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XQueue - a non-MFC C++ class to manage an interprocess queue

by Hans Dietrich

XQueue implements a shared-memory first-in first-out (FIFO) queue, based on memory-mapped files, that works on all versions of Windows.

Control Message Bar

by Paul Vickery

Code to add a message bar to virtually any existing Windows control.

XResFile - Files Stored in Resources: Part 2 - Zip Files

by Hans Dietrich

This series of articles is a step-by-step guide to reading files stored in your program's resources. Along the way I will present some non-MFC classes to assist you in reading text, binary, zip, and even encrypted files that have been compiled into your program as resources.

Guide to WIN32 Regions

by Paul M Watt

Guide to understanding how to create and use regions with the WIN32 SDK

Latest Articles

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.

by Ștefan-Mihai MOGA

An alternative Windows version to XML Sitemap online generators

Tile Grid Control

by PJ Arends

An MFC CWnd derived grid of user definable tiles

All Articles

MFC

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).

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

CListCtrl - one of the Blonde classes in MFC

8 Dec 2002 by #realJSOP

Some dialogbox code to give the Blonde a clue

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.

XML Application Profile Class

27 Jan 2007 by #realJSOP

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

Modifying the System Menu

26 Jan 2007 by #realJSOP

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

How to use CMenu class in MFC

21 Jan 2010 by #realJSOP

When I was doing MFC, I just used the designer and drag/dropped a menu control onto the dialog box...

Notification sent from the system to an application when a printer is installed

29 Jan 2010 by #realJSOP

The app should automatically enumerate the printers in the common Print dialog, and will automatically select the default printer. What do you want to monitor?In any event, when new hardware is added to your system, a system-wide event is sent, and you can intercept this event in your...

How to bring CButton contorl to front [solved]

30 Jan 2010 by #realJSOP

The proper way to do it is to enumerate the child controls of the dialog box, find the highest tab order, and set the new button's tab order to the highest tab order you found + 1.However, your problem is that of visibility. Hide the button you don't want to be active, and Show the button...

How to make the dialog inside the resizable property sheet resizable?:mfc

5 Feb 2010 by #realJSOP

I wrote this article[^] nine years ago. It's got the code you need. Asking my any questions about it would be fruitless because I haven't looked at that code since at least 2002, and I'm not doing C++/MFC anymore.

Is it possible creating and killing timer in WM_TIMER

19 Feb 2010 by #realJSOP

If you want to find out what will happen, your best bet is to run the code under the debugger.Beyond that, why are you destroying the timer and then recreating it again? That seems rather pointless to me. What you should be doing (barring the use of multi-threading) is turn the timer OFF...

Zooming image in a button

8 Apr 2010 by #realJSOP

Your button has to be able to detect when the mouse is within it's rectangle. I think I remember it being call mouse capture or something like that. It's been more than three years since I did any C++/MFC.Once the button detects that the mouse has entered its rectangle, you can have the...

Acitvate all controls of SDI GUI

25 Apr 2010 by #realJSOP

After you maximize the app, focus the main window.

How do I change main menu in application dynamically?

29 Apr 2010 by #realJSOP

My experience is that users don't like it when controls (or menu items) appear and disappear while they're using the program. At the very most, they are just barely comfortable with items being disabled, but when things start disappearing/reappearing, they freak out. I'd rethink my interface if...

Exception in MFC dialog message handler

11 May 2010 by #realJSOP

OnSize is called several times during dialog startup. Just check to see if m_txtImageCtrl is null before doing anything with it.

Using BCGControlBar library in VC6, IntelliSense not working

13 May 2010 by #realJSOP

Because Intellisense is VC6 sometimes doesn't work. That's the best I can tell you.

how to set focus back to a window

31 May 2010 by #realJSOP

You could do it in the handler where you handle the list item click event. Just call parent->Focus() or something like that.

Change color of row in CListCtrl

1 Jun 2010 by #realJSOP

You have to derive a new class from CListCtrl, and override the OnPaint() event, drawing the item the way you want to. Keep in mind that you have to handle ALL painting situations when you do this.

