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<HTML><HEAD><TITLE>Xlib Programming Manual: XDefineCursor</TITLE></HEAD><BODY><H1 ALIGN=center>XDefineCursor</H1><H2>Syntax</H2><!.IN "Window" "defining the cursor"><!.IN "XDefineCursor" "" "@DEF@"><CODE><PRE>XDefineCursor(<B>display</B>, <B>w</B>, <B>cursor</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; Window <B>w</B>; Cursor <B>cursor</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>cursor</B><TD> Specifies the cursor that is to be displayed or<B>None</B>.</TABLE><H2>Description</H2>If a cursor is set, it will be used when the pointer is in the window.If the cursor is<B>None</B>,it is equivalent to<B><A HREF="XUndefineCursor.html">XUndefineCursor()</A></B>.<P><B>XDefineCursor()</B>can generate<B>BadCursor</B>and<B>BadWindow</B>errors.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadCursor</B> <TD>A value for a Cursor argument does not name a defined Cursor.<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="../pixmap-and-cursor/XCreateFontCursor.html">XCreateFontCursor()</A></B>,<B><A HREF="../pixmap-and-cursor/XRecolorCursor.html">XRecolorCursor()</A></B>,<B><A HREF="XUndefineCursor.html">XUndefineCursor()</A></B>,"<A HREF="change-attributes.html">Changing Window Attributes</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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