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並前往https://doc.qt.io/QtQuickEnterpriseControls/qtquickenterprisecontrols-enterprise-controls-dashboard-qml-dashboardgaugestyle-qml.html

DashboardGaugeStyle.qml Example File - Qt Documentation

beginPath(); ctx.lineWidth = tickmarkInset; ctx.strokeStyle = "black"; ctx.arc(xCenter, yCenter, outerRadius - ctx.lineWidth / 2, outerRadius - ctx.

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