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<a href="#telepathy-glib-connection-balance.synopsis" class="shortcut">Top</a>
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<a href="#telepathy-glib-connection-balance.description" class="shortcut">Description</a>
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<a name="telepathy-glib-connection-balance"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="telepathy-glib-connection-balance.top_of_page"></a>Connection Balance interface</span></h2>
<p>Connection Balance interface — client-side wrappers for the Balance interface</p>
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<div class="refsynopsisdiv">
<a name="telepathy-glib-connection-balance.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <telepathy-glib/telepathy-glib-dbus.h>
<a class="link" href="telepathy-glib-proxy.html#TpProxySignalConnection" title="TpProxySignalConnection"><span class="returnvalue">TpProxySignalConnection</span></a> * <a class="link" href="telepathy-glib-connection-balance.html#tp-cli-connection-interface-balance-connect-to-balance-changed" title="tp_cli_connection_interface_balance_connect_to_balance_changed ()">tp_cli_connection_interface_balance_connect_to_balance_changed</a>
(<em class="parameter"><code><a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="telepathy-glib-connection-balance.html#tp-cli-connection-interface-balance-signal-callback-balance-changed" title="tp_cli_connection_interface_balance_signal_callback_balance_changed ()"><span class="type">tp_cli_connection_interface_balance_signal_callback_balance_changed</span></a> callback</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> destroy</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *weak_object</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="telepathy-glib-connection-balance.html#tp-cli-connection-interface-balance-signal-callback-balance-changed" title="tp_cli_connection_interface_balance_signal_callback_balance_changed ()">*tp_cli_connection_interface_balance_signal_callback_balance_changed</a>)
(<em class="parameter"><code><a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a> *proxy</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Value-arrays.html#GValueArray"><span class="type">GValueArray</span></a> *arg_Balance</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *weak_object</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="telepathy-glib-connection-balance.description"></a><h2>Description</h2>
<p>
In some real-time communication services the user can pay for certain
services, typically calls to the PSTN, in advance. In (at least) Skype,
it's possible to query the current balance in a machine-readable way.
</p>
<p>
This section documents the auto-generated C wrappers for the
Balance interface, used with <a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a> objects.
</p>
</div>
<div class="refsect1">
<a name="telepathy-glib-connection-balance.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="tp-cli-connection-interface-balance-connect-to-balance-changed"></a><h3>tp_cli_connection_interface_balance_connect_to_balance_changed ()</h3>
<pre class="programlisting"><a class="link" href="telepathy-glib-proxy.html#TpProxySignalConnection" title="TpProxySignalConnection"><span class="returnvalue">TpProxySignalConnection</span></a> * tp_cli_connection_interface_balance_connect_to_balance_changed
(<em class="parameter"><code><a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a> *proxy</code></em>,
<em class="parameter"><code><a class="link" href="telepathy-glib-connection-balance.html#tp-cli-connection-interface-balance-signal-callback-balance-changed" title="tp_cli_connection_interface_balance_signal_callback_balance_changed ()"><span class="type">tp_cli_connection_interface_balance_signal_callback_balance_changed</span></a> callback</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> destroy</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *weak_object</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Connect a handler to the signal BalanceChanged.
</p>
<p>
<tp:docstring xmlns="http://www.w3.org/1999/xhtml"> <p>Emitted when the user's balance has changed.</p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>A <a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a> or subclass</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>Callback to be called when the signal is
received</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>User-supplied data for the callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy</code></em> :</span></p></td>
<td>Destructor for the user-supplied data, which
will be called when this signal is disconnected, or
before this function returns <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>weak_object</code></em> :</span></p></td>
<td>A <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> which will be weakly referenced;
if it is destroyed, this callback will automatically be
disconnected</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>If not <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, used to raise an error if <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> is
returned</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a class="link" href="telepathy-glib-proxy.html#TpProxySignalConnection" title="TpProxySignalConnection"><span class="type">TpProxySignalConnection</span></a> containing all of the
above, which can be used to disconnect the signal; or
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the proxy does not have the desired interface
or has become invalid.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="tp-cli-connection-interface-balance-signal-callback-balance-changed"></a><h3>tp_cli_connection_interface_balance_signal_callback_balance_changed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*tp_cli_connection_interface_balance_signal_callback_balance_changed)
(<em class="parameter"><code><a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a> *proxy</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Value-arrays.html#GValueArray"><span class="type">GValueArray</span></a> *arg_Balance</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>,
<em class="parameter"><code><a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *weak_object</code></em>);</pre>
<p>
Represents the signature of a callback for the signal BalanceChanged.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>proxy</code></em> :</span></p></td>
<td>The proxy on which <a class="link" href="telepathy-glib-connection-balance.html#tp-cli-connection-interface-balance-connect-to-balance-changed" title="tp_cli_connection_interface_balance_connect_to_balance_changed ()"><code class="function">tp_cli_connection_interface_balance_connect_to_balance_changed()</code></a>
was called</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>arg_Balance</code></em> :</span></p></td>
<td><tp:docstring xmlns="http://www.w3.org/1999/xhtml"> <p>The new value of the <tp:member-ref>AccountBalance</tp:member-ref> property.</p></td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>User-supplied data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>weak_object</code></em> :</span></p></td>
<td>User-supplied weakly referenced object</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="telepathy-glib-connection-balance.see-also"></a><h2>See Also</h2>
<a class="link" href="telepathy-glib-connection.html#TpConnection"><span class="type">TpConnection</span></a>
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