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    Bug 
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    Resolution: Duplicate
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     Not Evaluated Not Evaluated
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    None
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    5.0.2
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    None
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    Windows 7 x64, VS2010 x64
QDockWidget's title bar disappears when clicked on the undock icon.
When I first move the window (with mouse without clicking the undock icon), it has a title bar. 
Walkaround for me:
ui.dockWidget->setFloating(true);
ui.dockWidget->setFloating(false);
Don't know if it is related to: https://bugreports.qt-project.org/browse/QTBUG-28872
Because I have also the QGLWidget...
- is replaced by
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                    QTBUG-28872 QDockWidget lost its frame and z-ordering when QGLWidget is used at central widget of main window -         
- Closed
 
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