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<HTML><HEAD><TITLE>Xlib Programming Manual: XNextEvent</TITLE></HEAD><BODY><H1 ALIGN=center>XNextEvent</H1><!.IN "XNextEvent" "" "@DEF@"><H2>Syntax</H2><CODE><PRE>XNextEvent(<B>display</B>, <B>event_return</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; <A HREF="../../events/structures.html#XEvent">XEvent</A> *<B>event_return</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>event_return</B><TD> Returns the next event in the queue.</TABLE>The<B>XNextEvent()</B>function copies the first event from the event queue into the specified<A HREF="../../events/structures.html#XEvent">XEvent</A>structure and then removes it from the queue.If the event queue is empty,<B>XNextEvent()</B>flushes the output buffer and blocks until an event is received.<H2>See also</H2><A HREF="../../events/structures.html#XEvent">XAnyEvent</A>,<B><A HREF="XCheckMaskEvent.html">XCheckMaskEvent()</A></B>,<B><A HREF="XCheckTypedEvent.html">XCheckTypedEvent()</A></B>,<B><A HREF="XCheckTypedWindowEvent.html">XCheckTypedWindowEvent()</A></B>,<B><A HREF="XCheckWindowEvent.html">XCheckWindowEvent()</A></B>,<B><A HREF="XIfEvent.html">XIfEvent()</A></B>,<B><A HREF="XMaskEvent.html">XMaskEvent()</A></B>,<B><A HREF="XPeekEvent.html">XPeekEvent()</A></B>,<B><A HREF="XPutBackEvent.html">XPutBackEvent()</A></B>,<B><A HREF="../XSendEvent.html">XSendEvent()</A></B>,<B><A HREF="XWindowEvent.html">XWindowEvent()</A></B>,"<A HREF="next-event.html">Returning the Next Event</A>"<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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