、、、、、、、、、、、、、、、、、、、、、
QtWaitingSpinner* spinner = new QtWaitingSpinner(this);
spinner->setRoundness(70.0);
spinner->setMinimumTrailOpacity(15.0);
spinner->setTrailFadePercentage(70.0);
spinner->setNumberOfLines(12);
spinner->setLineLength(10);
spinner->setLineWidth(5);
spinner->setInn
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