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<HTML><HEAD><TITLE>Xlib Programming Manual: Event Queue Management</TITLE></HEAD><BODY><H1 ALIGN=center>11.3 Event Queue Management</H1>Xlib maintains an event queue.However, the operating system also may be buffering data in its network connection that is not yet read into the event queue.<P>To check the number of events in the event queue, use<B><A HREF="XEventsQueued.html">XEventsQueued()</A></B>.<P>To return the number of events that are pending, use <B><A HREF="XPending.html">XPending()</A></B>.<H5 ALIGN=right><I>Next: <A HREF="manipulating-event-queue/">Manipulating the Event Queue</A></I></H5><HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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