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  4. No matching function for call to 'QObject::connect(QTimer*&, const char*, RArrow*, const char*) (solved)
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No matching function for call to 'QObject::connect(QTimer*&, const char*, RArrow*, const char*) (solved)

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  • H Offline
    H Offline
    houmingc
    wrote on last edited by houmingc
    #1

    I don't seem to able to find the problem. Please help

    public slots:
    void toggleState();

    == RArrow constructor ==
    timer = new QTimer();
    QObject:: connect(timer, SIGNAL(timeout()), this, SLOT(toggleState()));

    void RArrow::toggleState()
    { state = !state;
    }

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    • dheerendraD Offline
      dheerendraD Offline
      dheerendra
      Moderators Qt Champions 2024 Qt Champions 2022 Qt Champions 2017
      wrote on last edited by
      #2

      @houmingc said:

      RArrow

      Is your class RArrow inherited from QObject ? Most probably you missed inheriting it.

      Dheerendra
      @Community Service
      Certified Qt Specialist
      https://www.pthinks.com

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