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How to Launch Web Browser/de
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Den Default-Web-Browser starten
Die Klasse QDesktopServices stellt Funktionalitäten bereit, um allgemeine Desktop-Dienste zu nutzen, wie etwas das Öffnen einer URL im Default-Web-Browser des Benutzers.
Vergessen sie nicht diese Header-Dateien einzubinden:
#include <QDesktopServices>
#include <QUrl>
QDesktopServices::openUrl(QUrl("https://qt.io"));