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<td >Qt 5.9</td><td ><a href="qtnetwork-index.html">Qt Network</a></td><td ><a href="qtnetwork-module.html">C++ Classes</a></td><td >QTcpSocket</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QTcpSocket Class</h1>
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<p>The <a href="qtcpsocket.html">QTcpSocket</a> class provides a TCP socket. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QTcpSocket></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += network</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qabstractsocket.html">QAbstractSocket</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qsctpsocket.html">QSctpSocket</a> and <a href="qsslsocket.html">QSslSocket</a></p>
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<li><a href="qtcpsocket-members.html">List of all members, including inherited members</a></li>
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<p><b>Note:</b> All functions in this class are reentrant.</p>
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<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtcpsocket.html#QTcpSocket">QTcpSocket</a></b>(QObject *<i>parent</i> = Q_NULLPTR)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qtcpsocket.html#dtor.QTcpSocket">~QTcpSocket</a></b>()</td></tr>
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<li class="fn">37 public functions inherited from <a href="qabstractsocket.html#public-functions">QAbstractSocket</a></li>
<li class="fn">43 public functions inherited from <a href="../qtcore/qiodevice.html#public-functions">QIODevice</a></li>
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<li class="fn">6 signals inherited from <a href="qabstractsocket.html#signals">QAbstractSocket</a></li>
<li class="fn">6 signals inherited from <a href="../qtcore/qiodevice.html#signals">QIODevice</a></li>
<li class="fn">2 signals inherited from <a href="../qtcore/qobject.html#signals">QObject</a></li>
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<li class="fn">10 static public members inherited from <a href="../qtcore/qobject.html#static-public-members">QObject</a></li>
<li class="fn">10 protected functions inherited from <a href="qabstractsocket.html#protected-functions">QAbstractSocket</a></li>
<li class="fn">5 protected functions inherited from <a href="../qtcore/qiodevice.html#protected-functions">QIODevice</a></li>
<li class="fn">9 protected functions inherited from <a href="../qtcore/qobject.html#protected-functions">QObject</a></li>
<li class="fn">2 protected variables inherited from <a href="../qtcore/qobject.html#protected-variables">QObject</a></li>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qtcpsocket.html">QTcpSocket</a> class provides a TCP socket.</p>
<p>TCP (Transmission Control Protocol) is a reliable, stream-oriented, connection-oriented transport protocol. It is especially well suited for continuous transmission of data.</p>
<p><a href="qtcpsocket.html">QTcpSocket</a> is a convenience subclass of <a href="qabstractsocket.html">QAbstractSocket</a> that allows you to establish a TCP connection and transfer streams of data. See the <a href="qabstractsocket.html">QAbstractSocket</a> documentation for details.</p>
<p><b>Note: </b>TCP sockets cannot be opened in <a href="../qtcore/qiodevice.html#OpenModeFlag-enum">QIODevice::Unbuffered</a> mode.</p></div>
<p><b>See also </b><a href="qtcpserver.html">QTcpServer</a>, <a href="qudpsocket.html">QUdpSocket</a>, <a href="qnetworkaccessmanager.html">QNetworkAccessManager</a>, <a href="qtnetwork-fortuneserver-example.html">Fortune Server Example</a>, <a href="qtnetwork-fortuneclient-example.html">Fortune Client Example</a>, <a href="qtnetwork-threadedfortuneserver-example.html">Threaded Fortune Server Example</a>, <a href="qtnetwork-blockingfortuneclient-example.html">Blocking Fortune Client Example</a>, <a href="qtnetwork-loopback-example.html">Loopback Example</a>, and <a href="qtnetwork-torrent-example.html">Torrent Example</a>.</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="QTcpSocket"><a name="QTcpSocket"></a>QTcpSocket::<span class="name">QTcpSocket</span>(<span class="type"><a href="../qtcore/qobject.html#QObject">QObject</a></span> *<i>parent</i> = Q_NULLPTR)</h3>
<p>Creates a <a href="qtcpsocket.html">QTcpSocket</a> object in state <code>UnconnectedState</code>.</p>
<p><i>parent</i> is passed on to the <a href="../qtcore/qobject.html">QObject</a> constructor.</p>
<p><b>See also </b><a href="qabstractsocket.html#socketType">socketType</a>().</p>
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<h3 class="fn" id="dtor.QTcpSocket"><a name="dtor.QTcpSocket"></a><code>[virtual] </code>QTcpSocket::<span class="name">~QTcpSocket</span>()</h3>
<p>Destroys the socket, closing the connection if necessary.</p>
<p><b>See also </b><a href="qabstractsocket.html#close">close</a>().</p>
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