Cannot create children for a parent that is in a different thread. 或者 QObject::startTimer: Timers cannot be started from another thread QTimer定时器不能在不同的线程中启动。 出现这个主要原因是没有很好的将主线程和子线程进行区分。 我们看以下的多线程代码:(在Qt中的多线程) 这个是定义一个类继承...
1. 错误信息含义 QBasicTimer::start: timers cannot be started from another thread 这个错误信息表明你尝试从一个非主线程(即不是创建QBasicTimer对象的线程)中启动QBasicTimer。在Qt中,QBasicTimer(以及许多其他Qt类,特别是那些涉及GUI或事件处理的类)通常被设计为只能在创建它们的线程(通常是主线程或GUI线程)...
1 QObject::startTimer: timers cannot be started from another thread 警告无法再另一个进程中开始定时器。在QTimer的官方文档里,有下面一段话:1 In multithreaded applications, you can use QTimer in any thread that has an event loop. To start an event loop from a non-GUI thread, use QThread...
QObject::startTimer: Timers cannot be started from another thread ——定时器不能被其它线程start。 我们来分析一下: 刚开始只有主线程一个,TestThread的实例是在主线程中创建的,定时器在TestThread的构造函数中,所以也是在主线程中创建的。 当调用TestThread的start()方法时,这时有两个线程。定时器的start()...
qWarning("QObject::startTimer: timers cannot be started from another thread"); return; } ... 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 在Linux平台下: void QEventDispatcherGlib::registerTimer(int timerId, int interval, QObject *object) ...
("QObject::startTimer: Timers can only be used with threads started with QThread");return0;}if(Q_UNLIKELY(thread()!=QThread::currentThread())){qWarning("QObject::startTimer: Timers cannot be started from another thread");return0;}int timerId=d->threadData->eventDispatcher.load()->...
QObject::killTimer: Timers cannot be stopped from another thread QObject::startTimer: Timers can only be used with threads started with QThread 由于某种原因,我在pycharm中运行测试程序时没有得到这些消息,但这表明计时器没有从正确的main thread调用。我知道PyQT5中有一些内置方法可以为计时器添加快捷方式...
在QThread中使用QTimer 2015-09-04 10:23 − 设计界面原型用定时器模拟程序运行,处理数据的程序运行时间很长,并要实时显示进度,需要使用多线程技术。运行程序出现下面的警告: 1 QObject::startTimer: timers cannot be started from another thread ... alleyonine 0 1540 Qt QTimer 2018-11-29 14:03...
System.Threading.Timer: executes a single callback method on a thread pool thread at regular intervals. The callback method is defined when the timer is instantiated and cannot be changed. Like the System.Timers.Timer class, this class is intended for use as a server-based or service componen...
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