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<HTML><HEAD><TITLE>Xlib Programming Manual: XDeleteProperty</TITLE></HEAD><BODY><H1 ALIGN=center>XDeleteProperty</H1><H2>Syntax</H2><!.IN "Property" "deleting"><!.IN "XDeleteProperty" "" "@DEF@"><CODE><PRE>XDeleteProperty(<B>display</B>, <B>w</B>, <B>property</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; <A HREF="../window/">Window</A> <B>w</B>; <A HREF="properties-and-atoms.html">Atom</A> <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 whose property you want to delete.<TR><TD> <B>property</B><TD> Specifies the property name.</TABLE><H2>Description</H2>The<B>XDeleteProperty()</B>function deletes the specified property only if theproperty was defined on the specified windowand causes the X server to generate a<B><A HREF="../events/PropertyNotify.html">PropertyNotify</A></B>event on the window unless the property does not exist.<P><B>XDeleteProperty()</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="XChangeProperty.html">XChangeProperty()</A></B>,<B><A HREF="XGetWindowProperty.html">XGetWindowProperty()</A></B>,<B><A HREF="XListProperties.html">XListProperties()</A></B>,<B><A HREF="XRotateWindowProperties.html">XRotateWindowProperties()</A></B>,"<A HREF="obtain-properties.html">Obtaining and Changing Window 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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