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<HTML><HEAD><TITLE>Xlib Programming Manual: XFetchName</TITLE></HEAD><BODY><H1 ALIGN=center>XFetchName</H1><H2>Syntax</H2><!.IN "XFetchName" "" "@DEF@"><CODE><PRE>Status XFetchName(<B>display</B>, <B>w</B>, <B>window_name_return</B>) Display *<B>display</B>; Window <B>w</B>; char **<B>window_name_return</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>window_name_return</B><TD> Returns the window name, which is a null-terminated string.</TABLE><H2>Description</H2>The<B>XFetchName()</B>function returns the name of the specified window.If it succeeds,it returns a nonzero status; otherwise, no name has been set for the window,and it returns zero.If the WM_NAME property has not been set for this window,<B>XFetchName()</B>sets window_name_return to NULL.If the data returned by the server is in the Latin Portable Character Encoding,then the returned string is in the Host Portable Character Encoding.Otherwise, the result is implementation dependent.When finished with it, a client must freethe window name string using<B><A HREF="../../display/XFree.html">XFree()</A></B>.<P><B>XFetchName()</B>can generate a<B>BadWindow</B>error.<H2>Diagnostics</H2><TABLE><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="XGetWMName.html">XGetWMName()</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="XSetWMColormapWindows.html">XSetWMColormapWindows()</A></B>,<B><A HREF="XSetWMIconName.html">XSetWMIconName()</A></B>,<B><A HREF="XSetWMIconName.html">XSetWMIconName()</A></B>,<B><A HREF="XSetWMName.html">XSetWMName()</A></B>,<B><A HREF="XSetWMProperties.html">XSetWMProperties()</A></B>,<B><A HREF="XSetWMProtocols.html">XSetWMProtocols()</A></B>,<B><A HREF="XStoreName.html">XStoreName()</A></B>,<B><A HREF="XStringListToTextProperty.html">XStringListToTextProperty()</A></B>,"<A HREF="text.html">Setting and Reading Text Properties</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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