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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

Using a TypeDescriptionProvider to support dynamic run-time properties

by Nish Nishant

This articles explains how to implement a TypeDescriptionProvider for a class to support multiple object types using a single class type

A Project Dependency Graph Utility for Visual Studio 2008

by Marc Clifton

Review your project dependencies.

An extensible ExifReader class with customizable tag handlers

by Nish Nishant

An ExifReader class in C# that supports custom formatting and extraction. StyleCop compliant code, with demos for WPF and Windows Forms.

Latest Articles

Smart Home – Controlling Shelly® Devices (Part 3)

by Ralf Meier

The article walks through ShellySceneComponent and ShellyScenesComponent, which allow users to define scenes with multiple actions assigned to a control or controls for Shelly devices.

Smart Home – Controlling Shelly® Devices (Part 2)

by Ralf Meier

This article is a continuation of a series on controlling Shelly® devices in a smart home. It introduces a component that works with standard controls without requiring adaptation.

.NET Silent ClickOnce Installer for Winform & WPF in C# & VB

by Graeme_Grant

.NET compliant Silent ClickOnce Update Background Worker Service for Winform, WPF & Console in C# & VB

Testable WinForms Applications

by Mirnes Mrkaljevic

Make WinForms testable

All Articles

Windows Forms

[tut 3] Graphics Program using C# Drag & Drop & Delete Objects

7 Apr 2016 by The Zakies

Part 3 of a tutorial to show a graphics program using C# using GDI and SVG drag and drop and delete objects

[tut 6] Line Drag & Drop & Line Selection

20 Jun 2016 by The Zakies

we will build an outline line around the drawn lines so we would test the mouse click on this outline to know which line is selected. and we would in the coming update build a select function inside the move tool

[tut 7] Drag & Drop points in lines

24 Jun 2016 by The Zakies

in this tut we will create a technique to enable the user to control points within a drawn line, by drawing circles around points of the line , when the user clicks a circle he would control the corresponding point.

[tut 8] Hand tool

29 Jun 2016 by The Zakies

we would create Hand_tool to pan through the drawing form, and we would use a custom cursor of open and closed hands

[tut 9] hand tool (part 2) navigator panel

3 Jul 2016 by The Zakies

we will continue the functionality of the hand tool with having a navigator panel which works as a map, we will also have a red rectangle which tells the user where he is actually viewing inside the whole form, also it can be moved to pan the form

[tut4] Draw Lines with Circle and Rectangle End

7 Jun 2016 by The Zakies

[tut4] how to draw lines & to draw different types on end shapes like rectangle and circle using C#

[tut5] form communication,multi tab program, custom cursor for each tool

20 Jun 2016 by The Zakies

Learn how to implement a tecnique of a parent form that createes and controls other forms , through the tecnique of using the tab control, also learn how to implement a menu for the tools, and how to add cutom cursor for each tool

A method to move rows within a DataTable

11 Jan 2012 by agent154

A method to move rows within a DataTable

A method to move rows within a DataTable

13 Jan 2012 by johannesnestler

Nice solution agent154, I'd just suggest to implement it as extension methods for data row: (and I don't liked your "error reporting" with the '0' Value - because '0' could be a valid index). But I have to say, even if you don't have a database behind the datatable you can use sorting (LINQ,...

A Simple Number Entry Textbox

2 Dec 2009 by bobishkindaguy

A simple entry box for various numbers, especially phone numbers.

A Very Simple C# Asynchronous Timed Message Box

9 Feb 2018 by Tony Zackin

A very simple yet customizable pop-up message box which auto-closes after a specified number of milliseconds.

ActiveX in .NET Applications

9 Sep 2015 by Vladyslav Chernysh

The goal of this tip is to share knowledge and experience on ActiveX usage in .NET applications (back-end & front-end).

Adding a File Open dialog to a PropertyGrid control

8 May 2011 by OriginalGriff

The Visual Studio Property pane is a control, which can be used in WinForms like any other, and it provides a simple, easy to use property editor for your classes. However, it is not obvious how to get it to open a browse dialog for a file path property.

