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<HTML><HEAD><TITLE>Xlib Programming Manual: XSetClassHint</TITLE></HEAD><BODY><H1 ALIGN=center>XSetClassHint</H1><H2>Syntax</H2><!.IN "XSetClassHint" "" "@DEF@"><CODE><PRE>XSetClassHint(<B>display</B>, <B>w</B>, <B>class_hints</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; Window <B>w</B>; <A HREF="wm-class.html#XClassHint">XClassHint</A> *<B>class_hints</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>w</B><TD> Specifies the window.<TR><TD> <B>class_hints</B><TD> Specifies the<A HREF="wm-class.html#XClassHint">XClassHint</A>structure that is to be used.</TABLE><H2>Description</H2>The<B>XSetClassHint()</B>function sets the class hint for the specified window.If the strings are not in the Host Portable Character Encoding,the result is implementation dependent.<P><B>XSetClassHint()</B>can generate<B>BadAlloc</B>and<B>BadWindow</B>errors. <H2>Diagnostics</H2><TABLE><TR><TD><B>BadAlloc</B><TD> The server failed to allocate the requested source or server memory.<TR><TD><B>BadWindow</B><TD>A value for a Window argument does not name a defined Window.</TABLE><H2>See also</H2><B><A HREF="XAllocClassHint.html">XAllocClassHint()</A></B>,<B><A HREF="XAllocIconSize.html">XAllocIconSize()</A></B>,<B><A HREF="XAllocSizeHints.html">XAllocSizeHints()</A></B>,<B><A HREF="XAllocWMHints.html">XAllocWMHints()</A></B>,<B><A HREF="../../display/XFree.html">XFree()</A></B>,<B><A HREF="XGetClassHint.html">XGetClassHint()</A></B>,<B><A HREF="../client-to-session-manager/XSetCommand.html">XSetCommand()</A></B>,<B><A HREF="XSetTextProperty.html">XSetTextProperty()</A></B>,<B><A HREF="XSetTransientForHint.html">XSetTransientForHint()</A></B>,<B><A HREF="../client-to-session-manager/XSetWMClientMachine.html">XSetWMClientMachine()</A></B>,<B><A HREF="XSetWMColormapWindows.html">XSetWMColormapWindows()</A></B>,<B><A HREF="XSetWMIconName.html">XSetWMIconName()</A></B>,<B><A HREF="XSetWMName.html">XSetWMName()</A></B>,<B><A HREF="XSetWMNormalHints.html">XSetWMNormalHints()</A></B>, <B><A HREF="XSetWMProperties.html">XSetWMProperties()</A></B>,<B><A HREF="XSetWMProtocols.html">XSetWMProtocols()</A></B>,<B><A HREF="XSetWMSizeHints.html">XSetWMSizeHints()</A></B>,<B><A HREF="XStringListToTextProperty.html">XStringListToTextProperty()</A></B>,"<A HREF="wm-class.html">Setting and Reading the WM_CLASS Property</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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