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<div class="navpath"><a class="el" href="namespaceGtk.html">Gtk</a>::<a class="el" href="classGtk_1_1Socket.html">Socket</a>
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<h1>Gtk::Socket Class Reference<br/>
<small>
[<a class="el" href="group__Widgets.html">Widgets</a>, <a class="el" href="group__Containers.html">Container Widgets</a>]</small>
</h1><!-- doxytag: class="Gtk::Socket" --><!-- doxytag: inherits="Gtk::Container" -->
<p><a class="el" href="classGtk_1_1Container.html" title="Abstract container class.">Container</a> for widgets from other processes. <a href="#_details">More...</a></p>
<p>Inherits <a class="el" href="classGtk_1_1Container.html">Gtk::Container</a>.</p>
<div class="dynheader">
Collaboration diagram for Gtk::Socket:</div>
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<div class="center"><img src="classGtk_1_1Socket__coll__graph.png" border="0" usemap="#Gtk_1_1Socket_coll__map" alt="Collaboration graph"/></div>
<map name="Gtk_1_1Socket_coll__map" id="Gtk_1_1Socket_coll__map">
<area shape="rect" href="classGtk_1_1Container.html" title="Abstract container class." alt="" coords="61,392,165,421"/><area shape="rect" href="classGtk_1_1Widget.html" title="Abstract Widget (Base class for all widgets)." alt="" coords="68,315,159,344"/><area shape="rect" href="classGtk_1_1Object.html" title="Gtk::Object is the base class for all widgets, and for a few non-widget objects such..." alt="" coords="5,237,93,267"/><area shape="rect" href="../../../glibmm-2.4/reference/html/classGlib_1_1Object.html" title="Glib::Object" alt="" coords="5,160,96,189"/><area shape="rect" href="../../../glibmm-2.4/reference/html/classGlib_1_1ObjectBase.html" title="Glib::ObjectBase" alt="" coords="51,83,171,112"/><area shape="rect" href="../../../glibmm-2.4/reference/html/classGlib_1_1Interface.html" title="Glib::Interface" alt="" coords="123,160,227,189"/><area shape="rect" href="../../../libsigc++-2.0/reference/html/structsigc_1_1trackable.html" title="sigc::trackable" alt="" coords="57,5,164,35"/><area shape="rect" href="classAtk_1_1Implementor.html" title="Atk::Implementor" alt="" coords="117,237,237,267"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classGtk_1_1Socket-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#ae969afb32aff0425fbba6c74728525d5">~Socket</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">GtkSocket* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a8db159ba10c1e0af31dcf42a03a4265c">gobj</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GtkObject. <a href="#a8db159ba10c1e0af31dcf42a03a4265c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const GtkSocket* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a94390f29a2553cbb30b5d17ed089b26a">gobj</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GtkObject. <a href="#a94390f29a2553cbb30b5d17ed089b26a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#ae1e8129b8da37b2f7a0c4d70a59307fb">Socket</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a78302d12dea4720a2eb7376151e4e2c2">add_id</a> (<a class="el" href="namespaceGdk.html#abc645cff9ee57146245d4a5b4da7abac">Gdk::NativeWindow</a> window_id)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds an XEMBED client, such as a <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a>, to the <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a>. <a href="#a78302d12dea4720a2eb7376151e4e2c2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceGdk.html#abc645cff9ee57146245d4a5b4da7abac">Gdk::NativeWindow</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a91f8165e6191f4c97d2bc2d4749bbe7a">get_id</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the window ID of a <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> widget, which can then be used to create a client embedded inside the socket, for instance with Gtk::Plug::new(). <a href="#a91f8165e6191f4c97d2bc2d4749bbe7a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a>< <a class="el" href="classGdk_1_1Window.html">Gdk::Window</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a44789a3ac36cc710d5f4630e38bb65e9">get_plug_window</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the window of the plug. <a href="#a44789a3ac36cc710d5f4630e38bb65e9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a>< const <a class="el" href="classGdk_1_1Window.html">Gdk::Window</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a12a63edab85944b08a4ead299803d44e">get_plug_window</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the window of the plug. <a href="#a12a63edab85944b08a4ead299803d44e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< void > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a9aadb73b6a429dc345057f50e7fe2317">signal_plug_added</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#abd64fc5bbf0b383912578c1eca7e2ac8">signal_plug_removed</a> ()</td></tr>
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#afb6fdb1e21c47565510bd57b3d817c59">on_plug_added</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#ae889153786cc66c35b3db61ec857456c">on_plug_removed</a> ()</td></tr>
<tr><td colspan="2"><h2>Related Functions</h2></td></tr>
<tr><td colspan="2"><p>(Note that these are not member functions.) </p>
<br/><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGtk_1_1Socket.html">Gtk::Socket</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Socket.html#a9ad8d2c8cba37b3583cb23dfaa8795de">wrap</a> (GtkSocket* object, bool take_copy=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. <a href="#a9ad8d2c8cba37b3583cb23dfaa8795de"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p><a class="el" href="classGtk_1_1Container.html" title="Abstract container class.">Container</a> for widgets from other processes. </p>