Adding Checkbox to a List View Column Header in C# WindowsForm Application

7 Feb 2018 by Santosh Kokatnur

Adding Checkbox to a List View Column Header in C# WindowsForm application

Adding Functionality To .NET Controls

7 Aug 2014 by PIEBALDconsult

This is an alternative for "Adding Functionality To .NET Controls"

Adding Images to a Winforms Project so They are Accessible as Resources

17 Apr 2023 by OriginalGriff

How to add images to a Winforms Project so they are accessible as resources

An error log class to perform WinForms validations

22 Sep 2011 by Armando de la Torre

Use an error log control to validate forms.

Apps Key in DevExpress GridControl

29 Jun 2011 by Alexandros Pappas

Display of a context menu when pressing the Apps key in a DevExpress GridControl

AutoComplete ComboBox Control From Database

26 Aug 2010 by alrosan

Automatically Display Menu on Hover

14 Sep 2011 by #realJSOP

How to automatically display a Winforms menu when the mouse is hovered over an item

Avoiding InvokeRequired

27 Apr 2012 by Igor Pashchuk, MBA

This is an alternative for "C# Pivot Table"

Backup All MySQL Databases in C# WinForm with 1 Click

17 Sep 2018 by adriancs

A tool to backup & restore all MySQL databases in one click

Basic Base64 Encoded Image Viewer

5 Aug 2015 by sreeyush sudhakaran

VB.NET code for Base64 Encoding and Decoding of Image files

Bind ComboBox and Other Controls to DataGridView using STT

25 Mar 2015 by TarikHuber

Use STT (SQL Table Toolkit) to bind WinForm Controls to a DataGridview and to define ComboBox data sources

Binding Enum-Values to a ComboBox

15 Mar 2015 by manchanx

Tidy, generic solution to bind Enums (with or without a DescriptionAttribute) to a ComboBox or other Controls

C# SmartBuilder- A Tool to auto generate Classes (Info,Controller, Provider)

27 Jun 2016 by Ozesh Thapa

Choose your datasource and generate classes

C# Winform Gantt Chart

11 Sep 2015 by pgmr_64804

C# Gantt Chart For Winforms

Centralise a Form on the Current Screen

5 Jul 2016 by _Matt_Wilkinson_

How to centralise a Form when using multiple screens

Change individual DataGridView row colors based on column value

8 Jan 2010 by Harvey Saayman

Below is an example of changing the individual row colors based on one of the DataGridView's columns.While this is not hard to do, the property isn't always where you think it should be, its hidden within the rows DefaultCellStyle property.Here's the example:foreach (DataGridViewRow...

Change individual DataGridView row colors based on column value

8 Jan 2010 by dwilliss

Another way to do something like this is to handle the RowPrePaint event and change the background there. The advantage to doing it this way is that if you have thousands of rows, you don't have to set it for every row at the beginning, which could take a few seconds. This way only sets it for...

Change individual DataGridView row colors based on column value

4 Aug 2011 by Lakhan Aanjana

If cell color is depend on criteriaif (ca.con.State == ConnectionState.Closed) { ca.con.Open(); } string qry = "select * From productmaster "; SqlDataAdapter da = new SqlDataAdapter(qry, ca.con); DataSet ds1 =...

Changing the line spacing in a RichTextBox control

3 Oct 2011 by Manfred Rudolf Bihy

Using SendMessage and the PARAFORMAT structure, one can easily change the line spacing in a RichTextBox control

Checking the EU VAT Number with an German VAT for non German VAT

1 Dec 2014 by TarikHuber

Easy library for checking VAT Numbers of European Companies. Only usable with an German VAT for non German VAT!!!

Collapsible ListView

24 Oct 2018 by Tecfield

Collapsible ListView

ComboBox DataSource AddItem Extension

19 Nov 2015 by B.O.B.

A simple extension to add an item that has a data source bound to combobox.items

ComboBox with Suggestions Based on Loose Character Search

26 May 2014 by Serge Weinstock

A ComboBox whose suggestion list is based on loose character search

Connecting Windows Form Application With ADO.NET in C#

2 Dec 2012 by Bikash Karmokar

Connecting Windows Form Application With ADO.NET in C#

Convert a Windows Form to PDF

6 Oct 2012 by Frans Jan

This article shows how to save a Windows Form to a PDF file.

