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<HTML><HEAD><TITLE>Xlib Programming Manual: Event Handling Functions: Handling the Output Buffer</TITLE></HEAD><BODY><H1 ALIGN=center>11.2 Handling the Output Buffer</H1>The output buffer is an area used by Xlib to store requests.The functions described in this section flush the output bufferif the function would block or not return an event.That is, all requests residing in the output buffer thathave not yet been sent are transmitted to the X server.These functions differ in the additional tasks they might perform.<P>To flush the output buffer, use <B><A HREF="XFlush.html">XFlush()</A></B>.<P>To flush the output buffer and then wait until all requests have been processed,use <B><A HREF="XSync.html">XSync()</A></B>.<H5 ALIGN=right><I>Next: <A HREF="event-queue-management.html">Event Queue Management</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>?? 快捷鍵說明
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