Images in Windows standard menu

10 Jun 2010 by #realJSOP

Google this phrase, and sift through over 1.6 million hits (including at least one hit that references a thread here on CodeProject):"c++ icons in menu"I would derive a new class for CMenuItem, and handle the OnPaint method, but it's been three years since I've done any MFC, and they...

How can I turn my console application code into MFC application in VC6.0?

19 Jun 2010 by #realJSOP

Start a new MFC application in Visual Studio, and copy your code into it in the appropriate place(s).

Need help with something in my application

19 Jun 2010 by #realJSOP

Here's what you do (this is a three-year old memory, so you may have to tweak it).0) Put a GroupBox control on your form.1) Put the radio buttons inside the groupbox.2) Set the tab order, starting with the radio buttons, and finishing with the groupnbox.3) Set the first radio...

how to Migrate from MFC VC6 VC++ to WCF .net

20 Jun 2010 by #realJSOP

Actually, the way it should go is that you should create a wcf service, and then port your code to .net while at the same time adding it to the service.Since you're going from C++/MFC, the process is going to probably be completely manual, meaning there's no automatic conversion utility...

MDICascade(MDITILE_SKIPDISABLED)

9 Jul 2010 by #realJSOP

Maybe add event handlers and set a breakpoint in them. Is there a OnWindowCascade event? Are you calling the method on the correct object?You're going to have to get creative to find out why this isn't working. I googled it and drilled down past 200 returned result items and didn't see...

How can I let my application run only three times?

11 Jul 2010 by #realJSOP

Maybe you shouldn't worry about it. Copy protection won't work because if your application is deemed to be important enough, someone somewhere will figure out a way to deactivate anything you might put in the code. However, if you really think your application is worthy of stealing, you...

13 Jul 2010 by #realJSOP

What difference does it make *-why* CObject is the ultimate base class. It simply is, and there's nothing you can do about it.

Unicode support for a control or application

27 Jul 2010 by #realJSOP

It baffles me as to why people don't search google first. This is the first of 382,000 results returned with "MFC and unicode":http://msdn.microsoft.com/en-us/library/wsdfs47e(VS.80).aspx[^]

Declaring array without spescific size

3 Aug 2010 by #realJSOP

You need to read up on collections:http://msdn.microsoft.com/en-us/library/942860sh(VS.80).aspx[^]

BroadcastSystemMessage sends lots of messages to one application

5 Aug 2010 by #realJSOP

You don't want to use BroadcastSystemMessage, because you get ALL system messages. You want to regsiter a message in both apps, and respond only to that message.I would look at this article regarding inter-process communications:Interprocess communication tutorial[^]

GetUserName does not take 2 arguments

15 Aug 2010 by #realJSOP

Well, it's calling the ansi version of the function, and you're using a buffer of type TCHAR. Try changing it to a char type ans see if that works...

how to stop a windows message

25 Aug 2010 by #realJSOP

You have to create a handler that either does or does not do something based on some condition that you set.There's also absolutely no reason to put an angry smiley in your question.

Restricting resizing the dimensions of a Child Window in an MDI application

30 Aug 2010 by #realJSOP

Ad an event handler for the Resize event, and in that handler, do the checks necessary to keep the size to your desired minimum/maximum.

InterProcessCommunication

3 Sep 2010 by #realJSOP

I've used registered messages in the past. Simply post the registered message to the system. To allow messages to be shared, I put them into a LIB file and simply linked it to the applicable applications.You can also setup TCP/IP comms using sockets, named pipes, and shared memory via DLLs,...

How to change Vertical size of a combo box droplist?

3 Sep 2010 by #realJSOP

Instead of changing the size of the combobox, try scaling the image size to fit the available space.

multiple document, multiple template click and run issues

7 Sep 2010 by #realJSOP

Your associations aren't set correctly in Windows 7. Add your file types to the Associations and it should work.

How Can I send a command to CMD.exe ? or write a application like CMD.exe

7 Sep 2010 by #realJSOP

Google "mfc createprocess". You'll get over 1.6 million hits.

error C2872: 'CString' : ambiguous symbol

7 Oct 2010 by #realJSOP

Why do you have this in your code NINE TIMES?#include Also, does myheaderfiles.h also have this line:#include "stdafx.h"

List Box Problem

17 Oct 2010 by #realJSOP

Have you tried manually invalidating the listbox?

