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<HTML><HEAD><TITLE>Xlib Programming Manual: XSetWindowBackground</TITLE></HEAD><BODY><H1 ALIGN=center>XSetWindowBackground</H1><H2>Syntax</H2><!.IN "XSetWindowBackground" "" "@DEF@"><CODE><PRE>XSetWindowBackground(<B>display</B>, <B>w</B>, <B>background_pixel</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; Window <B>w</B>; unsigned long <B>background_pixel</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>background_pixel</B><TD> Specifies the pixel that is to be used for the background.</TABLE><H2>Description</H2>The<B>XSetWindowBackground()</B>function sets the background of the window to the specified pixel value.Changing the background does not cause the window contents to be changed.<B>XSetWindowBackground()</B>uses a pixmap of undefined size filled with the pixel value you passed.If you try to change the background of an <B><A HREF="create.html#InputClass">InputOnly</A></B>window, a<B>BadMatch</B>error results.<P><B>XSetWindowBackground()</B>can generate<B>BadMatch</B>and<B>BadWindow</B>errors.<P ALIGN=center>Note<BLOCKQUOTE><B>XSetWindowBackground()</B>and<B><A HREF="XSetWindowBackgroundPixmap.html">XSetWindowBackgroundPixmap()</A></B>do not change the current contents of the window.</BLOCKQUOTE><H2>Diagnostics</H2><TABLE><TR><TD><B>BadMatch</B><TD>An<B><A HREF="create.html#InputClass">InputOnly</A></B>window is used as a Drawable.<TR><TD><B>BadMatch</B><TD>Some argument or pair of arguments has the correct type and range but fails to match in some other way required by the request.<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="XChangeWindowAttributes.html">XChangeWindowAttributes()</A></B>,<B><A HREF="XConfigureWindow.html">XConfigureWindow()</A></B>,<B><A HREF="XCreateWindow.html">XCreateWindow()</A></B>,<B><A HREF="XDestroyWindow.html">XDestroyWindow()</A></B>,<B><A HREF="../window-and-session-manager/XInstallColormap.html">XInstallColormap()</A></B>,<B><A HREF="XMapWindow.html">XMapWindow()</A></B>,<B><A HREF="XRaiseWindow.html">XRaiseWindow()</A></B>,<B><A HREF="XSetWindowBackgroundPixmap.html">XSetWindowBackgroundPixmap()</A></B>,<B><A HREF="XSetWindowBorder.html">XSetWindowBorder()</A></B>,<B><A HREF="XSetWindowBorderPixmap.html">XSetWindowBorderPixmap()</A></B>,<B><A HREF="XSetWindowColormap.html">XSetWindowColormap()</A></B>,<B><A HREF="XUnmapWindow.html">XUnmapWindow()</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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