<HTML> <HEAD> <!-- Created by texi2html 1.56k + clip patches and <A href="http://www.clip.dia.fi.upm.es/Software">lpdoc</A> from ciao.texi on 28 January 2007 --> <LINK rel="stylesheet" href="ciao.css" type="text/css"> <TITLE>The Ciao Prolog System - checkbutton_class (library)</TITLE> </HEAD> <BODY> Go to the <A HREF="ciao_1.html">first</A>, <A HREF="ciao_131.html">previous</A>, <A HREF="ciao_133.html">next</A>, <A HREF="ciao_241.html">last</A> section, <A HREF="ciao_toc.html">table of contents</A>. <P><HR><P> <H1><A NAME="SEC560" HREF="ciao_toc.html#TOC560">checkbutton_class (library)</A></H1> <P> <A NAME="IDX6376"></A> <P> <STRONG>Author(s):</STRONG> Montserrat Urraca. <P> <STRONG>Version:</STRONG> 1.10#7 (2006/4/26, 19:22:13 CEST) <P> <STRONG>Version of last change:</STRONG> 1.9#125 (2003/12/4, 17:33:7 CET) <UL> <LI><A HREF="ciao_132.html#SEC561">Usage and interface (checkbutton_class)</A> <LI><A HREF="ciao_132.html#SEC562">Documentation on exports (checkbutton_class)</A> </UL> <H2><A NAME="SEC561" HREF="ciao_toc.html#TOC561">Usage and interface (<CODE>checkbutton_class</CODE>)</A></H2> <div class="cartouche"> <UL> <LI><STRONG>Library usage:</STRONG> <CODE>:- use_module(library(checkbutton_class)).</CODE> <LI><STRONG>Exports:</STRONG> <UL> <LI><EM>Predicates:</EM> <A NAME="IDX6377"></A> <CODE>variable_value/1</CODE>. </UL> <LI><STRONG>Other modules used:</STRONG> <UL> <LI><EM>System library modules:</EM> <A NAME="IDX6378"></A> <CODE>objects/objects_rt</CODE>. </UL> </UL> </div class="cartouche"> <H2><A NAME="SEC562" HREF="ciao_toc.html#TOC562">Documentation on exports (<CODE>checkbutton_class</CODE>)</A></H2> <P> <A NAME="IDX6379"></A> <A NAME="IDX6380"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>variable_value/1:</B> <DD><A NAME="IDX6381"></A> <P> <STRONG>Usage 1:</STRONG> <CODE>variable_value(+Variable)</CODE> <UL> <LI><EM>Description:</EM> Sets the value of global <CODE>Variable</CODE> to indicate whether or not this button is selected. <LI><EM>Call and exit should be <EM>compatible</EM> with:</EM> <CODE>+Variable</CODE> is currently instantiated to an atom. (<CODE>term_typing:atom/1</CODE>) </UL> <P> <STRONG>Usage 2:</STRONG> <CODE>variable_value(-Variable)</CODE> <UL> <LI><EM>Description:</EM> Gets the value of global <CODE>Variable</CODE> which indicates if the button is selected. <LI><EM>Call and exit should be <EM>compatible</EM> with:</EM> <CODE>-Variable</CODE> is currently instantiated to an atom. (<CODE>term_typing:atom/1</CODE>) </UL> </DL> <P><HR><P> Go to the <A HREF="ciao_1.html">first</A>, <A HREF="ciao_131.html">previous</A>, <A HREF="ciao_133.html">next</A>, <A HREF="ciao_241.html">last</A> section, <A HREF="ciao_toc.html">table of contents</A>. </BODY> </HTML>
