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<HTML><HEAD><TITLE>Xlib Programming Manual: XGetTextProperty</TITLE></HEAD><BODY><H1 ALIGN=center>XGetTextProperty</H1><H2>Syntax</H2><!.IN "XGetTextProperty" "" "@DEF@"><CODE><PRE><B><A HREF="../../introduction/errors.html#Status">Status</A></B> XGetTextProperty(<B>display</B>, <B>w</B>, <B>text_prop_return</B>, <B>property</B>) <A HREF="../../display/opening.html#Display">Display</A> *<B>display</B>; Window <B>w</B>; <A HREF="converting-string-lists.html">XTextProperty</A> *<B>text_prop_return</B>; Atom <B>property</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>text_prop_return</B><TD> Returns the<A HREF="converting-string-lists.html">XTextProperty</A>structure.<TR><TD> <B>property</B><TD> Specifies the property name.</TABLE><H2>Description</H2>The<B>XGetTextProperty()</B>function reads the specified property from the windowand stores the data in the returned<A HREF="converting-string-lists.html">XTextProperty</A>structure.It stores the data in the value field,the type of the data in the encoding field,the format of the data in the format field, and the number of items of data in the nitems field.An extra byte containing null (which is not included in the nitems member) is stored at the end of the value field of text_prop_return.The particular interpretation of the property's encoding and data as text is left to the calling application.If the specified property does not exist on the window,<B>XGetTextProperty()</B>sets the value field to NULL, the encoding field to<B>None</B> , the format field to zero, and the nitems field to zero.<P>If it was able to read and store the data in the<A HREF="converting-string-lists.html">XTextProperty</A>structure,<B>XGetTextProperty()</B>returns a nonzero status; otherwise, it returns a zero status.<P><B>XGetTextProperty()</B>can generate<B>BadAtom</B> and <B>BadWindow</B> errors.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadAtom</B><TD> A value for an Atom argument does not name a defined Atom.<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="../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="XSetWMProperties.html">XSetWMProperties()</A></B>,<B><A HREF="XSetWMProtocols.html">XSetWMProtocols()</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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