Using command line to communicate with a program in C++

28 Oct 2010 by #realJSOP

You can't use the commandline to do that. You could make your program provide a "command window" of it's own that would allow you to have it "do stuff" when you type something in.You could also write another commandline app that you could pass parameters to that would then instruct your...

Change the font of a owner drawn Cbutton

18 Nov 2010 by #realJSOP

You should probably try setting the font in the OnPaint event for the button.

22 Nov 2010 by #realJSOP

Put a timer in the dialog and have it close itself on the timer tick

Modal window should get closed without any input from user

22 Nov 2010 by #realJSOP

Put a timer in the dialog and have it close itself on the timer tick

the application of MFC

29 Nov 2010 by #realJSOP

That's a non-standard use of the left mouse button, and should be avoided. If it were me, I'd provide a button that the user could click, or a context menu for the edit ccontrol that allows themm to paste the text.

Paint Application in MFC

30 Nov 2010 by #realJSOP

Look at the scribble sample project provided by microsoft.

tool tips on toolbar buttons

3 Dec 2010 by #realJSOP

I googled "mfc tooltips", and found this:Custom ToolTips for MFC Projects[^]It might get your started.

MFC - Push Button Background Color

7 Dec 2010 by #realJSOP

The button appearance in MFC is controlled by the current theme running on the underlying OS (or at least it used to be that way a few years ago).If it's still that way, if you want to change a button's appearance, you have derive a new class and override the OnPaint event.

MFC C++ Chat between clients

26 Dec 2010 by #realJSOP

There are a couple of ways you can do this:0) You're going to have to change your app to send an object instead of just text. The new object would probably contain the targeted users name(s) and the text to be sent to them. Then when the server gets the message, it only sends the text to the...

Check how many times the app is started

27 Dec 2010 by #realJSOP

There are a lot of ways you can approach this.0) Put the counter in a data file.1) Put the counter in the registry.2) Put the counter into a DLL file.

How can we convert English language in to Hindi language in MFC and VC++ programming?

30 Dec 2010 by #realJSOP

You either have to do it manually, or you have to find software that can reliably translate it. If your strings aren't in a resource DLL, it's going to be a lot more tedious.

Zoom capability in CRichEditView

31 Dec 2010 by #realJSOP

If you just cave in and use google, you might find an answer faster. I searched for "cricheditview zoom", and found this file:http://www.learnstar.com/AliR/RichEditZoom.zip[^]

catching exit in an mfc application while windows exits

3 Jan 2011 by #realJSOP

You can subscribe to Windows system events. Google is your friend.

Start application when windows starts

5 Jan 2011 by #realJSOP

It's not a coding thing.Just drag the app into your startup folder, and it will start when the user logs in.

make own control in MFC app

7 Jan 2011 by #realJSOP

Try googling the phrase "mfc custom control tutorial". You'll get 101 THOUSAND results.

Paragraph/Formatting mark in MFC

11 Jan 2011 by #realJSOP

You have to parse the RTF document and add the marks yourself. Here's the RTF v1.5 spec (there may be something newer, but I don't know). Google is your friend.http://www.biblioscape.com/rtf15_spec.htm[^]

Execute a program under a different user account.

18 Jan 2011 by #realJSOP

The best I can do is provide a link to the MSDN documentation because your question isn't providing enough information to provide any semblence of a more accurate answer. Instead of posting code, go to this link and READ THE INFORMATION THOROUGHLY. It just indicate might what you're doing...

Top and Bottom indentation in CRichEditView

18 Jan 2011 by #realJSOP

http://msdn.microsoft.com/en-us/library/758fye78(v=vs.90).aspx[^]

Set margin in the view area in CRichEditView

18 Jan 2011 by #realJSOP

This is the third time you've posted the same question. Try using google - that's what we would have to do to find a possible answer for you. If your first instance of this question hasn't been resolved, EDIT IT to say it's still not resolved, and it will be put back at the top of the question...

