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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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 <span id="projectnumber">2.42.0</span>
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<li class="navelem"><a class="el" href="namespaceGlib.html">Glib</a></li><li class="navelem"><a class="el" href="classGlib_1_1ObjectBase.html">ObjectBase</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">Glib::ObjectBase Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p><a class="el" href="classGlib_1_1ObjectBase.html" title="Glib::ObjectBase is a common base class for Objects and Interfaces. ">Glib::ObjectBase</a> is a common base class for Objects and Interfaces.
<a href="classGlib_1_1ObjectBase.html#details">More...</a></p>
<p><code>#include <glibmm/objectbase.h></code></p>
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Inheritance diagram for Glib::ObjectBase:</div>
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<div class="center"><img src="classGlib_1_1ObjectBase__inherit__graph.png" border="0" usemap="#Glib_1_1ObjectBase_inherit__map" alt="Inheritance graph"/></div>
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<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-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aab599d3eec4b4a9ddc95ccdc6100053d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#aab599d3eec4b4a9ddc95ccdc6100053d">set_property_value</a> (const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& property_name, const <a class="el" href="classGlib_1_1ValueBase.html">Glib::ValueBase</a>& value)</td></tr>
<tr class="memdesc:aab599d3eec4b4a9ddc95ccdc6100053d"><td class="mdescLeft"> </td><td class="mdescRight">You probably want to use a specific property_*() accessor method instead. <a href="#aab599d3eec4b4a9ddc95ccdc6100053d">More...</a><br /></td></tr>
<tr class="separator:aab599d3eec4b4a9ddc95ccdc6100053d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5e30750441b92f0246c9d4ece95fc8a0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a5e30750441b92f0246c9d4ece95fc8a0">get_property_value</a> (const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& property_name, <a class="el" href="classGlib_1_1ValueBase.html">Glib::ValueBase</a>& value) const </td></tr>
<tr class="memdesc:a5e30750441b92f0246c9d4ece95fc8a0"><td class="mdescLeft"> </td><td class="mdescRight">You probably want to use a specific property_*() accessor method instead. <a href="#a5e30750441b92f0246c9d4ece95fc8a0">More...</a><br /></td></tr>
<tr class="separator:a5e30750441b92f0246c9d4ece95fc8a0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad37844f7ea2c0091a22d011e04c48820"><td class="memTemplParams" colspan="2">template<class PropertyType > </td></tr>
<tr class="memitem:ad37844f7ea2c0091a22d011e04c48820"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#ad37844f7ea2c0091a22d011e04c48820">set_property</a> (const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& property_name, const PropertyType& value)</td></tr>
<tr class="memdesc:ad37844f7ea2c0091a22d011e04c48820"><td class="mdescLeft"> </td><td class="mdescRight">You probably want to use a specific property_*() accessor method instead. <a href="#ad37844f7ea2c0091a22d011e04c48820">More...</a><br /></td></tr>
<tr class="separator:ad37844f7ea2c0091a22d011e04c48820"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f894c9c36ad391fdc85552af67a8530"><td class="memTemplParams" colspan="2">template<class PropertyType > </td></tr>
<tr class="memitem:a5f894c9c36ad391fdc85552af67a8530"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a5f894c9c36ad391fdc85552af67a8530">get_property</a> (const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& property_name, PropertyType& value) const </td></tr>
<tr class="memdesc:a5f894c9c36ad391fdc85552af67a8530"><td class="mdescLeft"> </td><td class="mdescRight">You probably want to use a specific property_*() accessor method instead. <a href="#a5f894c9c36ad391fdc85552af67a8530">More...</a><br /></td></tr>
<tr class="separator:a5f894c9c36ad391fdc85552af67a8530"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adc6c1e8f094275114d6e2c3ef3a33f98"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#adc6c1e8f094275114d6e2c3ef3a33f98">connect_property_changed</a> (const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& property_name, const <a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a>< void >& slot)</td></tr>
<tr class="memdesc:adc6c1e8f094275114d6e2c3ef3a33f98"><td class="mdescLeft"> </td><td class="mdescRight">You can use the signal_changed() signal of the property proxy instead, but this is necessary when using the reduced API. <a href="#adc6c1e8f094275114d6e2c3ef3a33f98">More...</a><br /></td></tr>