<p>Together with <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a>, <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> provides the ability to embed widgets from one process into another process in a fashion that is transparent to the user. One process creates a <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> widget and, passes the that widget's window ID to the other process, which then creates a <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a> with that window ID. Any widgets contained in the <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a> then will appear inside the first applications window.</p>
<p>The socket's window ID is obtained by using <a class="el" href="classGtk_1_1Socket.html#a91f8165e6191f4c97d2bc2d4749bbe7a" title="Gets the window ID of a Gtk::Socket widget, which can then be used to create a client...">get_id()</a>. Before using this function, the socket must have been realized, and for hence, have been added to its parent.</p>
<div class="fragment"><pre class="fragment"> <a class="code" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> socket;
parent.add(socket);
<span class="comment">// The following call is only necessary if one of the ancestors of the</span>
<span class="comment">// socket is not yet visible</span>
socket.<a class="code" href="classGtk_1_1Widget.html#a3331962a5e38bf2bb107ecc3c8c24f39" title="Creates the GDK (windowing system) resources associated with a widget.">realize</a>();
<a class="codeRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01116.html#aaf93fdf0812752e0e02c501dea1b38f0">cout</a> << <span class="stringliteral">"The ID of the sockets window is: "</span> << socket.<a class="code" href="classGtk_1_1Socket.html#a91f8165e6191f4c97d2bc2d4749bbe7a" title="Gets the window ID of a Gtk::Socket widget, which can then be used to create a client...">get_id</a>() << <a class="codeRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01116.html#a9e2ba1ed9813a1f03adc9a87dbf491a5">endl</a>;
</pre></div><p>Note that if you pass the window ID of the socket to another process that will create a plug in the socket, you must make sure that the socket widget is not destroyed until that plug is created. Violating this rule will cause unpredictable consequences, the most likely consequence being that the plug will appear as a separate toplevel window. You can check if the plug has been created by examining the plug_window member of the GtkSocket structure returned by <a class="el" href="classGtk_1_1Socket.html#a8db159ba10c1e0af31dcf42a03a4265c" title="Provides access to the underlying C GtkObject.">gobj()</a>. If this field is non-NULL, then the plug has been successfully created inside of the socket.</p>
<p>When gtkmm is notified that the embedded window has been destroyed, then it will destroy the socket as well. You should always, therefore, be prepared for your sockets to be destroyed at any time when the main event loop is running.</p>
<p>The communication between a <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> and a <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a> follows the XEmbed protocol. This protocol has also been implemented in other toolkits, e.g. Qt, allowing the same level of integration when embedding a Qt widget in gtkmm or vice versa. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="ae969afb32aff0425fbba6c74728525d5"></a><!-- doxytag: member="Gtk::Socket::~Socket" ref="ae969afb32aff0425fbba6c74728525d5" args="()" -->
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<td class="memname">virtual Gtk::Socket::~Socket </td>
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<td> ) </td>
<td><code> [virtual]</code></td>
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<a class="anchor" id="ae1e8129b8da37b2f7a0c4d70a59307fb"></a><!-- doxytag: member="Gtk::Socket::Socket" ref="ae1e8129b8da37b2f7a0c4d70a59307fb" args="()" -->
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<td class="memname">Gtk::Socket::Socket </td>
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<td> ) </td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a78302d12dea4720a2eb7376151e4e2c2"></a><!-- doxytag: member="Gtk::Socket::add_id" ref="a78302d12dea4720a2eb7376151e4e2c2" args="(Gdk::NativeWindow window_id)" -->
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<td class="memname">void Gtk::Socket::add_id </td>
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<td class="paramtype"><a class="el" href="namespaceGdk.html#abc645cff9ee57146245d4a5b4da7abac">Gdk::NativeWindow</a> </td>
<td class="paramname"> <em>window_id</em></td>
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<p>Adds an XEMBED client, such as a <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a>, to the <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a>. </p>
<p>The client may be in the same process or in a different process.</p>
<p>To embed a <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a> in a <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a>, you can either create the <a class="el" href="classGtk_1_1Plug.html">Gtk::Plug</a> with <literal>gtk_plug_new (0)</literal>, call <a class="el" href="classGtk_1_1Plug.html#abd188811f808309d02681f3f814c107d" title="Gets the window ID of a Gtk::Plug widget, which can then be used to embed this window...">Gtk::Plug::get_id()</a> to get the window ID of the plug, and then pass that to the <a class="el" href="classGtk_1_1Socket.html#a78302d12dea4720a2eb7376151e4e2c2" title="Adds an XEMBED client, such as a Gtk::Plug, to the Gtk::Socket.">add_id()</a>, or you can call <a class="el" href="classGtk_1_1Socket.html#a91f8165e6191f4c97d2bc2d4749bbe7a" title="Gets the window ID of a Gtk::Socket widget, which can then be used to create a client...">get_id()</a> to get the window ID for the socket, and call Gtk::Plug::new() passing in that ID.</p>
