<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.7"/> <title>glibmm: Glib::SignalProxy3< R, P1, P2, P3 > Class Template Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">glibmm  <span id="projectnumber">2.42.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.7 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespaceGlib.html">Glib</a></li><li class="navelem"><a class="el" href="classGlib_1_1SignalProxy3.html">SignalProxy3</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="#pub-methods">Public Member Functions</a> | <a href="classGlib_1_1SignalProxy3-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">Glib::SignalProxy3< R, P1, P2, P3 > Class Template Reference</div> </div> </div><!--header--> <div class="contents"> <p>Proxy for signals with 3 arguments. <a href="classGlib_1_1SignalProxy3.html#details">More...</a></p> <p><code>#include <glibmm/signalproxy.h></code></p> <div class="dynheader"> Inheritance diagram for Glib::SignalProxy3< R, P1, P2, P3 >:</div> <div class="dyncontent"> <div class="center"><img src="classGlib_1_1SignalProxy3__inherit__graph.png" border="0" usemap="#Glib_1_1SignalProxy3_3_01R_00_01P1_00_01P2_00_01P3_01_4_inherit__map" alt="Inheritance graph"/></div> <map name="Glib_1_1SignalProxy3_3_01R_00_01P1_00_01P2_00_01P3_01_4_inherit__map" id="Glib_1_1SignalProxy3_3_01R_00_01P1_00_01P2_00_01P3_01_4_inherit__map"> <area shape="rect" id="node2" href="classGlib_1_1SignalProxyNormal.html" title="The SignalProxy provides an API similar to sigc::signal that can be used to connect sigc::slots to gl..." alt="" coords="5,80,179,107"/><area shape="rect" id="node3" href="classGlib_1_1SignalProxyBase.html" title="Glib::SignalProxyBase" alt="" coords="12,5,171,32"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:ab5d5438ce6ed3166b6c52d25846c81c8"><td class="memItemLeft" align="right" valign="top">typedef <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a>< R, P1, P2, P3 > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxy3.html#ab5d5438ce6ed3166b6c52d25846c81c8">SlotType</a></td></tr> <tr class="separator:ab5d5438ce6ed3166b6c52d25846c81c8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a42233030672ff6bec3c0dafd2a8466d4"><td class="memItemLeft" align="right" valign="top">typedef <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a>< void, P1, <br class="typebreak" /> P2, P3 > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxy3.html#a42233030672ff6bec3c0dafd2a8466d4">VoidSlotType</a></td></tr> <tr class="separator:a42233030672ff6bec3c0dafd2a8466d4"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a3b4115c9c7c64a716232900dfdcfcde5"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxy3.html#a3b4115c9c7c64a716232900dfdcfcde5">SignalProxy3</a> (<a class="el" href="classGlib_1_1ObjectBase.html">ObjectBase</a>* obj, const SignalProxyInfo* info)</td></tr> <tr class="separator:a3b4115c9c7c64a716232900dfdcfcde5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1787ab4cf55c107e3cf89c76b1f080b5"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxy3.html#a1787ab4cf55c107e3cf89c76b1f080b5">connect</a> (const <a class="el" href="classGlib_1_1SignalProxy3.html#ab5d5438ce6ed3166b6c52d25846c81c8">SlotType</a>& slot, bool after=true)</td></tr> <tr class="memdesc:a1787ab4cf55c107e3cf89c76b1f080b5"><td class="mdescLeft"> </td><td class="mdescRight">Connects a signal handler to a signal. <a href="#a1787ab4cf55c107e3cf89c76b1f080b5">More...</a><br /></td></tr> <tr class="separator:a1787ab4cf55c107e3cf89c76b1f080b5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7c36c3b4bae5eaed0eb6268abab7b247"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxy3.html#a7c36c3b4bae5eaed0eb6268abab7b247">connect_notify</a> (const <a class="el" href="classGlib_1_1SignalProxy3.html#a42233030672ff6bec3c0dafd2a8466d4">VoidSlotType</a>& slot, bool after=false)</td></tr> <tr class="memdesc:a7c36c3b4bae5eaed0eb6268abab7b247"><td class="mdescLeft"> </td><td class="mdescRight">Connects a signal handler without a return value to a signal. <a href="#a7c36c3b4bae5eaed0eb6268abab7b247">More...