being raised?

12 May 2013 by Amogh Natu

I'm trying to convert HTML Text to a .bmp image. I'm using the following code for performing the operation.Bitmap m_Bitmap = new Bitmap(400, 600);PointF point = new PointF(0, 0);SizeF maxSize = new System.Drawing.SizeF(500,...

A generic error occured in GDI+. Why is this exception being raised?

12 May 2013 by Amogh Natu

Solved. As I was trying to save the image in the root directory (C:\), the program had to have admin privileges. I missed out on that earlier. When I ran the program with admin rights, it worked as expected.

A progress disk similar to that in SQL Server 2005

31 May 2007 by Amr Elsehemy ®

The use of built-in methods of GDI+ to draw a progress disk similar to the one in SQL Server 2005

Basic Illumination Model in C#

15 Jul 2016 by andalmeida

Basic illumination model in C#.

Drawing a family Tree Diagram

6 Sep 2012 by Andrei Straut

I would recommend you take a different look at how your database is structured. I would recommend you go with Nested Set Model[^] structure. In combination with a PostreSQL DB (which supports recursive queries) it can be a very powerful solution.I've implemented this once (actually it was BS...

Importing 3D objects into Avalon from 3DS files

6 Jul 2005 by Andrej Benedik

Class library for importing 3D objects from 3DS files into Avalon, and a simple 3D object viewer.

Motion Detection Algorithms

27 Mar 2007 by Andrew Kirillov

Some approaches to detect motion in a video stream.

Hands Gesture Recognition

22 May 2008 by Andrew Kirillov

Some ideas about Hands Gesture Recognition in still images and video feeds, using the AForge.NET framework (C#).

Camera Vision - video surveillance on C#

9 Oct 2006 by Andrew Kirillov

A C# video surveillance application, which allows monitoring several IP cameras simultaneously.

Image Processing Lab in C#

13 Mar 2007 by Andrew Kirillov

A tool and library for image processing

FastPixel - A much faster alternative to Bitmap.SetPixel

15 Aug 2006 by AndrewVos

Ever wanted something faster than SetPixel? Well, you've found it.

A fast and simple DataGridView analogue

18 Jan 2013 by Andrey Sitaev

Here I placed source files, binaries and brief instructions for FastGrid control.

Recreating Gdiplus Hatches with SkiaSharp

28 Dec 2022 by Andy De Filippo

A simple technique to quickly port hatch effects from Gdiplus to SkiaSharp

Resize and Rotate Shapes in GDI+

9 Dec 2021 by Andy De Filippo

Draw a shape-like editor implementing the use of anchors to resize and rotate a selection rectangle

Drawing Rich Text with GDI+

14 Oct 2022 by Andy De Filippo

Render Rich Text with GDI+ by tapping into the power of API hooking

Image Button and Simulate Windows Media Player UI

27 May 2008 by Andy Lang

Use image button to build pretty UI

Custom draw DataGridView column header (Excel 2007 style)

28 Jan 2007 by Andy32

Overriding the cellpaint event of the DataGridView to give it a gradient background.

Textbox with rounded corners

1 Feb 2007 by Andy32

A TextBox control with rounded corners.

Saving Image files as animated gif

11 Feb 2010 by AneevS

Thank you for the reply.But I'm sorry that i was not able to find the .NET sample. Anyway i'll explain my requirement in more detail.Currently I have a set of Images, say 10, which are stored as code stream. I would like to save these images as animated gif file, so that i can play back it...

How to create a 1bpp Bitmap

22 Feb 2010 by AneevS

Hi All,I'm trying to develop an application that saves a pixel information as bitmap file using VS2008 ( vc++ ). Currently, i have a byte buffer containing pixel data, which is in 1 bit per pixel format. The width and column of the image is 512 x 512. I used Lockbits() method to create the...

How to preserve rendering graphics information

23 Apr 2011 by AngelLoose

I want save the information of the graphics that i paint. And it can show when the windows show again. Most are Irregular graphics. Please Help me !Thanks!I want to save the drawn into the DataBase ,so Next time i opening the window that i can see what i drawn and drawn where!

DesignerLoader how to use

12 May 2011 by AngelLoose

我想做一个绘图，要求绘制的每...

A Control to Display Pie (and Doughtnut) Charts with Highly Customizable Formatting

14 Apr 2021 by Angelo Cresta

An extension of "A control to display pie charts with highly customizable formatting" from mattsj1984 that also renders doughnut.

How do I create editing canvas to draw draft pettern

7 Aug 2016 by ANKIT KHOKHAR

Hello, I am creating a cad application to create pettern draft. But this thing(draw) is new to me so i dont kown how can i achive this.I want to create a vertical hexagonal grid and map each hex with index. Then i draw a straight line from top to bottom then user can edit that line by...

How to use graphics to draw image

2 Dec 2010 by anonymous1310

How can I use graphics class to draw images over a bitmap? Which then can be restored to the screen so whatever i draw does not get erased when I call invalidate().please provide me the solution.