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<HTML><HEAD><TITLE>Xlib Programming Manual: XListInstalledColormaps</TITLE></HEAD><BODY><H1 ALIGN=center>XListInstalledColormaps</H1><H2>Syntax</H2><!.IN "XListInstalledColormaps" "" "@DEF@"><CODE><PRE>Colormap *XListInstalledColormaps(<B>display</B>, <B>w</B>, <B>num_return</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; Window <B>w</B>; int *<B>num_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 that determines the screen.<TR><TD> <B>num_return</B><TD> Returns the number of currently installed colormaps.</TABLE><H2>Description</H2>The<B>XListInstalledColormaps()</B>function returns a list of the currently installed colormaps for the screen of the specified window.The order of the colormaps in the list is not significantand is no explicit indication of the required list.When the allocated list is no longer needed,free it by using<B><A HREF="../display/XFree.html">XFree()</A></B>.<P><B>XListInstalledColormaps()</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="../window/XChangeWindowAttributes.html">XChangeWindowAttributes()</A></B>,<B><A HREF="../color/XCreateColormap.html">XCreateColormap()</A></B>,<B><A HREF="../window/XCreateWindow.html">XCreateWindow()</A></B>,<B><A HREF="../display/XFree.html">XFree()</A></B>,<B><A HREF="XInstallColormap.html">XInstallColormap()</A></B>,<B><A HREF="XUninstallColormap.html">XUninstallColormap()</A></B>,"<A HREF="managing-installed-colormap.html">Managing Installed Colormaps</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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