Error Code 10038

21 Jan 2011 by #realJSOP

Shouldn't it be CSocket server; server.Create(PRE_AGREED_PORT);server.Listen();CSocket client;server.Accept(client);Have you tried using the debugger that comes with Visual Studio? Most of the time, stepping through the code will reveal your actual problem to you.

Page break mark

19 Jan 2011 by #realJSOP

Maybe you should use a CTabView as your main view, and put sub-views into tab pages.

MFC C++ make CStatic control with round edges

27 Jan 2011 by #realJSOP

Go to the CodeProject home page, find the Search Articles label, and specify "CStatic" as your search criteria. You'll get 170 different article references that might help you.

Visual Studio 2010: Old chatter example doesn't work anymore...

31 Jan 2011 by #realJSOP

You're going to have to run both apps under the debugger to see what's happening. I don't see any way you can avoid doing that.

Shell-Extention in C to show or creat new directories in "MY Computer"

8 Feb 2011 by #realJSOP

We don't do homework for people. It's not that we feel like we're superior or anything, it's that you won't learn anything if we do the work for you. Make an effort to do the work yourself, and if you have a specific problem, come back and ask a question about that problem.

How to get windows7 control panel device name

12 Feb 2011 by #realJSOP

I believe you need to use WMI to get that info. Google is your friend.

How to find error in mfc class ...

3 Mar 2011 by #realJSOP

Have you - oh, I don't know - tried the debugger?

Help me please using CDC::SetMapMode(int nMapMode)

17 Mar 2011 by #realJSOP

You're specifying a 120 and 140-point font height. No matter what mapping mode you use, the fonts are going to be huge.

Common calling interface to functions in unrelated classes

17 Mar 2011 by #realJSOP

Whay can't you just do this:public void CallFunction(){ if (pClassA) { pClassA->function(); } else { if (pClassB) { pClassB->function(); } }}This way, you always call the CallFunction method, and it...

how to change the push button colour button colour

17 Mar 2011 by #realJSOP

You have to paint those kinds of controls yourself. The usual way to do this is to create a new class derived from CButton (or CCheckbox), and override the OnPaint command. Don't forget that you have to also paint for ALL states the control can have. There's probably already code out there...

Passing structure as dll function argument

19 Mar 2011 by #realJSOP

I don't think you can mix platforms. Try changing both the app and the dll to either 32-bit or 64-bit and see if it clears up.

Getting CBitmap RGB values

21 Mar 2011 by #realJSOP

Do it a pixel at a time. Be aware that it's always RGB, but depenbding on the color depth of the image, there could be an Alpha bit, so it would be ARGB. You can use the CBitmap.GetPixel() method, or GetDIBits() windows api method. When you google thaose methods, you should be able to eeasily...

MFC SDI File Open Dialog

24 Mar 2011 by #realJSOP

It's been more than four years since I wrote any MFC stuff, but it goes something like this:CString path;if (dlg.DoModal() == IDOK){ path = dlg.GetPathName();}

conversion of a generic text from a EditBox Control into a _bstr_t entity

6 Apr 2011 by #realJSOP

CString str = "The string";_bstr_t bstrTest( str );//or_bstr_t bstrTest = _bstr_t( str );

application for all windows OS

7 Apr 2011 by #realJSOP

Your operating system support should be restricted to XP, Vista, Windows 7, Server 2003-2008. Everything older than those is irrelevant and so obsolete that they make Warren Buffet look like a spring chicken.Further, unless you have a tangible requirement to create 64-bit software, don't...

how to deploy VC 9.0 MFC application for pc that has nothing except OS installed?

14 Apr 2011 by #realJSOP

Create a Setup project in your solution, and it will (by default) include dependency checks for the appropriate versions of MFC and the C Runtime Library. This will force the user to download it if it's not already installed. It would do you good to learn how to use the tools you have on hand.