<tr class="separator:adc6c1e8f094275114d6e2c3ef3a33f98"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a896d7773c00bd2dcd310c861282ee8d1"><td class="memItemLeft" align="right" valign="top"><a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" 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_1ObjectBase.html#a896d7773c00bd2dcd310c861282ee8d1">connect_property_changed_with_return</a> (const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& property_name, const <a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a>< void >& slot)</td></tr>
<tr class="memdesc:a896d7773c00bd2dcd310c861282ee8d1"><td class="mdescLeft"> </td><td class="mdescRight">You can use the signal_changed() signal of the property proxy instead, but this is necessary when using the reduced API. <a href="#a896d7773c00bd2dcd310c861282ee8d1">More...</a><br /></td></tr>
<tr class="separator:a896d7773c00bd2dcd310c861282ee8d1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6e9e13b75f116c20212d318204ce8ea3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a6e9e13b75f116c20212d318204ce8ea3">freeze_notify</a> ()</td></tr>
<tr class="memdesc:a6e9e13b75f116c20212d318204ce8ea3"><td class="mdescLeft"> </td><td class="mdescRight">Increases the freeze count on object. <a href="#a6e9e13b75f116c20212d318204ce8ea3">More...</a><br /></td></tr>
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<tr class="memitem:a1bd8ea7bd8c4084ade6b3c27dddf06a4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a1bd8ea7bd8c4084ade6b3c27dddf06a4">thaw_notify</a> ()</td></tr>
<tr class="memdesc:a1bd8ea7bd8c4084ade6b3c27dddf06a4"><td class="mdescLeft"> </td><td class="mdescRight">Reverts the effect of a previous call to <a class="el" href="classGlib_1_1ObjectBase.html#a6e9e13b75f116c20212d318204ce8ea3" title="Increases the freeze count on object. ">freeze_notify()</a>. <a href="#a1bd8ea7bd8c4084ade6b3c27dddf06a4">More...</a><br /></td></tr>
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<tr class="memitem:a896a8a5db20043ea82956e3ef4b9c4ae"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a896a8a5db20043ea82956e3ef4b9c4ae">reference</a> () const </td></tr>
<tr class="memdesc:a896a8a5db20043ea82956e3ef4b9c4ae"><td class="mdescLeft"> </td><td class="mdescRight">Increment the reference count for this object. <a href="#a896a8a5db20043ea82956e3ef4b9c4ae">More...</a><br /></td></tr>
<tr class="separator:a896a8a5db20043ea82956e3ef4b9c4ae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3234b8ffb2a35b927e2978c8f3bfbfe3"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a3234b8ffb2a35b927e2978c8f3bfbfe3">unreference</a> () const </td></tr>
<tr class="memdesc:a3234b8ffb2a35b927e2978c8f3bfbfe3"><td class="mdescLeft"> </td><td class="mdescRight">Decrement the reference count for this object. <a href="#a3234b8ffb2a35b927e2978c8f3bfbfe3">More...</a><br /></td></tr>
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<tr class="memitem:a4c6efc18be8cb9c56e58fc0bd20fafbe"><td class="memItemLeft" align="right" valign="top">GObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a4c6efc18be8cb9c56e58fc0bd20fafbe">gobj</a> ()</td></tr>
<tr class="memdesc:a4c6efc18be8cb9c56e58fc0bd20fafbe"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#a4c6efc18be8cb9c56e58fc0bd20fafbe">More...</a><br /></td></tr>
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<tr class="memitem:a778a94181132976bbfb0519793f3b32e"><td class="memItemLeft" align="right" valign="top">const GObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a778a94181132976bbfb0519793f3b32e">gobj</a> () const </td></tr>
<tr class="memdesc:a778a94181132976bbfb0519793f3b32e"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#a778a94181132976bbfb0519793f3b32e">More...</a><br /></td></tr>
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<tr class="memitem:a9b2a5eb93102f1849e5419016e22a15f"><td class="memItemLeft" align="right" valign="top">GObject* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a9b2a5eb93102f1849e5419016e22a15f">gobj_copy</a> () const </td></tr>
<tr class="memdesc:a9b2a5eb93102f1849e5419016e22a15f"><td class="mdescLeft"> </td><td class="mdescRight">Give a ref-ed copy to someone. Use for direct struct access. <a href="#a9b2a5eb93102f1849e5419016e22a15f">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a27d3451d9ca28d6a2f00838d7c56d545"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a27d3451d9ca28d6a2f00838d7c56d545">ObjectBase</a> ()</td></tr>
<tr class="memdesc:a27d3451d9ca28d6a2f00838d7c56d545"><td class="mdescLeft"> </td><td class="mdescRight">This default constructor is called implicitly from the constructor of user-derived classes, even if, for instance, Gtk::Button calls a different <a class="el" href="classGlib_1_1ObjectBase.html" title="Glib::ObjectBase is a common base class for Objects and Interfaces. ">ObjectBase</a> constructor. <a href="#a27d3451d9ca28d6a2f00838d7c56d545">More...</a><br /></td></tr>