</a><br /></td></tr> <tr class="separator:a7c36c3b4bae5eaed0eb6268abab7b247"><td class="memSeparator" colspan="2"> </td></tr> <tr class="inherit_header pub_methods_classGlib_1_1SignalProxyNormal"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classGlib_1_1SignalProxyNormal')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classGlib_1_1SignalProxyNormal.html">Glib::SignalProxyNormal</a></td></tr> <tr class="memitem:acb9ee0a3481abefb01456306c640a8c5 inherit pub_methods_classGlib_1_1SignalProxyNormal"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyNormal.html#acb9ee0a3481abefb01456306c640a8c5">~SignalProxyNormal</a> ()</td></tr> <tr class="separator:acb9ee0a3481abefb01456306c640a8c5 inherit pub_methods_classGlib_1_1SignalProxyNormal"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8142f5d5f986aea2ce8bfb22d8d38cf2 inherit pub_methods_classGlib_1_1SignalProxyNormal"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyNormal.html#a8142f5d5f986aea2ce8bfb22d8d38cf2">emission_stop</a> ()</td></tr> <tr class="memdesc:a8142f5d5f986aea2ce8bfb22d8d38cf2 inherit pub_methods_classGlib_1_1SignalProxyNormal"><td class="mdescLeft"> </td><td class="mdescRight">Stops the current signal emission (not in libsigc++) <a href="#a8142f5d5f986aea2ce8bfb22d8d38cf2">More...</a><br /></td></tr> <tr class="separator:a8142f5d5f986aea2ce8bfb22d8d38cf2 inherit pub_methods_classGlib_1_1SignalProxyNormal"><td class="memSeparator" colspan="2"> </td></tr> <tr class="inherit_header pub_methods_classGlib_1_1SignalProxyBase"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classGlib_1_1SignalProxyBase')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classGlib_1_1SignalProxyBase.html">Glib::SignalProxyBase</a></td></tr> <tr class="memitem:af340b9d05531bbf31e50d3b0ec6dec06 inherit pub_methods_classGlib_1_1SignalProxyBase"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyBase.html#af340b9d05531bbf31e50d3b0ec6dec06">SignalProxyBase</a> (<a class="el" href="classGlib_1_1ObjectBase.html">Glib::ObjectBase</a>* obj)</td></tr> <tr class="separator:af340b9d05531bbf31e50d3b0ec6dec06 inherit pub_methods_classGlib_1_1SignalProxyBase"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a> Additional Inherited Members</h2></td></tr> <tr class="inherit_header pro_methods_classGlib_1_1SignalProxyNormal"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classGlib_1_1SignalProxyNormal')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classGlib_1_1SignalProxyNormal.html">Glib::SignalProxyNormal</a></td></tr> <tr class="memitem:a17cc3a55165dfbf0b2681aace390e82c inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyNormal.html#a17cc3a55165dfbf0b2681aace390e82c">SignalProxyNormal</a> (<a class="el" href="classGlib_1_1ObjectBase.html">Glib::ObjectBase</a>* obj, const SignalProxyInfo* info)</td></tr> <tr class="memdesc:a17cc3a55165dfbf0b2681aace390e82c inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="mdescLeft"> </td><td class="mdescRight">Creates a proxy for a signal that can be emitted by <em>obj</em>. <a href="#a17cc3a55165dfbf0b2681aace390e82c">More...</a><br /></td></tr> <tr class="separator:a17cc3a55165dfbf0b2681aace390e82c inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a051e24c3af5f41c269351d49a8d3a1aa inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot__base.html">sigc::slot_base</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyNormal.html#a051e24c3af5f41c269351d49a8d3a1aa">connect_</a> (const <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot__base.html">sigc::slot_base</a>& slot, bool after)</td></tr> <tr class="memdesc:a051e24c3af5f41c269351d49a8d3a1aa inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="mdescLeft"> </td><td class="mdescRight">Connects a generic signal handler to a signal. <a href="#a051e24c3af5f41c269351d49a8d3a1aa">More...</a><br /></td></tr> <tr class="separator:a051e24c3af5f41c269351d49a8d3a1aa inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2b05fbe06539c4fb26e2afc7fb2b8bc6 inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot__base.html">sigc::slot_base</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyNormal.html#a2b05fbe06539c4fb26e2afc7fb2b8bc6">connect_notify_</a> (const <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot__base.html">sigc::slot_base</a>& slot, bool after)</td></tr> <tr class="memdesc:a2b05fbe06539c4fb26e2afc7fb2b8bc6 inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="mdescLeft"> </td><td class="mdescRight">Connects a signal handler without a return value to a signal. <a href="#a2b05fbe06539c4fb26e2afc7fb2b8bc6">More...