|qmake:||QT += core|
Timer events are sent at regular intervals to objects that have started one or more timers. Each timer has a unique identifier. A timer is started with QObject::startTimer().
The QTimer class provides a high-level programming interface that uses signals instead of events. It also provides single-shot timers.
The event handler QObject::timerEvent() receives timer events.
Constructs a timer event object with the timer identifier set to timerId.
Returns the unique timer identifier, which is the same identifier as returned from QObject::startTimer().
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