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<td >Qt 5.9</td><td ><a href="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-module.html">C++ Classes</a></td><td >QWeakPointer</td></tr></table><table class="buildversion"><tr>
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<h1 class="title">Obsolete Members for QWeakPointer</h1>
<p><b>The following members of class <a href="qweakpointer.html">QWeakPointer</a> are obsolete.</b> They are provided to keep old source code working. We strongly advise against using them in new code.</p>
<h2>Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code></td><td class="memItemRight bottomAlign"><b><a href="qweakpointer-obsolete.html#QWeakPointer-3">QWeakPointer</a></b>(const QObject *<i>obj</i>)</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QWeakPointer&lt;T&gt; &amp;</td><td class="memItemRight bottomAlign"><b><a href="qweakpointer-obsolete.html#operator-eq-2">operator=</a></b>(const QObject *<i>obj</i>)</td></tr>
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<h2>Member Function Documentation</h2>
<!-- $$$QWeakPointer$$$QWeakPointerconstQObject* -->
<h3 class="fn" id="QWeakPointer-3"><a name="QWeakPointer-3"></a>QWeakPointer::<span class="name">QWeakPointer</span>(const <span class="type"><a href="qobject.html">QObject</a></span> *<i>obj</i>)</h3>
<p>Creates a <a href="qweakpointer.html">QWeakPointer</a> that holds a weak reference directly to the <a href="qobject.html">QObject</a> <i>obj</i>. This constructor is only available if the template type <code>T</code> is <a href="qobject.html">QObject</a> or derives from it (otherwise a compilation error will result).</p>
<p>You can use this constructor with any <a href="qobject.html">QObject</a>, even if they were not created with <a href="qsharedpointer.html">QSharedPointer</a>.</p>
<p>Note that QWeakPointers created this way on arbitrary QObjects usually cannot be promoted to <a href="qsharedpointer.html">QSharedPointer</a>.</p>
<p>This function was introduced in  Qt 4.6.</p>
<p><b>See also </b><a href="qsharedpointer.html">QSharedPointer</a> and <a href="qpointer.html">QPointer</a>.</p>
<!-- @@@QWeakPointer -->
<!-- $$$operator=$$$operator=constQObject* -->
<h3 class="fn" id="operator-eq-2"><a name="operator-eq-2"></a><span class="type"><a href="qweakpointer.html#QWeakPointer">QWeakPointer</a></span>&lt;<span class="type">T</span>&gt; &amp;QWeakPointer::<span class="name">operator=</span>(const <span class="type"><a href="qobject.html">QObject</a></span> *<i>obj</i>)</h3>
<p>Makes this <a href="qweakpointer.html">QWeakPointer</a> hold a weak reference directly to the <a href="qobject.html">QObject</a> <i>obj</i>. This function is only available if the template type <code>T</code> is <a href="qobject.html">QObject</a> or derives from it.</p>
<p>This function was introduced in  Qt 4.6.</p>
<p><b>See also </b><a href="qpointer.html">QPointer</a>.</p>
<!-- @@@operator= -->
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