WebMar 15, 2013 · this to a QThread, starting with the fact that you can't delete a QObject- derived class from any other thread than its owning thread. You can delete it in a slot called via QueuedConnection or you can queue the deletion by calling deleteLater (). Post by Etienne Sandré-Chardonnal WebQThread provides a high-level application programming interface ( API) to manage threads. This API includes signals, such as .started () and .finished (), that are emitted when the thread starts and finishes. It also includes methods and slots, such as .start (), .wait (), .exit (), .quit (), .isFinished (), and .isRunning ().

QThread - Qt for Python

WebMar 13, 2024 · qt中showevent的用法. showEvent 是 QWidget 类中的一个虚函数，用于在窗口显示之前或之后执行一些操作。. 在 Qt 中，当一个窗口被显示时，会自动调用 showEvent 函数。. 您可以在 showEvent 函数中执行一些初始化操作，例如设置窗口的初始位置、大小、标题等。. 以下是 ... WebUse deleteLater () instead, which will cause the event loop to delete the object after all pending events have been delivered to it. See also deleteLater (). bool QObject:: … pembroke pines food and wine festival

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Web”deleteLater ()“依赖于Qt的event loop机制。 如果在event loop启用前被调用, 那么event loop启用后对象才会被销毁; 如果在event loop结束后被调用, 那么对象不会被销毁; 如果在 … WebNov 15, 2016 · Here, deleteLater () and finished () live in the same thread, therefore, a Qt::DirectConnection will be used. It is crucial that you understand that Qt does not care about the emitting object thread affinity, it looks only at the signal’s “context of execution.” WebMay 12, 2024 · According to Qt document for QObject::deleteLater (): if deleteLater () is called on an object that lives in a thread with no running event loop, the object will be … mechele ford