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<tr class="memitem:ad4ef18214894c6874579313ab21d1018"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#ad4ef18214894c6874579313ab21d1018">ObjectBase</a> (const char* custom_type_name)</td></tr>
<tr class="memdesc:ad4ef18214894c6874579313ab21d1018"><td class="mdescLeft"> </td><td class="mdescRight">A derived constructor always overrides this choice. <a href="#ad4ef18214894c6874579313ab21d1018">More...</a><br /></td></tr>
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<tr class="memitem:a3d59b4d85b0ee72a727e6b2e1b31a2ff"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a3d59b4d85b0ee72a727e6b2e1b31a2ff">ObjectBase</a> (const <a class="elRef" doxygen="/opt/gnome/share/mm-common/doctags/libstdc++.tag:http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a00947.html">std::type_info</a>& custom_type_info)</td></tr>
<tr class="memdesc:a3d59b4d85b0ee72a727e6b2e1b31a2ff"><td class="mdescLeft"> </td><td class="mdescRight">This constructor is a special feature to allow creation of derived types on the fly, without having to use g_object_new() manually. <a href="#a3d59b4d85b0ee72a727e6b2e1b31a2ff">More...</a><br /></td></tr>
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<tr class="memitem:a42ac047a06c36c2d9c75f7cffc537dc4"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a42ac047a06c36c2d9c75f7cffc537dc4">~ObjectBase</a> ()=0</td></tr>
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<tr class="memitem:a3faafb14c4f0ca60fbf0f5f5c4d549d0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1ObjectBase.html#a3faafb14c4f0ca60fbf0f5f5c4d549d0">initialize</a> (GObject* castitem)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classGlib_1_1ObjectBase.html" title="Glib::ObjectBase is a common base class for Objects and Interfaces. ">Glib::ObjectBase</a> is a common base class for Objects and Interfaces. </p>
<p>This is used as virtual base class. This means the <a class="el" href="classGlib_1_1ObjectBase.html" title="Glib::ObjectBase is a common base class for Objects and Interfaces. ">ObjectBase</a> constructor runs before all others, either implicitly or explicitly. Each of the available constructors initializes custom_type_name_ in a different way. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<p>This default constructor is called implicitly from the constructor of user-derived classes, even if, for instance, Gtk::Button calls a different <a class="el" href="classGlib_1_1ObjectBase.html" title="Glib::ObjectBase is a common base class for Objects and Interfaces. ">ObjectBase</a> constructor. </p>
<p>This is normal behaviour for C++ virtual inheritance.</p>
<p>The GType name will be gtkmm__anonymous_custom_type. </p>
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<td class="memname">Glib::ObjectBase::ObjectBase </td>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>custom_type_name</em></td><td>)</td>
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<p>A derived constructor always overrides this choice. </p>
<p>The C++ language itself ensures that the constructor is only invoked once.</p>
<p>All classes generated by gtkmmproc use this constructor, with custom_type_name = 0, which essentially means it's not a custom type. This is used to optimize vfunc and signal handler callbacks – since the C++ virtual methods are not overridden, invocation can be skipped.</p>
<p>The GType name will be <em>custom_type_name</em>. </p>
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<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="/opt/gnome/share/mm-common/doctags/libstdc++.tag:http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a00947.html">std::type_info</a> & </td>
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<p>This constructor is a special feature to allow creation of derived types on the fly, without having to use g_object_new() manually. </p>
<p>This feature is sometimes necessary, e.g. to implement a custom Gtk::CellRenderer. The neat trick with the virtual base class ctor makes it possible to reuse the same direct base class' constructor as with non-custom types.</p>
<p>The GType name will be <em>custom_type_info.name()</em>. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void Glib::ObjectBase::connect_property_changed </td>
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<td class="paramtype">const <a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a>< void > & </td>
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<p>You can use the signal_changed() signal of the property proxy instead, but this is necessary when using the reduced API. </p>
