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Introduction to D3DImage

by Dr. WPF

.NET 3.5 SP1 is here! It's time to break out your DirectX skills. This article provides the information necessary to get started using a new DirectX interop feature in WPF called D3DImage.

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.

Latest Articles

AWS LocalStack - Installing & Configuring Locally on Windows for SQS

by Bert O Neill

This article explains how to install and configure AWS LocalStack on a Windows machine for SQS (Simple Queue Service).

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.

Reorganize and Rebuild Indexes and Update Statistics

by GabrieleTronchin

A simple stored procedure to add at your database to keep it reactive

Automatic Missing Indexes Creation Statements

by GabrieleTronchin

Automatic creation of non clustered indexes using system SQL entities

All Articles

Windows

Run All Jobs at Once Utility

20 Aug 2009 by "Fish" (David B. Trout)

A command-line tool to run multiple programs in parallel (i.e. concurrently, as a group).

Windows 7 File-properties "Version" Tab Shell Extension

19 Oct 2010 by "Fish" (David B. Trout)

Simple parsing of VS_VERSIONINFO version information strings displayed in an XP-style file-properties "Version" tab

Using CResizablePage In a CFormView

16 Apr 2001 by #realJSOP

Technique for utilizing a CResizablePage in a CFormView-derived class

CResizableFormView

6 Jun 2001 by #realJSOP

Extension of Paolo Messina's CResizableDialog concept

String Parsing Class (supports quoted strings)

14 Mar 2002 by #realJSOP

Parse strings with specified delimiter and specified quote character

Tracking The Mouse In A View

7 May 2001 by #realJSOP

Track a mouse click, even in a scrolled view

Creating a Unique String Using a UUID

12 Dec 2001 by #realJSOP

A small function to either accept or create a UUID* and return a CString

Copying a DIB to the Clipboard

15 Apr 2008 by #realJSOP

Helps with copying a device independant bitmap to the clipboard.

CListCtrl - one of the Blonde classes in MFC

8 Dec 2002 by #realJSOP

Some dialogbox code to give the Blonde a clue

Binary Sorting Into a std::list

9 Dec 2002 by #realJSOP

One technique for performing a binary insertion sort on a std::list

Scrolling Property Page in PocketPC 2002

22 Dec 2003 by #realJSOP

Add a scrollbar to a property page when the SIP is displayed.

Blinking Cells For Chris Maunder's Grid Control

13 May 2005 by #realJSOP

Create blinking cells for Chris Maunder's grid control.

Enumerate Controls In a Dialog Box or FormView

9 Aug 2005 by #realJSOP

Enumerate all controls in a dialog box or form view.

Replacing Part of an Existing Bitmap

28 Jul 2006 by #realJSOP

Copy a bitmap over a portion of another bitmap

Formatting Behavior in COleDateTime for MFC8

3 Aug 2006 by #realJSOP

A passable workaround for the COleDateTime formatting behavior in MFC8.

Keeping It Clean - String Function Wrappers for VS2005

17 Nov 2006 by #realJSOP

A technique for making stdio functions compile clean regardless of the Microsoft compiler used

Debug With Apps Displayed on Secondary Monitor

29 Nov 2006 by #realJSOP

Here's some code that will automatically start your app on a secondary monitor if it's compiled with debug info.

Get Your DLL's Path/Name

30 Nov 2006 by #realJSOP

Two methods to retrieve the path/name of a VS2002 or higher DLL from within that DLL.

Reliable Floating Point Equality Comparison

4 Dec 2006 by #realJSOP

Compare floating point numbers for equality at programmer-specified precision.

XML Application Profile Class

27 Jan 2007 by #realJSOP

Implement XML application profiles that are similar (but not too similar) to using INI files

Using CodeProject - A Day In the Life of an Application - Part 1 of 5

15 Apr 2008 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 2 of 5

15 Apr 2008 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 3 of 5

27 Jan 2007 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 4 of 5

15 Apr 2008 by #realJSOP

The right way to code using CodeProject for occasional support

Using CodeProject - A Day In the Life of an Application - Part 5 of 5

12 Jan 2010 by #realJSOP

The right way to code using CodeProject for occasional support

Modifying the System Menu

26 Jan 2007 by #realJSOP

Add menu items to, and learn how to handle the system menu

Determining The Ideal Text Color Based on Specified Background Color (For VBScript)

7 May 2007 by #realJSOP

The VBScript version of my C# article about the very same thing

Persistent String Parser

21 Dec 2008 by #realJSOP

Parse a string with quoted elements, insert/add/delete elements, and is CLS compliant

CodeProject Article Scraping

11 Dec 2010 by #realJSOP

Scrape the My Articles page here on CodeProject to keep an eye on your articles.

