- o -

• objectName : QObject
• offset : QPanGesture , QGraphicsDropShadowEffect
• opacity : QGraphicsOpacityEffect , QGraphicsObject
• opacityMask : QGraphicsOpacityEffect
• opaqueResize : QSplitter
• openExternalLinks : QLabel , QTextBrowser
• openLinks : QTextBrowser
• optimizationFlags : QGraphicsView
• options : QPrintDialog , QWizard , QColorDialog , QFileDialog , QFontDialog , QPageSetupDialog
• organizationDomain : QCoreApplication
• organizationName : QCoreApplication
• orientation : QProgressBar , VolumeSlider , QAbstractSlider , QDataWidgetMapper , SeekSlider , QDialogButtonBox , QSplitter
• origin : QGraphicsRotation , QGraphicsScale
• outputDevice : AudioOutput
• overwriteMode : QTextEdit , QPlainTextEdit