Convert XML File to Excel File

27 Nov 2017 by Altaf Ansari

Converting XML Data into DataTable and Exporting DataTable into Excel File

Count Number of Unique Colors in an Image

19 Feb 2011 by #realJSOP

Determine the number of unique colors in an image

Count Number of Unique Colors in an Image

19 Feb 2011 by a_pess

I think we may check if the color is repeated or not, any how this another alternative but in VB.NetPublic Shared Function GetImageColorsCount(ByVal bitmap As Bitmap) As Integer Dim ColorList As New System.Collections.Generic.List(Of Integer) Dim clr As Integer For...

Count Number of Unique Colors in an Image

20 Feb 2011 by Andrew Rissing

Just a few minor improvements to readability and such...The catch/throw isn't needed here, since you are just throwing it without doing anything in the catch block. A try/finally could have been used on its own.The try/finally isn't necessary because a using statement can achieve the same...

Counting Unique Products in a DataGridView and Displaying Column Sum

18 Sep 2012 by Raje_

This is a simple demo of how to display the number of unique products from a DataGridView.

Custom Snipping Tool using C# WinForms

6 May 2015 by Acharya Raja Sekhar

This tool helps a lot while capturing more number of snapshots. Example: Developers can use this tool to capture the UTR and save all snaps at the end to a Word document or save as individual images.

DataGridViewGrouper

28 May 2015 by Robert.Verpalen

DataGridViewGrouper: add grouping functionality to the .NET DataGridView

Designing the Layout of Windows Forms using a TableLayoutPanel, with auto-expand panels

16 Nov 2014 by Hassan Mokdad

This is a just a small tip to show a simple way of designing the user interface of Windows Forms for Desktops applications.

TableLayoutPanel

DesignTime adding of Controls to a UserForm on a WinForm

15 Jul 2011 by BillWoodruff

An interesting change in behavior in VS 2010 Pro ?

Determining which TabPage was clicked

7 Jan 2012 by PIEBALDconsult

A binary search technique to determine which TabPage of a TabControl was clicked

Determining which TabPage was clicked

3 Jan 2012 by Lutosław

This method, although it doesn't use binary search, handles Multiline tab pages too.private static intGetTabIndexAt( System.Windows.Forms.TabControl tabControl, System.Drawing.Point point){ int result = -1; if (tabControl != null) { for (int i = 0;...

Disable 'click' sound when accesing WebBrower control

24 Mar 2010 by mdanh2002

Depending on system preferences (in Control Panel/Sounds), the .NET WebBrowser control (just like Internet Explorer) may produce a click sound when changes are made programmatically to its DocumentText property, which is irritating to the user.There are two ways to avoid this:1. Use...

Disable 'click' sound when accesing WebBrower control

20 Dec 2011 by emolina

Public Sub DisableSound() Dim keyValue As String keyValue = "%SystemRoot%\Media\" If Environment.OSVersion.Version.Major = 5 AndAlso Environment.OSVersion.Version.Minor > 0 Then keyValue += "Windows XP Start.wav" ElseIf Environment.OSVersion.Version.Major = 6 Then ...

Disable 'click' sound when accesing WebBrower control

21 Dec 2011 by Member 8208766

To me the second method was problematic. After searching, I found an apparently equally good solution:webBrowser1.DocumentText = text;or in your case:webBrowser1.Document.Write("Hello, world!");from here:...

Disable 'click' sound when accesing WebBrower control

1 Mar 2012 by pipiscrew

nah, try the light one ://at FormLOAD WB.Navigate("about:blank"); //at treeview event private void treeview_AfterSelect(object sender, TreeViewEventArgs e) { WB.Document.Body.InnerHtml = (dR["html"].ToString()); }

Does Your App Know Where it's Running

2 Feb 2011 by #realJSOP

How to determine if your .Net app is running in the Visual Studio IDE

Does Your App Know Where it's Running

3 Feb 2011 by Alan N

I use the following to insert pauses into console apps when they are vs hosted. In fact it's the final lines in my standard template for a console app to ensure that the console stays visible until I dismiss it.if (AppDomain.CurrentDomain.FriendlyName.EndsWith("vshost.exe",...

Draggable WinForms Controls

8 Apr 2011 by intrueder

Extension method to make any WinForms control to be draggable at runtime

Dragging a Borderless Form

12 Jun 2010 by Kristian Sixhøj

A code snippet which makes a borderless form draggable.

