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<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="headertitle"><div class="title">OPtr&lt; I &gt; Class Template Reference<div class="ingroups"><a class="el" href="group__pluginBase.html">Basic Interfaces</a></div></div></div>
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<p><a class="el" href="classSteinberg_1_1OPtr.html" title="OPtr - &quot;owning&quot; smart pointer used for newly created FObjects.">OPtr</a> - "owning" smart pointer used for newly created FObjects.
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<p><code>#include &lt;smartpointer.h&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
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<tr class="memitem:a1ab176c8a516dd659bc5b83f383f80ee" id="r_a1ab176c8a516dd659bc5b83f383f80ee"><td class="memItemLeft" align="right" valign="top">I *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a1ab176c8a516dd659bc5b83f383f80ee">operator=</a> (I *_ptr)</td></tr>
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<tr class="memitem:a1319c719fbf775d7b691de74c00f7e74 inherit pub_methods_classSteinberg_1_1IPtr" id="r_a1319c719fbf775d7b691de74c00f7e74"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a1319c719fbf775d7b691de74c00f7e74">IPtr</a> (I *<a class="el" href="classSteinberg_1_1IPtr.html#a7c145f458643ff993b929f236d4a2ac0">ptr</a>, bool addRef=true)</td></tr>
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<tr class="memitem:a0febc1cfbd249e5c625f0accf3879f2a inherit pub_methods_classSteinberg_1_1IPtr" id="r_a0febc1cfbd249e5c625f0accf3879f2a"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a0febc1cfbd249e5c625f0accf3879f2a">IPtr</a> ()</td></tr>
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<tr class="memitem:ac784799582d163bd4b0a10786dde5105 inherit pub_methods_classSteinberg_1_1IPtr" id="r_ac784799582d163bd4b0a10786dde5105"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#ac784799582d163bd4b0a10786dde5105">~IPtr</a> ()</td></tr>
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<tr class="memitem:a03850f48f52ac82f95d5d564173444e5 inherit pub_methods_classSteinberg_1_1IPtr" id="r_a03850f48f52ac82f95d5d564173444e5"><td class="memTemplParams" colspan="2">template&lt;class T&gt; </td></tr>
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<tr class="memitem:a8146c0b148b276ccca7ce4ac66066fa7 inherit pub_methods_classSteinberg_1_1IPtr" id="r_a8146c0b148b276ccca7ce4ac66066fa7"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a8146c0b148b276ccca7ce4ac66066fa7">operator I*</a> () const</td></tr>
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<tr class="memitem:a7c7440d29b5a9e86739b1edbe0c09fd3 inherit pub_methods_classSteinberg_1_1IPtr" id="r_a7c7440d29b5a9e86739b1edbe0c09fd3"><td class="memItemLeft" align="right" valign="top">I *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a7c7440d29b5a9e86739b1edbe0c09fd3">operator-&gt;</a> () const</td></tr>
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<tr class="memitem:a0c8d983b1d97191fb407de7952b5fdbb inherit pub_methods_classSteinberg_1_1IPtr" id="r_a0c8d983b1d97191fb407de7952b5fdbb"><td class="memItemLeft" align="right" valign="top">I *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a0c8d983b1d97191fb407de7952b5fdbb">get</a> () const</td></tr>
<tr class="separator:a0c8d983b1d97191fb407de7952b5fdbb inherit pub_methods_classSteinberg_1_1IPtr"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9ef8df82f56d037f33eedf88dc642ac1 inherit pub_methods_classSteinberg_1_1IPtr" id="r_a9ef8df82f56d037f33eedf88dc642ac1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a9ef8df82f56d037f33eedf88dc642ac1">reset</a> (I *obj=nullptr)</td></tr>
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<tr class="memitem:ac962748be89328f823a11a469fc7fcf3 inherit pub_methods_classSteinberg_1_1IPtr" id="r_ac962748be89328f823a11a469fc7fcf3"><td class="memItemLeft" align="right" valign="top">I *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#ac962748be89328f823a11a469fc7fcf3">take</a> () <a class="el" href="fplatform_8h.html#a5932d425a53de42eaf3ccb6ab2695e71">SMTG_NOEXCEPT</a></td></tr>
<tr class="separator:ac962748be89328f823a11a469fc7fcf3 inherit pub_methods_classSteinberg_1_1IPtr"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad90cd5b534f50a950d3a2faca6dc077d inherit pub_methods_classSteinberg_1_1IPtr" id="r_ad90cd5b534f50a950d3a2faca6dc077d"><td class="memTemplParams" colspan="2">template&lt;class I&gt; </td></tr>
<tr class="memitem:ad90cd5b534f50a950d3a2faca6dc077d inherit pub_methods_classSteinberg_1_1IPtr"><td class="memTemplItemLeft" align="right" valign="top">&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#ad90cd5b534f50a950d3a2faca6dc077d">IPtr</a> (const <a class="el" href="classSteinberg_1_1IPtr.html">IPtr</a>&lt; I &gt; &amp;other)</td></tr>
