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Posted 30 Aug 2010

Visual C++ 2010: What’s New for MFC Library?

, 30 Aug 2010
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Visual C++ 2010: What’s new for MFC library?

Some years ago, I thought that MFC will be obsolete, and no new features will be added, but I was wrong. VS2008 added many features and functionalities, and with VS 2010, I discovered new improvements.

So what’s new in MFC 10? To answer this question, I tried to compare the two versions MFC 9 and MFC 10 using CppDepend.

Removed Classes

Let’s begin with breaking changes and search for removed classes:


It was very strange that this class is removed, and to be sure I searched in the code source and I found it inside #ifdef ENABLE_RIBBON_LAUNCH_BUTTON statement.

The only resource I found in the web talking about this change is here, and I don't know if

adding #define ENABLE_RIBBON_LAUNCH_BUTTON is sufficient to compile without problem.

Added Classes


What are the new features added by these classes?

CMFCRibbonCollector, CMFCRibbonConstructor, CMFCRibbonInfo

When I searched in MSDN the utility of these classes, I didn't find any useful information, so I searched for methods using CMFCRibbonInfo.


The RibbonBar class uses CMFCRibbonInfo to save it to XML or load it.


Jump list is a new useful Window7 feature, it adds a new way of interaction between user and application.

Here’s a good article to add JumpList feature with MFC.


This class autosaves documents and restores them if an application unexpectedly exits, it’s used by Restart Manager feature, here’s an interesting article talking about it.

Let’s search for classes used by CDataRecoveryHandler:

SELECT TYPES WHERE IsDirectlyUsedBy “CDataRecoveryHandler“

CDataRecoveryHandler is highly coupled with other MFC classes like CDocument, CWinApp, CWnd.

Which MFC classes use the recovery feature?

SELECT TYPES WHERE IsDirectlyUsing “CDataRecoveryHandler“

So all these classes benefit this new feature especially CDocument.


A pop-up dialog box that functions like a message box but can display additional information to the user.

Here’s an interesting article talking about this feature.


Gives an application the appearance of a VS2008 or Windows 7 application.


Used for touch feature.


CFolderPickerDialog class implements CFileDialog in the folder picker mode.


When I discovered these classes, I thought that is concerning XML parsing but when I searched for methods using them, I discovered that only CMFCRibbonInfo uses them to save or load its description to XML files.


CMFCZoomKernel,CMFCScanliner, CMFCScanlinerBitmap

Not yet documented in MSDN, let’s discover which classes use them.

SELECT TYPES WHERE IsDirectlyUsing “CMFCZoomKernel“

And we have the same result for the two other classes.

SafeInt classes

Extends the integer primitives to help prevent integer overflow and lets you compare different types of integers.

here’s a video about using SafeInt.

Methods Removed


Almost all these methods are not removed but only the signature is changed, and some optional parameters are added. However some methods are removed like CCommandManager::ResetAllImages or CPanelDialog::ClipPaint, and one method was renamed from CMFCRibbonBar::GetTabTrancateRatio to CMFCRibbonBar::GetTabTruncateRatio.

Methods Added

Let’s search for all methods added to MFC10


Which features are added by these new methods?

For that, we will focus only in the most used classes.


Here’s the methods added for CWnd, and almost all methods added concern touch feature and touch gestures.


Many methods of these classes add CAtlTransactionmanager as optional parameter.

Transactional File System is a new technology first introduced in Windows Vista. It enables you to roll back operations made on the file system and registry.

Here’s a good article about this feature.


New possibilities to add item to recent file list are now available.


Here’s the methods added by CDocument:

Two new features concern methods added:

  • Supporting Windows Search with MFC
  • Rich Preview

Let’s discover the changes concerning dependency of CDocument to other MFC classes, and which additional dependencies are added in MFC10, for that Dependency Matrix can be useful, and the sign “+” in the cell representing the dependency indicate that this dependency is new.

So many dependencies are added, especially with new classes added to MFC10 like CDataRecoveryHandler, and also some other inner classes added to CDocument.


Here’s the methods added by CFileDialog:

A good news is that we can now customize CFileDialog by adding what we want in the dialog.


Here are the methods added by CMDIChildWndEx:

Windows7 add a new interesting features like: taskbar Tabs,Taskbar thumbnails and thumbnail previews, and almost all methods added to CMDIChildWndEx concern these features.


Windows 7 also adds some useful features like OverlayIcon and progressbar in the taskbar, and the methods added to CFrameWnd concern these features.


Almost all methods added to CWinApp concern the ApplicationRecovery support.

Other useful methods are added like CMFCControlRenderer::SmoothResize and CDrawingmanager::DrawRotated.

Methods where visibility was changed


Almost the visibility of all CMFCRibbonTab methods is changed from private to public.

But when I checked the code source the only modification in the class declaration is the adding of DECLARE_DYNAMIC(CMFCRibbonTab), this macro include “public:”, so I wonder if this visibility change is only a side effect of adding this macro.

Methods Not Used Anymore

Some methods become obsolete when upgrading framework version, did MFC10 not use anymore some methods?

To answer this question, let’s execute the query:


Here’s the result:

Theses methods was declared before in multimon.h, the origin of this file goes back to Windows 98 to let compatibility with Windows 95 in the case of multi monitor, here’s an interesting article talking about it.

In MFC10, this file is no longer included in mfc files. and MFC10 use directly GetSystemMetrics instead of xGetSystemMetrics.

Filed under: CodeProject


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Issam Lahlali
Software Developer (Senior)
United States United States
CppDepend lead developer.

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Comments and Discussions

GeneralGood Information Pin
thakurbond6-Sep-10 18:27
memberthakurbond6-Sep-10 18:27 
GeneralRe: Good Information Pin
Anant wakode5-May-11 20:25
memberAnant wakode5-May-11 20:25 

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