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Windows 7 taskbar won't auto-unhide when wizard-built MFC app is maximized by Sachelis


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Type: Bug
ID: 585121
Opened: 8/10/2010 7:14:06 AM
Access Restriction: Public
User(s) can reproduce this bug


When the Windows 7 taskbar is set to auto-hide and an MFC-wizard created SDI app is maximized (via a mouse click) , the Windows taskbar will no longer unhide when the mouse is moved to the bottom of the screen. (The little, telltale row of pixels indicating that the taskbar is hidden are also not visible.) If you restore the app's window, the taskbar still won't unhide. However, if you change the focus to another window, the telltale row of taskbar pixels reappear and the taskbar will unhide correctly.

This was problem was identified running Windows 7 Professional, version 6.1.7600 Build 7600. The app was built using Visual Studio 2010, version 10.0.30319.1 RTMRel. This problem was duplicated on a second computer.

(This issue was initially reported on the Visual C++ Developer Center Forum. You can read that thread at: http://social.msdn.microsoft.com/Forums/en-US/vcgeneral/thread/3cafd80f-02bf-4dde-a5dd-89e93f64f3a4).
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Posted by Microsoft on 8/17/2010 at 9:41 AM

Thanks for the report. This issue has been fixed in MFC for the next major release of Visual Studio.

Pat Brenner
Visual C++ Libraries Development
Posted by Microsoft on 8/10/2010 at 7:06 PM
Thank you for reporting the issue.
We are routing this issue to the appropriate group within the Visual Studio Product Team for triage and resolution.These specialized experts will follow-up with your issue.
Posted by Microsoft on 8/10/2010 at 6:10 PM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(http://support.microsoft.com)
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File Name Submitted By Submitted On File Size  
AutoHideTaskbarProblem.zip 8/10/2010 153 KB