</a><br /></td></tr> <tr class="separator:a2b05fbe06539c4fb26e2afc7fb2b8bc6 inherit pro_methods_classGlib_1_1SignalProxyNormal"><td class="memSeparator" colspan="2"> </td></tr> <tr class="inherit_header pro_attribs_classGlib_1_1SignalProxyBase"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classGlib_1_1SignalProxyBase')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classGlib_1_1SignalProxyBase.html">Glib::SignalProxyBase</a></td></tr> <tr class="memitem:af0a2ac9d830f483801c24d551e1eb57c inherit pro_attribs_classGlib_1_1SignalProxyBase"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGlib_1_1ObjectBase.html">ObjectBase</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1SignalProxyBase.html#af0a2ac9d830f483801c24d551e1eb57c">obj_</a></td></tr> <tr class="separator:af0a2ac9d830f483801c24d551e1eb57c inherit pro_attribs_classGlib_1_1SignalProxyBase"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><h3>template<class R, class P1, class P2, class P3><br /> class Glib::SignalProxy3< R, P1, P2, P3 ></h3> <p>Proxy for signals with 3 arguments. </p> <p>Use the <a class="el" href="classGlib_1_1SignalProxy3.html#a1787ab4cf55c107e3cf89c76b1f080b5" title="Connects a signal handler to a signal. ">connect()</a> or <a class="el" href="classGlib_1_1SignalProxy3.html#a7c36c3b4bae5eaed0eb6268abab7b247" title="Connects a signal handler without a return value to a signal. ">connect_notify()</a> method, with <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__mem__fun.html#gadf6b6d22c503b439019f0a2e77352419">sigc::mem_fun()</a> or <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__ptr__fun.html#ga9c80de72f656fb05e81fda622dddc863">sigc::ptr_fun()</a> to connect signal handlers to signals. </p> </div><h2 class="groupheader">Member Typedef Documentation</h2> <a class="anchor" id="ab5d5438ce6ed3166b6c52d25846c81c8"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template <class R , class P1 , class P2 , class P3 > </div> <table class="memname"> <tr> <td class="memname">typedef <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a><R,P1,P2,P3> <a class="el" href="classGlib_1_1SignalProxy3.html">Glib::SignalProxy3</a>< R, P1, P2, P3 >::<a class="el" href="classGlib_1_1SignalProxy3.html#ab5d5438ce6ed3166b6c52d25846c81c8">SlotType</a></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="a42233030672ff6bec3c0dafd2a8466d4"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template <class R , class P1 , class P2 , class P3 > </div> <table class="memname"> <tr> <td class="memname">typedef <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a><void,P1,P2,P3> <a class="el" href="classGlib_1_1SignalProxy3.html">Glib::SignalProxy3</a>< R, P1, P2, P3 >::<a class="el" href="classGlib_1_1SignalProxy3.html#a42233030672ff6bec3c0dafd2a8466d4">VoidSlotType</a></td> </tr> </table> </div><div class="memdoc"> </div> </div> <h2 class="groupheader">Constructor & Destructor Documentation</h2> <a class="anchor" id="a3b4115c9c7c64a716232900dfdcfcde5"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template <class R , class P1 , class P2 , class P3 > </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classGlib_1_1SignalProxy3.html">Glib::SignalProxy3</a>< R, P1, P2, P3 >::<a class="el" href="classGlib_1_1SignalProxy3.html">SignalProxy3</a> </td> <td>(</td> <td class="paramtype"><a class="el" href="classGlib_1_1ObjectBase.html">ObjectBase</a>* </td> <td class="paramname"><em>obj</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const SignalProxyInfo * </td> <td class="paramname"><em>info</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> </div> </div> <h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a1787ab4cf55c107e3cf89c76b1f080b5"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template <class R , class P1 , class P2 , class P3 > </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a> <a class="el" href="classGlib_1_1SignalProxy3.html">Glib::SignalProxy3</a>< R, P1, P2, P3 >::connect </td> <td>(</td> <td class="paramtype">const <a class="el" href="classGlib_1_1SignalProxy3.html#ab5d5438ce6ed3166b6c52d25846c81c8">SlotType</a>& </td> <td