Deploying user-independent configuration/ini files for use with Windows .NET applications

2 Jan 2010 by #realJSOP

This is how I do it:public static System.Environment.SpecialFolder m_specialFolder = Environment.SpecialFolder.CommonApplicationData;

Is it possible to change the string table values in Shell32.dll using c# ?

11 Jan 2010 by #realJSOP

I wouldn't do it because it's a system DLL, and Vista/Weven don't like it when you mess with system DLLs.

Garbage Characters displayed in specified CFont text

17 Jan 2010 by #realJSOP

Don't use MS Shell Dlg for your font. Select a specific font (and I recommend selecting one that comes with a standard Windows install). I use Arial (I like it better than MS San Serif).EDIT =============I don't understand why this was voted a 3. You may not LIKE the answer, but it's...

The Windows API: Learn It - Live It

22 May 2010 by #realJSOP

Don't drink the kool-aid. You still need to know how to use the Windows API in .Net apps.

Windows Service Gotcha (or Test Your Code, Regardless of How Small Your Changes Are)

22 May 2010 by #realJSOP

No change is too small for a complete regression test.

a question about wireless network

25 Jan 2010 by #realJSOP

Try googling your wireless router with this text"TP-LINK 841N" + "intermittent disconnect"It might be a firmware issue, or it might be that your router is inherently flawed.

Problems Installing Windows Server 2008 R2

26 Jan 2010 by #realJSOP

Did you change the bios to allow booting from DVD/removable media?BK> Yes. I'm going to try an mount the Windows 7 Recovery Disk on my flashdrive, boot from that, and then directly run the 2008 setup.exe.

updating app.config wihout building application

27 Jan 2010 by #realJSOP

Yes, it's possible. I would make all the settings in the app.config user settings through.

Buying a server for WCF

27 Jan 2010 by #realJSOP

They need a PDP-11, or maybe a VAX.

Creating an application to take screenshots of windows in Windows Mobile using .NET 2008 and C#

4 Feb 2010 by #realJSOP

Maybe use google? I found this:http://www.dreamincode.net/forums/showtopic34831.htm[^]

task bar notifier question for John O'Byrne

5 Feb 2010 by #realJSOP

This is not an appropriate Quick Answer question. The chance that the person you're trying to contact will even see this is remote at best.

Windows 7 doesn't see my 5 GHz router mode, sees only the 2.4 GHz mode

21 Feb 2010 by #realJSOP

My guess is that you laptop NIC isn't compatible with the 5Ghz band.BTW, you didn't provide the entire model number of the NIC.

wireless profile save problem

14 Mar 2010 by #realJSOP

All you have to do is iterate through the array and create a string that appends one byte at a time formatted as a hex value.

C# Print page borders

15 Mar 2010 by #realJSOP

Each printer has a minimum margin setting. Maybe 10mm smaller than your printer's minumum.I googled "C# printing margins", and found this:http://msdn.microsoft.com/en-us/library/system.drawing.printing.margins.aspx[^]

Help System.Componentmodel.Design.CollectionEditor.CollectionForm

24 Mar 2010 by #realJSOP

You can either 0) Derive a new class from CollectionForm, and subscribe to the button event of the up/down botton1) have the form handle the up/down button and perform the desired action on the CollectionForm object.

Tab malfunction

27 Mar 2010 by #realJSOP

Make sure you've specifically set your tab order on all controls in the form and see if it fixes it.It might be that you've written some code for the control to prevent the tab key from working.

Auto CD copy when we insert CD into cd-rom without showing any message

4 Apr 2010 by #realJSOP

The Quick Answers feature on this web site isn't intended for people to ask for entire entire applications to be written for them. If you need someone to write code for you, hire a programmer.

Host a form from inside a form

10 Apr 2010 by #realJSOP

Just instantiate the child form like you would any other object:MyForm form = new MyForm();form.ShowDlg();[EDIT - Removed unclosed bold tag which was making rest of the page bold]

Windows Service

26 Apr 2010 by #realJSOP

What you should do is have your server listen for client connections (TcpListener), and have each client request the new file. If it exists, respond by sending the contents of the file to the client. If it doesn't exist, send an appropriate response.The important thing to notice here is that...

Can I use Borland C++ Builder 2006 in a 64 bits OS ?

26 Apr 2010 by #realJSOP

I don't see why not. At the very most, you'd have to set compatibility on the executables associated with the compiler, but I doubt you'd even have to do that.I didn't even know Borland was still making compilers...

