mainwindow.qrc Example File
demos/mainwindow/mainwindow.qrc
<!DOCTYPE RCC><RCC version="1.0">
<qresource prefix="/res">
<file>qt.png</file>
<file>titlebarLeft.png</file>
<file>titlebarCenter.png</file>
<file>titlebarRight.png</file>
</qresource>
</RCC>