<p>The <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> must have already be added into a toplevel window before you can make this call. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>window_id</em> </td><td>The window ID of a client participating in the XEMBED protocol. </td></tr>
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<td class="memname"><a class="el" href="namespaceGdk.html#abc645cff9ee57146245d4a5b4da7abac">Gdk::NativeWindow</a> Gtk::Socket::get_id </td>
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<p>Gets the window ID of a <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> widget, which can then be used to create a client embedded inside the socket, for instance with Gtk::Plug::new(). </p>
<p>The <a class="el" href="classGtk_1_1Socket.html" title="Container for widgets from other processes.">Gtk::Socket</a> must have already be added into a toplevel window before you can make this call. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The window ID for the socket. </dd></dl>
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<a class="anchor" id="a12a63edab85944b08a4ead299803d44e"></a><!-- doxytag: member="Gtk::Socket::get_plug_window" ref="a12a63edab85944b08a4ead299803d44e" args="() const " -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><const <a class="el" href="classGdk_1_1Window.html">Gdk::Window</a>> Gtk::Socket::get_plug_window </td>
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<p>Retrieves the window of the plug. </p>
<p>Use this to check if the plug has been created inside of the socket.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000135">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The window of the plug if available, or <code>0</code>. </dd></dl>
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classGdk_1_1Window.html">Gdk::Window</a>> Gtk::Socket::get_plug_window </td>
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<p>Retrieves the window of the plug. </p>
<p>Use this to check if the plug has been created inside of the socket.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000134">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The window of the plug if available, or <code>0</code>. </dd></dl>
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<a class="anchor" id="a94390f29a2553cbb30b5d17ed089b26a"></a><!-- doxytag: member="Gtk::Socket::gobj" ref="a94390f29a2553cbb30b5d17ed089b26a" args="() const " -->
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<td class="memname">const GtkSocket* Gtk::Socket::gobj </td>
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<p>Provides access to the underlying C GtkObject. </p>
<p>Reimplemented from <a class="el" href="classGtk_1_1Container.html#ab80be58ac27710f10f329120587e7d60">Gtk::Container</a>.</p>
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<a class="anchor" id="a8db159ba10c1e0af31dcf42a03a4265c"></a><!-- doxytag: member="Gtk::Socket::gobj" ref="a8db159ba10c1e0af31dcf42a03a4265c" args="()" -->
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<p>Provides access to the underlying C GtkObject. </p>
<p>Reimplemented from <a class="el" href="classGtk_1_1Container.html#a1b45ff015f4b09b143699bad9d4e423d">Gtk::Container</a>.</p>
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<a class="anchor" id="ae889153786cc66c35b3db61ec857456c"></a><!-- doxytag: member="Gtk::Socket::on_plug_removed" ref="ae889153786cc66c35b3db61ec857456c" args="()" -->
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<td class="memname">virtual bool Gtk::Socket::on_plug_removed </td>
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<td> ) </td>
<td><code> [protected, virtual]</code></td>
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<a class="anchor" id="a9aadb73b6a429dc345057f50e7fe2317"></a><!-- doxytag: member="Gtk::Socket::signal_plug_added" ref="a9aadb73b6a429dc345057f50e7fe2317" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< void > Gtk::Socket::signal_plug_added </td>
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<dl class="user"><dt><b>Prototype:</b></dt><dd><code>void on_my_plug_added()</code> </dd></dl>
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<a class="anchor" id="abd64fc5bbf0b383912578c1eca7e2ac8"></a><!-- doxytag: member="Gtk::Socket::signal_plug_removed" ref="abd64fc5bbf0b383912578c1eca7e2ac8" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< bool > Gtk::Socket::signal_plug_removed </td>
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<dl class="user"><dt><b>Prototype:</b></dt><dd><code>bool on_my_plug_removed()</code> </dd></dl>
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<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="a9ad8d2c8cba37b3583cb23dfaa8795de"></a><!-- doxytag: member="Gtk::Socket::wrap" ref="a9ad8d2c8cba37b3583cb23dfaa8795de" args="(GtkSocket *object, bool take_copy=false)" -->
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<td class="memname"><a class="el" href="classGtk_1_1Socket.html">Gtk::Socket</a>* wrap </td>
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<td class="paramtype">GtkSocket * </td>
<td class="paramname"> <em>object</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"> <em>take_copy</em> = <code>false</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [related]</code></td>
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<p>A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>object</em> </td><td>The C instance. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>take_copy</em> </td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
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<dl class="return"><dt><b>Returns:</b></dt><dd>A C++ instance that wraps this C instance. </dd></dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>gtkmm/socket.h</li>
</ul>
</div>
<hr size="1"/><address style="text-align: right;"><small>Generated on Tue May 4 13:22:02 2010 for gtkmm by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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