class="paramname"><em>slot</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">bool </td> <td class="paramname"><em>after</em> = <code>true</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Connects a signal handler to a signal. </p> <p>For instance, connect( sigc::mem_fun(*this, &TheClass::on_something) );</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">slot</td><td>The signal handler, usually created with <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__mem__fun.html#gadf6b6d22c503b439019f0a2e77352419">sigc::mem_fun()</a> or <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__ptr__fun.html#ga9c80de72f656fb05e81fda622dddc863">sigc::ptr_fun()</a>. </td></tr> <tr><td class="paramname">after</td><td>Whether this signal handler should be called before or after the default signal handler. </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="a7c36c3b4bae5eaed0eb6268abab7b247"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template <class R , class P1 , class P2 , class P3 > </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a> <a class="el" href="classGlib_1_1SignalProxy3.html">Glib::SignalProxy3</a>< R, P1, P2, P3 >::connect_notify </td> <td>(</td> <td class="paramtype">const <a class="el" href="classGlib_1_1SignalProxy3.html#a42233030672ff6bec3c0dafd2a8466d4">VoidSlotType</a>& </td> <td class="paramname"><em>slot</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">bool </td> <td class="paramname"><em>after</em> = <code>false</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Connects a signal handler without a return value to a signal. </p> <p>By default, the signal handler will be called before the default signal handler.</p> <p>For instance, connect_notify( sigc::mem_fun(*this, &TheClass::on_something) );</p> <p>If the signal requires signal handlers with a <code>void</code> return type, the only difference between <a class="el" href="classGlib_1_1SignalProxy3.html#a1787ab4cf55c107e3cf89c76b1f080b5" title="Connects a signal handler to a signal. ">connect()</a> and <a class="el" href="classGlib_1_1SignalProxy3.html#a7c36c3b4bae5eaed0eb6268abab7b247" title="Connects a signal handler without a return value to a signal. ">connect_notify()</a> is the default value of <em>after</em>.</p> <p>If the signal requires signal handlers with a return value of type T, <a class="el" href="classGlib_1_1SignalProxy3.html#a7c36c3b4bae5eaed0eb6268abab7b247" title="Connects a signal handler without a return value to a signal. ">connect_notify()</a> binds <code>return T()</code> to the connected signal handler. For instance, if the return type is <code>bool</code>, the following two calls are equivalent. </p><div class="fragment"><div class="line"><a class="code" href="classGlib_1_1SignalProxy3.html#a7c36c3b4bae5eaed0eb6268abab7b247">connect_notify</a>( <a class="codeRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__mem__fun.html#gadf6b6d22c503b439019f0a2e77352419">sigc::mem_fun</a>(*<span class="keyword">this</span>,& TheClass::on_something) );</div> <div class="line"><a class="code" href="classGlib_1_1SignalProxy3.html#a1787ab4cf55c107e3cf89c76b1f080b5">connect</a>( sigc::bind_return<bool>(<a class="codeRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__mem__fun.html#gadf6b6d22c503b439019f0a2e77352419">sigc::mem_fun</a>(*<span class="keyword">this</span>, &TheClass::on_something), <span class="keyword">false</span>), <span class="keyword">false</span> );</div> </div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">slot</td><td>The signal handler, which should have a <code>void</code> return type, usually created with <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__mem__fun.html#gadf6b6d22c503b439019f0a2e77352419">sigc::mem_fun()</a> or <a class="elRef" href="http://library.gnome.org/devel/libsigc++/unstable/group__ptr__fun.html#ga9c80de72f656fb05e81fda622dddc863">sigc::ptr_fun()</a>. </td></tr> <tr><td class="paramname">after</td><td>Whether this signal handler should be called before or after the default signal handler. </td></tr> </table> </dd> </dl> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Mon Sep 22 2014 21:38:33 for glibmm by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.7 </small></address> </body> </html>