Dragging a Borderless Form

12 Jun 2010 by Anshul R

The original snippet I made is in VB.NETProtected Overrides Sub WndProc(ByRef e As Message) MyBase.WndProc(e) If e.Msg = &H84 AndAlso e.Result = &H1 Then e.Result = &H2 End SubI used Reflector to translate it to C#protected override void WndProc(ref Message...

Dragging a Borderless Form

13 Jul 2010 by Dima Popov

A slightly different solution.using System.Runtime.InteropServices;private const int WM_NCLBUTTONDOWN = 0xA1;private const int HTCAPTION = 0x2;[DllImport("User32.dll")]private static extern bool ReleaseCapture();[DllImport("User32.dll")]private static extern int...

Dynamically positioning a form/dialog, whilst also keeping it all on one monitor/screen

25 Aug 2015 by CharlieFoolsTheComputer

Constraining a form/dialog to a single monitor

Enabling and Disabling TaskManager

27 Jun 2011 by charles henington

Enabling and Disabling TaskManager

28 Jun 2011 by George Swan

Couldn't the class RegEdit be replaced by one simple method?private void SetKey(bool enableTaskManager) { using ( var mKey = Registry.CurrentUser.CreateSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System")) {...

Ensure visibility of your windows when switching computerscreens

18 Nov 2010 by ola halvorsen

When going from a multimonitor environment to a single monitor, windows get stuck on the other screens

Ensure visibility of your windows when switching computerscreens

22 Nov 2010 by Pat FitzHenry

If you have a window off-screen, type alt-space, and the letter m. Left click the mouse. Then continually press the left mouse key while scrolling the mouse around until the window comes into view. Click anywhere on screen off the window to drop the window. This should work for programs where...

Ensure visibility of your windows when switching computerscreens

30 Nov 2010 by MartinW1307

I have for years used the follow to fetch a window to a visible screen.1. Right click the window on the taskbar and select 'Move' (or use the keystrokes Alt-Space, M)2. Move the mouse a bit3. Press "left arrow"4. Move the mouse around - you will see the window outline ;) 5. left click...

Ensure visibility of your windows when switching computerscreens

6 Dec 2010 by Luc Schenkeveld

Alternate 3Right click on the taskbar and use "Show Windows Side by Side"

ExHtmlEditor - Express WYSIWYG HTML Visual Editor

14 Aug 2013 by adriancs

A program/application for learning and writing HTML. Get instant visual effect side by side with your code as you type. Support HTML5, Javascript and CSS3 elements.

Extend RichTextBox for Easy Formatted Appending

11 May 2015 by Yvan Rodrigues

A few lines of code to make using the Windows Forms RichTextBox easier to use as a logging window.

Extension method to update controls in a MultiThreaded WinForm application.

18 Jun 2011 by RakeshMeena

This extension can be used to update controls in a thread safe manner. This method requires a MethodInvoker delegate as input parameter. It just checks whether the control is on a different thread than the caller.

multi-threading

Extension method to update controls in a MultiThreaded WinForm application.

21 Jun 2011 by SergeyT2

You can use Action instead of MethodInvoker as well. And ".Invoke" at the method is unnesessary.public static void ThreadSafeCall(this Control control, Action method){ if (control.InvokeRequired) { control.Invoke(method); } else { method(); ...

multi-threading

19 Oct 2015 by charles922

Another way to implement Falling Blocks Game

Filling PDF Form using iText PDF Library

7 Nov 2013 by MayurDighe

This tip describes how to fill the PDF Form Template programmatically

Globalization in WPF

17 Jun 2014 by Vipul Bhatnagar

Create a multilingual application WPF

GuidTextBox

26 Oct 2016 by Midi_Mick

An edit control for the masked input of GUIDs

Hiding the form from alt-tab menu

19 Dec 2010 by tumbledDown2earth

Hiding the form from alt-tab menu

Hiding the form from alt-tab menu

19 Dec 2010 by meaningoflights

Tried it in VB.NET Winforms app, but no luck. It's still shown in the alt-tab menu:Protected Overrides ReadOnly Property CreateParams As System.Windows.Forms.CreateParams Get Dim cp As CreateParams = MyBase.CreateParams cp.ExStyle = cp.ExStyle Or &H80 ...

