Microsoft KB Archive/824647

= FIX: A debug assertion occurs when a Windows Forms control is hosted on an MFC form in Visual Studio .NET 2003 =

Article ID: 824647

Article Last Modified on 10/25/2005

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APPLIES TO


 * Microsoft Visual Studio .NET 2003 Enterprise Architect
 * Microsoft Visual Studio .NET 2003 Enterprise Developer
 * Microsoft Visual Studio .NET 2003 Academic Edition
 * Microsoft Foundation Class Library 4.2

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SYMPTOMS
In Microsoft Visual Studio .NET 2003, if a Microsoft Windows Forms control is hosted on a Microsoft Foundation Classes (MFC) form, a debug assertion occurs at line 955 in the Occcount.cpp file. If you ignore this assertion, an access violation error occurs.



RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Visual Studio .NET 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.   Date         Time   Version      Size        File name 17-Jul-2003 23:22                   56,223  Afx.h   31-Jul-2003  00:14                  319,746  Eafxis.lib 31-Jul-2003 00:14                  310,120  Eafxisd.lib 31-Jul-2003 00:58  7.10.3211.0   1,060,864  Mfc71.dll 31-Jul-2003 00:17  7.10.3211.0   2,183,168  Mfc71d.dll 31-Jul-2003 00:50  7.10.3211.0   1,048,064  Mfc71u.dll 31-Jul-2003 00:18  7.10.3211.0   2,177,536  Mfc71ud.dll 31-Jul-2003 00:14               16,909,318  Nafxcw.lib 31-Jul-2003 00:14               17,040,404  Nafxcwd.lib 31-Jul-2003 00:14                  129,138  Nafxis.lib 31-Jul-2003 00:14                  132,454  Nafxisd.lib 17-Jul-2003 23:19                    6,073  Objcore.cpp 18-Jul-2003 00:21                   24,323  Occcont.cpp 31-Jul-2003 00:16               17,208,136  Uafxcw.lib 31-Jul-2003 00:16               17,432,170  Uafxcwd.lib



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.



MORE INFORMATION
For additional information about the terminology that is used to describe Microsoft product updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbbug kbfix kbqfe kbvsnet2003presp1fix kbhotfixserver KB824647

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