QGraphicsOpacityEffect *opacityEffect = new QGraphicsOpacityEffect;
opacityEffect->setOpacity(0.5);
setGraphicsEffect(opacityEffect);
QGraphicsOpacityEffect *opacityEffect = new QGraphicsOpacityEffect;
opacityEffect->setOpacity(0.5);
setGraphicsEffect(opacityEffect);
本文标题:QT 给QWidget添加透明效果(包括子控件)
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