Hooking Events to Private Members of User Controls

4 Feb 2010 by Gordon Kushner

Say you need capture an event for a control in a User Control and you are not permitted to change the control itself.You can hook into control events, even for private controls with this code://In a Windows Form//Get the private control cboSomePrivateControl from the user control's...

Hosting an Excel Application in an MDI Form

8 Dec 2009 by Your Display Name Here

How to use WebBrowser, a form, and an MDI parent to open Excel files

How Do I Capture the Enter Key in a Windows Forms Combobox

25 Jul 2017 by Sergi Ortiz Gomez

Quick tip for capture ENTER key in a Windows Form combobox

How to apply many Tags for a Control using C#

6 May 2012 by Shahin Khorshidnia

Tag is a useful property, but when you need more than a Tag, what will you plan for it?

How to Create a Dropdown Button Control

10 May 2013 by youssef.obeid

This is to show you how to build a Dropdown button for Windows form

How To Create Rounded Edge Button (or rounded corner button) in Winforms

8 Apr 2015 by basilke7007

How to create rounded edge button (rounded corner button) in Winforms

How to Embed Multiple Icons and Color/Animated Cursors in .NET Executable or DLL Library as Native Win32 Resources using VS2010

4 Apr 2012 by CodeMajster

A detailed tutorial on how to embed multiple icons and color/animated cursors in VS2010 VB project assembly as native win32 resources.

How to handle and use event of simultaneously pressed two or more keys in C# - WASD keyboard game controls -

23 Oct 2016 by Perić Željko

Example of handling multiple key press event

How To Hide Or Show .NET Tabs Programmatically

13 Nov 2011 by KazMaxLtd

This article describes how to hide or show TabControl tabs at runtime

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...

How to Share Data between Two or More Forms in Window Forms Application

6 Mar 2013 by zheng shuo

This tip shows how to share data between two or more forms in a Winforms application.

Implementing Dynamic ToolTips: Preventing SetToolTip stack overflow

17 Feb 2010 by Alan N

Handling the Popup event raised by the System.Windows.Forms.ToolTip component would seem offer an ideal opportunity to alter the tooltip text to reflect an underlying change. Unfortunately the stack overflow caused by calling ToolTip.SetToolTip will soon put a stop to the attempt.The test...

Implementing Dynamic ToolTips: Preventing SetToolTip stack overflow

17 Feb 2010 by William Winner

First, why would you want to change the ToolTip text during the PopUp? Why not hook the MouseHover of the control that you want to change the ToolTip? Dynamically setting the ToolTip does not require hooking the PopUp event.How about: public partial class Form1 : Form { ...

Implementing shortcut keys for toolstrip

21 Aug 2011 by Armando de la Torre

How to activate a toolstrip button via a shortcut key

Implementing shortcut keys for toolstrip

23 Aug 2011 by KenBonny

This is nice for non standard buttons (like a CTRL + s), but OK and Cancel buttons have standard implementations in a Windows Form. Look for the properties AcceptButton and CancelButton of a Windows Form (not sure if this applies in ASP.NET or WPF, I need confirmation on that). There you can...

Interactively Add Multiple Shapes Using Linked Lists GDI+ SVG

3 Mar 2016 by The Zakies

Tutorial 2 (how to interactively add multiple shapes GDI using linked lists)

Liquid Container Control

10 May 2015 by Peer Adi

This is a liquid container control for displaying liquid level in container or tank.

custom-controls

Localized String in Form's resx with Designer Support

26 Apr 2012 by coffee_machine

A component to add localized strings to a Form's res'x.

Make a control's text font bold at runtime in a windows application

8 Nov 2010 by TheDotNetGeek

Code snippet to make a control's text font style to bold dynamically at runtime in a windows application

Make the programs work on a specific windows version

27 Sep 2010 by alrosan

Managing Application Scoped Connection Strings

25 Dec 2011 by Juan Davel

Managing Application Scoped Connection Strings

Manual Scroll Panel in a Panel or UserControl with AutoScroll=false

18 Feb 2011 by harbor

Manual Scroll Panel in a Panel or UserControl with AutoScroll=false

Moveable non-standard shape form

19 Dec 2010 by tumbledDown2earth

Trick for dragging the form while clicking on the client area

Multicast delegates in winform control update

21 Mar 2011 by Nitin Singh India

People wonder how do delegates work and the threading issues associated with multicast ones.