Data corruption detection in generic app code

26 Apr 2010 by #realJSOP

Well, what are you trying to accomplish? In the code you've posted, as long as pwnd isn't null, you should be good to go. What else are you concerned about?

How can I control an MDI Form from on the click of a button on a dialog box. in Windows Form-C#?

30 Apr 2010 by #realJSOP

Instead of having to go through all the enable/disable stuff, try it this way:http://www.codeproject.com/Tips/53695/Multiple-Subsequent-Main-Forms-in-Csharp-Apps.aspx[^]

How can I decrypt a 16byte (128bit) encrypted string

2 May 2010 by #realJSOP

Unless you know how it was encrypted there's no point in trying to decrypt it.

How to get the main thread ID of a process (known by its ID) ?

3 May 2010 by #realJSOP

So accept the answer (there's a button there for it).

System Troubleshooting Error Tracing using C#

4 May 2010 by #realJSOP

This is - well - impossible. The only way you can resolve the issue is to force the machine to start in safe mode, and you can only really do that as it's booting up.At that point, you can manually examine the various system logs and try to find the issue.In short, writing an app to...

MoveWindow API doesn't work well on Vista

8 May 2010 by #realJSOP

Try the SetWindowPos windows api function (you'll need pinvoke for that), and it looks like it takes many of the same parameters.

Psexec “run as (remote) admin”

12 May 2010 by #realJSOP

Try changing the property of the executable to always run as admin.

How can I read available RAM and CPU load?

23 May 2010 by #realJSOP

Google the phrase "WMI C++". I'm sure you'll come up with a bunch of hits.

popup messages in c#

24 May 2010 by #realJSOP

Send an email. I personally hate popup messages because you usually have to dismiss them before doing anything else.

How to override default wpf button style?

25 May 2010 by #realJSOP

The only thing I can think of is it's because you haven't overridden the ENTIRE style/template. Microsoft has all of the standard templates available as a download, or if you have Expression Blend, you can just create a copy of the template.

Enable/Disable Out of Office in C#

26 May 2010 by #realJSOP

Is it especially troublesome to just do it in Outlook? My advice is that you investigate the Office SDK.

How to post mouse events to a process?

2 Jun 2010 by #realJSOP

First, you need a handle to the target application's main window. This is much easier to achieve if your application launches the target application interally (using the Process object). After you get the window handle, you can send the window any Windows message that you wish.BTW, if...

Get "My Documents" on Windows Vista or 7

9 Jun 2010 by #realJSOP

You're after the Environment.SpecialFolder.MyDocuments enumeration. What do you mean by "redirected"?According to the MSDN page, it should know how to retrieve folders that have been specified by the user.Is it possible for you to try it using .Net 3.5 instead of 2.0?

Hacked WPA encryption

19 Jun 2010 by #realJSOP

If they changed your system password on Windows, your only option is to reformat and reinstall windows from scratch. Period.If they hacked your router, you can usually reset it because most routers have an external method for doing that (like holding a button in for x number of...

XBAP and WCF Service app in same VS solution

27 Jun 2010 by #realJSOP

I know there are limitations involved with using "Express", but I don't know what all of them are. You can get VS2008 Standard for $279 on Amazon. I know for a fact that you don't need to spend the money on Pro to get the features you need.

Changing Console Application to Form Application

27 Jul 2010 by #realJSOP

The "quick" answer is "manually". Create a new project (either dialog based, sdi, or mdi), and manually move your code to it. Believe me when I say this will be the easiest approach.

XPathDocument The proxy name could not be resolved

28 Jul 2010 by #realJSOP

You need to retrieve the xml file with HTTPWebRequest or WebClient before you can parse it.

wpf window

2 Aug 2010 by #realJSOP

Do all of these things:0) Set the HorizontalAlignment and VerticalAlignment properties to Center.1) Remove the Margin property completely2) Set the Width and Height to something that does not exceed the resolution of the monitor.

Final Year Project....

12 Aug 2010 by #realJSOP

I have to submit a project name by this saturday You're running out of time...Challenging & innovative ideas are required How about software that accepts a series of random words that it uses to generate an idea for a studen't final year project.our college is very strict & not...

how to check if a file/exe is already open

18 Aug 2010 by #realJSOP

shiva's answer is almost there. When you try to open the file, use FileShare.None. If the file is already open, attempting to open the file with FileShare.None with throw an exception that you can react to.

C# windows service quoestion

22 Aug 2010 by #realJSOP

You should be putting the data file into the appropriate user-specific folder.

