Qt::QueuedConnection

Qt::QueuedConnection是Qt中的一种连接类型。它表示将信号发送给接收线程，并将其放入接收线程的队列中等待处理，类似于Win32中的PostMessage。这种连接类型可用于在不同的线程中处理信号和槽，确保信号的处理是在接收线程的上下文中进行的。当使用Qt::QueuedConnection时，连接将始终成功，无论之前是否已经存在相同的信号连接到同一对象的同一个槽上。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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