第一章 Getting Started
Qt
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QObject
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|----------------------------|
QApplication QWidget
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|-----------------|-------------------|------------|
QButton QFrame QSlider QSpinBox
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QPushButton QHBox QLabel
SIGNAL()
SLOT()
QObject::connect()
QApplication::setMainWidget(widget)
QApplication::exec()
QWidget::show()
QHBox: setCaption("xxx"),setMargin(6),setSpacing(6)
QSpinBox: setValue(30),setRange(0,130)
QSlider: setRange(0,130);
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