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<?xml version="1.0" standalone="no"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="class-gtkbin">
<refnamediv>
<refname>gtk.Bin</refname>
<refpurpose>an abstract base class defining a container with just one
child.</refpurpose>
</refnamediv>
<refsect1>
<title>Synopsis</title>
<classsynopsis language="python">
<ooclass><classname>gtk.Bin</classname></ooclass>
<ooclass><classname><link
linkend="class-gtkcontainer">gtk.Container</link></classname></ooclass>
<methodsynopsis language="python">
<methodname><link
linkend="method-gtkbin--get-child">get_child</link></methodname>
<methodparam></methodparam> </methodsynopsis>
</classsynopsis>
</refsect1>
<refsect1>
<title>Ancestry</title>
<synopsis>+-- <link linkend="class-gobject">gobject.GObject</link>
+-- <link linkend="class-gtkobject">gtk.Object</link>
+-- <link linkend="class-gtkwidget">gtk.Widget</link>
+-- <link linkend="class-gtkcontainer">gtk.Container</link>
+-- <link linkend="class-gtkbin">gtk.Bin</link>
</synopsis>
</refsect1>
<refsect1>
<title>Implemented Interfaces</title>
<para>
<link linkend="class-gtkbin"><classname>gtk.Bin</classname></link>
implements
<link linkend="class-gtkbuildable"><classname>gtk.Buildable</classname></link>
</para>
</refsect1>
<refsect1 id="properties-gtkbin">
<title>gtk.Bin Properties</title>
<para><link linkend="properties-gtkobject">gtk.Object Properties</link></para>
<para><link linkend="properties-gtkwidget">gtk.Widget Properties</link></para>
<para><link linkend="properties-gtkcontainer">gtk.Container Properties</link></para>
</refsect1>
<refsect1 id="style-properties-gtkbin">
<title>gtk.Bin Style Properties</title>
<para><link linkend="style-properties-gtkwidget">gtk.Widget Style Properties</link></para>
</refsect1>
<refsect1 id="signal-prototypes-gtkbin">
<title>gtk.Bin Signal Prototypes</title>
<para><link linkend="signal-prototypes-gobject">gobject.GObject Signal Prototypes</link></para>
<para><link linkend="signal-prototypes-gtkobject">gtk.Object Signal Prototypes</link></para>
<para><link linkend="signal-prototypes-gtkwidget">gtk.Widget Signal Prototypes</link></para>
<para><link linkend="signal-prototypes-gtkcontainer">gtk.Container Signal Prototypes</link></para>
</refsect1>
<refsect1>
<title>Attributes</title>
<blockquote role="properties">
<informaltable pgwide="1" frame="none">
<tgroup cols="3">
<colspec column="1" colwidth="1in"/>
<colspec column="2" colwidth="1in"/>
<colspec column="3" colwidth="4in"/>
<tbody>
<row valign="top">
<entry>"child"</entry>
<entry>Read</entry>
<entry>The child widget or <literal>None</literal> if there
is no child.</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</blockquote>
</refsect1>
<refsect1>
<title>Description</title>
<para><link linkend="class-gtkbin"><classname>gtk.Bin</classname></link>
is an abstract base class defining a widget that is a container with just
one child. It is useful for deriving subclasses, since it provides the
common code needed for handling a single child widget. Many PyGTK widgets
are subclasses of <link
linkend="class-gtkbin"><classname>gtk.Bin</classname></link>, including
<link linkend="class-gtkwindow"><classname>gtk.Window</classname></link>,
<link linkend="class-gtkbutton"><classname>gtk.Button</classname></link>,
<link linkend="class-gtkframe"><classname>gtk.Frame</classname></link>,
<link
linkend="class-gtkhandlebox"><classname>gtk.HandleBox</classname></link>,
and <link
linkend="class-gtkscrolledwindow"><classname>gtk.ScrolledWindow</classname></link>.</para>
</refsect1>
<refsect1>
<title>Methods</title>
<refsect2 id="method-gtkbin--get-child">
<title>gtk.Bin.get_child</title>
<programlisting><methodsynopsis language="python">
<methodname>get_child</methodname>
<methodparam></methodparam> </methodsynopsis></programlisting>
<variablelist>
<varlistentry>
<term><emphasis>Returns</emphasis> :</term>
<listitem><simpara>a reference to the child
widget</simpara></listitem>
</varlistentry>
</variablelist>
<para>The <methodname>get_child</methodname>() method returns a
reference to the child of the bin, or <literal>None</literal> if the bin
contains no child widget.</para>
</refsect2>
</refsect1>
</refentry>
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