qmessagebox

How to display icon in QMessageBox?

I have an about box that I'm trying to display an icon inside. Here is my code: QMessageBox about_box(this); about_box.setText("..."); about_box.setIconPixmap(QPixmap("qrc:/images/logo.png")); about_box.setParent(this); about_box.exec(); Here is my resource file: <RCC> <qresource prefix="/images"> <file>logo.png</file>...