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  2. The "Close" button on the title bar is clickable, but the button appears to be unavailable on a computer that is running Windows 7 or Windows Server 2008 R2

The "Close" button on the title bar is clickable, but the button appears to be unavailable on a computer that is running Windows 7 or Windows Server 2008 R2

View products that this article applies to.

Symptoms

You run an application on a computer that is running Windows 7 or Windows Server 2008 R2. This application uses the SC_CLOSE command to control the function of the Close button on the title bar. However, the Close button appears to be unavailable (dimmed) even though the command remains available.

This issue occurs when the following conditions are true:
  • You run the application on a computer that uses an Aero theme.
  • The Close item is first disabled or removed from the System menu. Then, the Close item is restored to the System menu.
In this case, you can click the Close button, but the button appears dimmed.

To reproduce this issue, see the "More information" section.

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Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

There are no prerequisites.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 and Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7600.206612,326,52806-Mar-201005:11x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7600.206613,122,68806-Mar-201005:35x64
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7600.206617,412,73606-Mar-201004:58IA-64

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More information

Sample codes to reproduce this issue

You can use the following code to remove the Close button from the System menu: 
HMENU hMenu = GetSystemMenu(hDlg, FALSE);
DeleteMenu(hMenu, SC_CLOSE, MF_BYCOMMAND);
DrawMenuBar(hDlg);
This disables the Close command, and makes the Close button appear dimmed.

Then, you can use the following code to redraw the System menu and enable the Close button: 
HMENU hMenu = GetSystemMenu(hDlg, TRUE);
DrawMenuBar(hDlg);
This enables the Close command, and you can now click the button to close the window. However, the Close button still appears dimmed.

Reference links

For more information about the GetSystemMenu function, about the DeleteMenu function, and about the DrawMenuBar function, visit the following Microsoft Web sites:
Introduction to the GetSystemMenu function

Introduction to the DeleteMenu function

Introduction to the DrawMenuBar function
For more information about software update terminology, 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

Additional file information

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameX86_be97b27f851c84cc960d839849b92a95_31bf3856ad364e35_6.1.7600.20661_none_a34707b11f746261.manifest
File version
File size694
Date (UTC)08-Mar-2010
Time (UTC)23:10
PlatformNot applicable
File nameX86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20661_none_b9650f2514eb5c0b.manifest
File version
File size42,086
Date (UTC)06-Mar-2010
Time (UTC)10:17
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_ceb0b498853f02c3192f24139635b713_31bf3856ad364e35_6.1.7600.20661_none_626360eb111498a7.manifest
File version
File size698
Date (UTC)08-Mar-2010
Time (UTC)23:10
PlatformNot applicable
File nameAmd64_f916cd81d5ec3f4ded6f804626d49b6a_31bf3856ad364e35_6.1.7600.20661_none_4c8a9cbafc7d795d.manifest
File version
File size698
Date (UTC)08-Mar-2010
Time (UTC)23:10
PlatformNot applicable
File nameAmd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20661_none_1583aaa8cd48cd41.manifest
File version
File size42,090
Date (UTC)08-Mar-2010
Time (UTC)02:12
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20661_none_1fd854fb01a98f3c.manifest
File version
File size4,178
Date (UTC)06-Mar-2010
Time (UTC)10:09
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_780e6c963ebbe30faa9c315c7a6b9462_31bf3856ad364e35_6.1.7600.20661_none_457b8db03978307b.manifest
File version
File size696
Date (UTC)08-Mar-2010
Time (UTC)23:10
PlatformNot applicable
File nameIa64_ceb0b498853f02c3192f24139635b713_31bf3856ad364e35_6.1.7600.20661_none_0646695d58b5306d.manifest
File version
File size697
Date (UTC)08-Mar-2010
Time (UTC)23:10
PlatformNot applicable
File nameIa64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20661_none_b966b31b14e96507.manifest
File version
File size42,088
Date (UTC)06-Mar-2010
Time (UTC)11:15
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20661_none_1fd854fb01a98f3c.manifest
File version
File size4,178
Date (UTC)06-Mar-2010
Time (UTC)10:09
PlatformNot applicable

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Keywords: kbexpertiseadvanced, kbfix, kbhotfixserver, kbqfe, kbautohotfix, kbsurveynew, kbprb, KB981187

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Article Info
Article ID : 981187
Revision : 3
Created on : 4/12/2010
Published on : 4/12/2010
Exists online : False
Views : 482