FTP server connection error from windows 7

25 Aug 2010 by #realJSOP

Review this web page:http://msdn.microsoft.com/en-us/library/system.net.ftpwebrequest.aspx[^]

DLL and shared objects

25 Aug 2010 by #realJSOP

Because a DLL isn't a unix format. I think you want to build a .SO file, and for that, you need a unix compiler.

Trail period setup Process

2 Sep 2010 by #realJSOP

You're back. Use google to find a library that does what you want. there are literally dozens of ways to do this, certainly too many for us to list here.Like I said yesterday, it's a waste of time. Anything that can be done with software, can be UNDONE with software.

diffrent sound recorder xp and windows 7

6 Sep 2010 by #realJSOP

Because Windows 7 is - well - different.

Split a word into its letters

14 Sep 2010 by #realJSOP

The letters are already in a collection (what do you think a string is?)

Os Version compatibility with .net frame work and sql server express 2005 installation

16 Sep 2010 by #realJSOP

Well, all of the software you're trying to install or use is compatible with SP2. Since there appears to be a problem, change your minimum requirement o includ XP/SP3 and you're golden.Anyone running XP should be running SP3 anyway.

SQL-Server-2005

How to change icon from bullet to check in CheckMenuRadioItem

16 Sep 2010 by #realJSOP

You have to paint the control yourself. And why on earth would you want to NOT use the frameworks available to you?

Control should not overlap

20 Sep 2010 by #realJSOP

What you're trying to do is not going to be very efficient. As you add a control, you're going to have to check each control already on the form to see if the rectangles intersect, and then every time you move one so it doesn't overlap a given control, you're going to have to make sure that the...

identify keypress

28 Sep 2010 by #realJSOP

Man, I'm really getting tired of saying try google first:http://msdn.microsoft.com/en-us/library/system.windows.forms.control.keypress.aspx[^]

identify keypress

28 Sep 2010 by #realJSOP

Again, google is your friend:http://social.msdn.microsoft.com/Forums/en-US/winforms/thread/451871ac-bc88-4c71-a840-386c21d8125e[^]

4 Oct 2010 by #realJSOP

You can't possibly be serious. Questions and Answers is not meant for this type of "question". It's to ask for help on a specific programming problem you're having.

Create and Share (with a client app) a Random Encryption Key

5 Oct 2010 by #realJSOP

One way to create a completely random encryption key, and sharing it with a client application

How to make Credit/Debit card payment functionality in C# Desktop application

8 Oct 2010 by #realJSOP

Google "c# credit card payment", and revel in the 554 THOUSAND results you get back.You're probably going to have to pick a service and use their API.

List Box Problem

17 Oct 2010 by #realJSOP

Have you tried manually invalidating the listbox?

Cannot Logon to my Server

21 Oct 2010 by #realJSOP

Are you sure you're entering the correct password?You may be able to boot up with a Linux Live CD and modify the password that way. I don't know how you'd do it, but there are probably detailed instructions hidden somewhere in the depths of a google search.

how to pass values between two opened form

22 Nov 2010 by #realJSOP

Why don't you just create a static string value that is global to the app, and use it in both forms...

Enum files : Which is Faster

22 Nov 2010 by #realJSOP

I have an idea. Since you're a programmer, why don't you try both ways and answer your own question?EDIT --------------I would use DirectoryInfo.GetFiles("*.xyz", true); and be done with it. BTW, LINQ is always slower.

Drag 'n Drop & UAC

7 Dec 2010 by #realJSOP

What you could do is change the icon when the object is dragged over an app that's running in admin mode (and your app isn't).

Flickering problem in winforms

20 Dec 2010 by #realJSOP

You want to use double-buffering. Google is your friend.http://stackoverflow.com/questions/76993/how-to-double-buffer-net-controls-on-a-form[^]

Network services

20 Dec 2010 by #realJSOP

Yeah, you can set up a windows service that allows connections via TCP/IP sockets, WCF, or whatever. At that point, you can make the service do anything you want on the remote machine.

regsvr32 error : Access is denied

21 Dec 2010 by #realJSOP

You need admin access to run regsvr32...

Windows folder internal data structure

23 Dec 2010 by #realJSOP

The NTFS File System[^]Google is your friend.

Log in problem in Windows XP

24 Dec 2010 by #realJSOP

Accounts that have been more frequently used tend to take longer to start up. This is caused by a LOT of things, such as desktop icons, populating the All Programs menu, starting services for installed software, loading fonts, etc.You can take steps to clean it up, but it won't help much. ...