CWaitCursor is not working for MFC-MDI application

14 Apr 2011 by #realJSOP

In the designer, make all of the controls in the form disabled. In the code, after the data is loaded, enumerate all of the controls on the form, and enable them. Here's an article I wrote that shows how to enumerate controls in a form:Enumerate Controls In a Dialog Box or FormView[^]

How to get the Interface of a specific application?Help!

15 Apr 2011 by #realJSOP

Well, "print screen" does exactly that. Since the window is minimized, there's no presence on the screen, and you get a black image. You probably have to normalize (or maximize) the application in question, "print" the screen, and then return it to its minimized state.

Problem : has exited with code 0 (0x0)

15 Apr 2011 by #realJSOP

Put a try/catch block around the code and run it under the debugger. There's little we can do here without being able to see your code, and besides, you really should have run it under the debugger BEFORE asking us to identify your issue.

MFC concepts behind the scene

5 May 2011 by #realJSOP

It manages the event handlers for the specified MFC object. Google is your friend:google results for search phrase "mfc begin_message_map"[^]

Implementing CView class in DLL.

6 May 2011 by #realJSOP

So, what's your question? Put the classes into a MFC DLL and get on with the task at hand.

check whether email id is correct or not using MFC

12 May 2011 by #realJSOP

There are several regex solutions for validating email addresses. All you need is a little google foo.

RichEdit Control Could Copy And Paste Bitmap

22 May 2011 by #realJSOP

Google reveals all:Search phrase results for "mfc richedit copy paste image"[^]

How to change the background colour of an MFC radio button

7 Jun 2011 by #realJSOP

Don't you want to use CRadioButton instead of CButton?

Migration of VS2003 Project to VS2005

9 Jun 2011 by #realJSOP

VS2005 deprecated a lot of the old C runtime functions and replaced them with "secure" versions. If you're not using any of them, you're gold. If you are using them, fixing the warnings should be a piece of cake. The VS2005 compiler also catches some errors that the earlier ones didn't. Those...

How to set property sheet title

13 Jun 2011 by #realJSOP

The sheet itself doesn't have/need a title. The *pages* do.

Sharing file handles between different process

4 Jul 2011 by #realJSOP

Each process should be responsible for opening ad closing its own files. When the process opens the files, they should open them with non-exclusive read AND write. Sharing open file handles is not recommended.

how to avoid UAC messgae on vista machine using ShellExcute method

7 Jul 2011 by #realJSOP

You can either turn off the UAC, or run the app as admin. I think in order to run the app as admin, you can't use ShellExecute. Instead, create a process and set the appropriate properties to run it as admin.

property sheet in dialog ASSERTATION ERROR

12 Jul 2011 by #realJSOP

It's been a while since I did C++, but I seem to remember that you also have to provide a default constructor:CBibliotekaDlg::CBibliotekaDlg():CDialog(){}

how can I override what files are stored in the Most Recently Used file list

25 Jul 2011 by #realJSOP

This link might be useful[^]

Need idea for Dynamic enum creation

17 Aug 2011 by #realJSOP

You can't dynamically create enums. What you SHOULD do is create a HashSet (do you have a HashSet colleciton in unmanaged C++? I haven't kept up with it since moving to .Net) in of account types that are loaded from the database, and use that instead of an enum.

Conditional operator (==) returning false even the condition is true ?

2 Sep 2011 by #realJSOP

what type is BtnState? If it's not a bool, and it's not set to null (or zero), it will evaluate to true.EDIT ======================0) Are you sure m_pg isn't null?1) Try it this way:CPage* m_pg = ((CPage*)((CGSPropertySheet*)GetParent())->GetParent());if (m_pg){ ...

how to retrieve a value from the cmd

4 Sep 2011 by #realJSOP

On MSDN - ParseCommandLine[^]A very simple google search...

Access my .dll file using Python

9 Sep 2011 by #realJSOP

Google reveals all.A skinned dialog in Python and MFC[^]

infinite loop of headerfile problem

25 Dec 2011 by #realJSOP

That's a circular reference, and you can't do that. Refactor your code.

How to delete sent (unread) MFC mail.

7 Mar 2012 by #realJSOP

I'm not sure you can unless you're using exchange server, and even then, the mail is not recallable once it's been read.