<p>See also <a class="el" href="classGlib_1_1ObjectBase.html#a896d7773c00bd2dcd310c861282ee8d1" title="You can use the signal_changed() signal of the property proxy instead, but this is necessary when usi...">connect_property_changed_with_return()</a>. </p>
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<td class="paramtype">const <a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/classsigc_1_1slot.html">sigc::slot</a>< void > & </td>
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<p>You can use the signal_changed() signal of the property proxy instead, but this is necessary when using the reduced API. </p>
<p>This method was added because <a class="el" href="classGlib_1_1ObjectBase.html#adc6c1e8f094275114d6e2c3ef3a33f98" title="You can use the signal_changed() signal of the property proxy instead, but this is necessary when usi...">connect_property_changed()</a> does not return a <a class="elRef" doxygen="/opt/gnome/share/doc/libsigc++-2.0/reference/libsigc++-2.0.tag:http://library.gnome.org/devel/libsigc++/unstable/" href="http://library.gnome.org/devel/libsigc++/unstable/structsigc_1_1connection.html">sigc::connection</a>, and we could not break the ABI by changing that function. </p>
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<p>Increases the freeze count on object. </p>
<p>If the freeze count is non-zero, the emission of "notify" signals on object is stopped. The signals are queued until the freeze count is decreased to zero.</p>
<p>This is necessary for accessors that modify multiple properties to prevent premature notification while the object is still being modified. </p>
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<p>You probably want to use a specific property_*() accessor method instead. </p>
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<p>You probably want to use a specific property_*() accessor method instead. </p>
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<p>Provides access to the underlying C GObject. </p>
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<p>Provides access to the underlying C GObject. </p>
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<p>Give a ref-ed copy to someone. Use for direct struct access. </p>
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<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Increment the reference count for this object. </p>
<p>You should never need to do this manually - use the object via a <a class="el" href="classGlib_1_1RefPtr.html" title="RefPtr<> is a reference-counting shared smartpointer. ">RefPtr</a> instead. </p>
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template <class PropertyType > </div>
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<td class="memname">void Glib::ObjectBase::set_property </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& </td>
<td class="paramname"><em>property_name</em>, </td>
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<td class="paramtype">const PropertyType & </td>
<td class="paramname"><em>value</em> </td>
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<td>)</td>
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<p>You probably want to use a specific property_*() accessor method instead. </p>
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<td class="memname">void Glib::ObjectBase::set_property_value </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classGlib_1_1ustring.html">Glib::ustring</a>& </td>
<td class="paramname"><em>property_name</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const <a class="el" href="classGlib_1_1ValueBase.html">Glib::ValueBase</a>& </td>
<td class="paramname"><em>value</em> </td>
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<td></td>
<td>)</td>
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<p>You probably want to use a specific property_*() accessor method instead. </p>
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<td class="memname">void Glib::ObjectBase::thaw_notify </td>
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<p>Reverts the effect of a previous call to <a class="el" href="classGlib_1_1ObjectBase.html#a6e9e13b75f116c20212d318204ce8ea3" title="Increases the freeze count on object. ">freeze_notify()</a>. </p>
<p>The freeze count is decreased on object and when it reaches zero, all queued "notify" signals are emitted.</p>
<p>It is an error to call this function when the freeze count is zero. </p>
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<td class="memname">virtual void Glib::ObjectBase::unreference </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Decrement the reference count for this object. </p>
<p>You should never need to do this manually - use the object via a <a class="el" href="classGlib_1_1RefPtr.html" title="RefPtr<> is a reference-counting shared smartpointer. ">RefPtr</a> instead. </p>
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