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<tr class="memitem:a6d7ae2dcfc4c80bad688a16e4f108ea5 inherit pub_methods_classSteinberg_1_1IPtr"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classSteinberg_1_1IPtr.html">IPtr</a>&lt; I &gt; &amp;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a6d7ae2dcfc4c80bad688a16e4f108ea5">operator=</a> (const <a class="el" href="classSteinberg_1_1IPtr.html">IPtr</a>&lt; I &gt; &amp;_ptr)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="inherited" name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_static_methods_classSteinberg_1_1IPtr"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_static_methods_classSteinberg_1_1IPtr')"><img src="closed.png" alt="-"/>&#160;Static Public Member Functions inherited from <a class="el" href="classSteinberg_1_1IPtr.html">IPtr&lt; I &gt;</a></td></tr>
<tr class="memitem:a28258a172847a21fb08c93bb4ddb6522 inherit pub_static_methods_classSteinberg_1_1IPtr" id="r_a28258a172847a21fb08c93bb4ddb6522"><td class="memTemplParams" colspan="2">template&lt;typename T&gt; </td></tr>
<tr class="memitem:a28258a172847a21fb08c93bb4ddb6522 inherit pub_static_methods_classSteinberg_1_1IPtr"><td class="memTemplItemLeft" align="right" valign="top">static <a class="el" href="classSteinberg_1_1IPtr.html">IPtr</a>&lt; T &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a28258a172847a21fb08c93bb4ddb6522">adopt</a> (T *obj) <a class="el" href="fplatform_8h.html#a5932d425a53de42eaf3ccb6ab2695e71">SMTG_NOEXCEPT</a></td></tr>
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<tr class="inherit_header pro_attribs_classSteinberg_1_1IPtr"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_attribs_classSteinberg_1_1IPtr')"><img src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a class="el" href="classSteinberg_1_1IPtr.html">IPtr&lt; I &gt;</a></td></tr>
<tr class="memitem:a7c145f458643ff993b929f236d4a2ac0 inherit pro_attribs_classSteinberg_1_1IPtr" id="r_a7c145f458643ff993b929f236d4a2ac0"><td class="memItemLeft" align="right" valign="top">I *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classSteinberg_1_1IPtr.html#a7c145f458643ff993b929f236d4a2ac0">ptr</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><div class="compoundTemplParams">template&lt;class I&gt;<br />
class Steinberg::OPtr&lt; I &gt;</div><p><a class="el" href="classSteinberg_1_1OPtr.html" title="OPtr - &quot;owning&quot; smart pointer used for newly created FObjects.">OPtr</a> - "owning" smart pointer used for newly created FObjects. </p>
<p><a class="el" href="classSteinberg_1_1FUnknown.html" title="The basic interface of all interfaces.">FUnknown</a> implementations are supposed to have a refCount of 1 right after creation. So using an <a class="el" href="classSteinberg_1_1IPtr.html" title="IPtr - Smart pointer template class.">IPtr</a> on newly created objects would lead to a leak. Instead the <a class="el" href="classSteinberg_1_1OPtr.html" title="OPtr - &quot;owning&quot; smart pointer used for newly created FObjects.">OPtr</a> can be used in this case. <br />
Example: </p><div class="fragment"><div class="line"><a class="code hl_function" href="#a4b3a63e8c3856f12d05cf56956d98c13">OPtr&lt;IPath&gt;</a> path = FHostCreate (IPath, hostClasses);</div>
<div class="line"><span class="comment">// no release is needed...</span></div>
<div class="ttc" id="aclassSteinberg_1_1OPtr_html_a4b3a63e8c3856f12d05cf56956d98c13"><div class="ttname"><a href="#a4b3a63e8c3856f12d05cf56956d98c13">Steinberg::OPtr::OPtr</a></div><div class="ttdeci">OPtr(I *p)</div><div class="ttdef"><b>Definition</b> smartpointer.h:213</div></div>
</div><!-- fragment --><p> The assignment operator takes ownership of a new object and releases the old. So its safe to write: </p><div class="fragment"><div class="line"><a class="code hl_function" href="#a4b3a63e8c3856f12d05cf56956d98c13">OPtr&lt;IPath&gt;</a> path = FHostCreate (IPath, hostClasses);</div>
<div class="line">path = FHostCreate (IPath, hostClasses);</div>
<div class="line">path = 0;</div>
</div><!-- fragment --><p> This is the difference to using an <a class="el" href="classSteinberg_1_1IPtr.html" title="IPtr - Smart pointer template class.">IPtr</a> with addRef=false. </p><div class="fragment"><div class="line"><span class="comment">// DONT DO THIS:</span></div>
<div class="line"><a class="code hl_function" href="classSteinberg_1_1IPtr.html#a1319c719fbf775d7b691de74c00f7e74">IPtr&lt;IPath&gt;</a> path (FHostCreate (IPath, hostClasses), <span class="keyword">false</span>);</div>
<div class="line">path = FHostCreate (IPath, hostClasses);</div>
<div class="line">path = 0;</div>
<div class="ttc" id="aclassSteinberg_1_1IPtr_html_a1319c719fbf775d7b691de74c00f7e74"><div class="ttname"><a href="classSteinberg_1_1IPtr.html#a1319c719fbf775d7b691de74c00f7e74">Steinberg::IPtr::IPtr</a></div><div class="ttdeci">IPtr(I *ptr, bool addRef=true)</div><div class="ttdef"><b>Definition</b> smartpointer.h:126</div></div>
</div><!-- fragment --><p> This will lead to a leak! </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1ab176c8a516dd659bc5b83f383f80ee">&#9670;&#160;</a></span>operator=()</h2>
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