mirror of
https://github.com/AntonioND/tobkit.git
synced 2025-06-19 17:15:35 -04:00
cc2d654195
In practice, the whole folder has been removed and replaced by a fresh copy of libsigc++-2.2.3 from here: http://repository.timesys.com/buildsources/l/libsigc++/libsigc++-2.2.3/
9 lines
2.1 KiB
HTML
9 lines
2.1 KiB
HTML
<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>What about return values?</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="LibSigC++"><link rel="up" href="ch03.html" title="Chapter 3. Writing your own signals"><link rel="prev" href="ch03.html" title="Chapter 3. Writing your own signals"><link rel="next" href="ch04.html" title="Chapter 4. Advanced topics"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">What about return values?</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch03.html">Prev</a> </td><th width="60%" align="center">Chapter 3. Writing your own signals</th><td width="20%" align="right"> <a accesskey="n" href="ch04.html">Next</a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2522280"></a>What about return values?</h2></div></div></div><p>If you only ever have one slot connected to a signal, or if you only care
|
||
about the return value of the last registered one, it's quite straightforward:</p><pre class="programlisting">
|
||
sigc::signal<int> somesignal;
|
||
int a_return_value;
|
||
|
||
a_return_value = somesignal.emit();
|
||
</pre><p>If you care about every return value things are a little more complicated.
|
||
See the section on Marshallers for more info.</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch03.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch03.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ch04.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 3. Writing your own signals </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Chapter 4. Advanced topics</td></tr></table></div></body></html>
|