📄 xesetbeforeflush.html
字号:
<HTML><HEAD><TITLE>Xlib Programming Manual: Extensions: XESetBeforeFlush</TITLE></HEAD><BODY><H1 ALIGN=center>XESetBeforeFlush</H1><H2>Syntax</H2><!.IN "XESetBeforeFlush" "" "@DEF@"><CODE><PRE>int (*XESetBeforeFlush(<B>display</B>, <B>extension</B>, <B>proc</B>))() <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; int <B>extension</B>; int *(*<B>proc</B>)();</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>extension</B><TD> Specifies the extension number.<TR><TD> <B>proc</B><TD> Specifies the procedure to call when a buffer is flushed.</TABLE><H2>Description</H2>The<B>XESetBeforeFlush()</B>function defines a procedure to be called when data is about to besent to the server. When data is about to be sent, your procedure is called one or more times with these arguments:<P><PRE><CODE>void (*<B>proc</B>)(<B>display</B>, <B>codes</B>, <B>data</B>, <B>len</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; <A HREF="hooking-into-xlib.html#XExtCodes">XExtCodes</A> *<B>codes</B>; char *<B>data</B>; long <B>len</B>;</PRE></CODE><P>The <B>data</B> argument specifies a portion of the outgoing data buffer,and its <B>length</B> in bytes is specified by the len argument.Your procedure must not alter the contents of the data, and must notdo additional protocol requests to the same display.<H2>See also</H2><B><A HREF="XESetCloseDisplay.html">XESetCloseDisplay()</A></B>,<B><A HREF="XESetCopyGC.html">XESetCopyGC()</A></B>,<B><A HREF="XESetCreateFont.html">XESetCreateFont()</A></B>,<B><A HREF="XESetCreateGC.html">XESetCreateGC()</A></B>,<B><A HREF="XESetError.html">XESetError()</A></B>,<B><A HREF="XESetErrorString.html">XESetErrorString()</A></B>,<B><A HREF="XESetEventToWire.html">XESetEventToWire()</A></B>,<B><A HREF="XESetFlushGC.html">XESetFlushGC()</A></B>,<B><A HREF="XESetFreeFont.html">XESetFreeFont()</A></B>,<B><A HREF="XESetFreeGC.html">XESetFreeGC()</A></B>,<B><A HREF="XESetPrintErrorValues.html">XESetPrintErrorValues()</A></B>,<B><A HREF="XESetWireToError.html">XESetWireToError()</A></B>,<B><A HREF="XESetWireToEvent.html">XESetWireToEvent()</A></B>,<B><A HREF="_XSetLastRequestRead.html">_XSetLastRequestRead()</A></B>,"<A HREF="hooks-into-the-library.html">Hooks into the Library</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
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -