Qt Windows Extras
Qt Windows Extras provide classes and functions that enable you to use miscellaneous Windows-specific functions. For example, you can convert Qt objects to Windows object handles and manipulate DWM glass frames.
In addition, you can use features introduced with Windows 7, such as Aero Peek, Jump Lists, a progress indicator on a taskbar button, or a thumbnail toolbar.
To include the definitions of the module's classes and functions, use the following directive:
To link against the module, add this line to your qmake .pro file:
QT += winextras
Articles and Guides
These are links to the API reference materials.