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<td >Qt 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QVideoWindowControl</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>
<ul>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#protected-functions">Protected Functions</a></li>
<li class="level1"><a href="#macros">Macros</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QVideoWindowControl Class</h1>
<!-- $$$QVideoWindowControl-brief -->
<p>The <a href="qvideowindowcontrol.html">QVideoWindowControl</a> class provides a media control for rendering video to a window. <a href="#details">More...</a></p>
<!-- @@@QVideoWindowControl -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QVideoWindowControl&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += multimedia</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qmediacontrol.html">QMediaControl</a></td></tr></table></div><ul>
<li><a href="qvideowindowcontrol-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#dtor.QVideoWindowControl">~QVideoWindowControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual Qt::AspectRatioMode </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#aspectRatioMode">aspectRatioMode</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#brightness">brightness</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#contrast">contrast</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QRect </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#displayRect">displayRect</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#hue">hue</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#isFullScreen">isFullScreen</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QSize </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#nativeSize">nativeSize</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#repaint">repaint</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#saturation">saturation</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setAspectRatioMode">setAspectRatioMode</a></b>(Qt::AspectRatioMode <i>mode</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setBrightness">setBrightness</a></b>(int <i>brightness</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setContrast">setContrast</a></b>(int <i>contrast</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setDisplayRect">setDisplayRect</a></b>(const QRect &amp;<i>rect</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setFullScreen">setFullScreen</a></b>(bool <i>fullScreen</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setHue">setHue</a></b>(int <i>hue</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setSaturation">setSaturation</a></b>(int <i>saturation</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#setWinId">setWinId</a></b>(WId <i>id</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual WId </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#winId">winId</a></b>() const = 0</td></tr>
</table></div>
<a name="signals"></a>
<h2 id="signals">Signals</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#brightnessChanged">brightnessChanged</a></b>(int <i>brightness</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#contrastChanged">contrastChanged</a></b>(int <i>contrast</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#fullScreenChanged">fullScreenChanged</a></b>(bool <i>fullScreen</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#hueChanged">hueChanged</a></b>(int <i>hue</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#nativeSizeChanged">nativeSizeChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#saturationChanged">saturationChanged</a></b>(int <i>saturation</i>)</td></tr>
</table></div>
<a name="protected-functions"></a>
<h2 id="protected-functions">Protected Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#QVideoWindowControl">QVideoWindowControl</a></b>(QObject *<i>parent</i> = Q_NULLPTR)</td></tr>
</table></div>
<a name="macros"></a>
<h2 id="macros">Macros</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvideowindowcontrol.html#QVideoWindowControl_iid">QVideoWindowControl_iid</a></b></td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QVideoWindowControl-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qvideowindowcontrol.html">QVideoWindowControl</a> class provides a media control for rendering video to a window.</p>
<p>The <a href="qvideowindowcontrol.html#winId">winId</a>() property <a href="qvideowindowcontrol.html">QVideoWindowControl</a> allows a platform specific window ID to be set as the video render target of a <a href="qmediaservice.html">QMediaService</a>. The <a href="qvideowindowcontrol.html#displayRect">displayRect</a>() property is used to set the region of the window the video should be rendered to, and the <a href="qvideowindowcontrol.html#aspectRatioMode">aspectRatioMode</a>() property indicates how the video should be scaled to fit the <a href="qvideowindowcontrol.html#displayRect">displayRect</a>().</p>
<pre class="cpp">

  <span class="type"><a href="qvideowindowcontrol.html#QVideoWindowControl">QVideoWindowControl</a></span> <span class="operator">*</span>windowControl <span class="operator">=</span> mediaService<span class="operator">-</span><span class="operator">&gt;</span>requestControl<span class="operator">&lt;</span><span class="type"><a href="qvideowindowcontrol.html#QVideoWindowControl">QVideoWindowControl</a></span> <span class="operator">*</span><span class="operator">&gt;</span>();
  windowControl<span class="operator">-</span><span class="operator">&gt;</span>setWinId(widget<span class="operator">-</span><span class="operator">&gt;</span>winId());
  windowControl<span class="operator">-</span><span class="operator">&gt;</span>setDisplayRect(widget<span class="operator">-</span><span class="operator">&gt;</span>rect());
  windowControl<span class="operator">-</span><span class="operator">&gt;</span>setAspectRatioMode(<span class="type">Qt</span><span class="operator">::</span>KeepAspectRatio);

</pre>
<p><a href="qvideowindowcontrol.html">QVideoWindowControl</a> is one of a number of possible video output controls.</p>
<p>The interface name of <a href="qvideowindowcontrol.html">QVideoWindowControl</a> is <code>org.qt-project.qt.videowindowcontrol/5.0</code> as defined in <a href="qvideowindowcontrol.html#QVideoWindowControl_iid">QVideoWindowControl_iid</a>.</p>
</div>
<p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qvideowidget.html">QVideoWidget</a>.</p>
<!-- @@@QVideoWindowControl -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QVideoWindowControl[overload1]$$$QVideoWindowControlQObject* -->
<h3 class="fn" id="QVideoWindowControl"><a name="QVideoWindowControl"></a><code>[protected] </code>QVideoWindowControl::<span class="name">QVideoWindowControl</span>(<span class="type">QObject</span> *<i>parent</i> = Q_NULLPTR)</h3>
<p>Constructs a new video window control with the given <i>parent</i>.</p>
<!-- @@@QVideoWindowControl -->
<!-- $$$~QVideoWindowControl[overload1]$$$~QVideoWindowControl -->
<h3 class="fn" id="dtor.QVideoWindowControl"><a name="dtor.QVideoWindowControl"></a>QVideoWindowControl::<span class="name">~QVideoWindowControl</span>()</h3>
<p>Destroys a video window control.</p>
<!-- @@@~QVideoWindowControl -->
<!-- $$$aspectRatioMode[overload1]$$$aspectRatioMode -->
<h3 class="fn" id="aspectRatioMode"><a name="aspectRatioMode"></a><code>[pure virtual] </code><span class="type">Qt::AspectRatioMode</span> QVideoWindowControl::<span class="name">aspectRatioMode</span>() const</h3>
<p>Returns how video is scaled to fit the display region with respect to its aspect ratio.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setAspectRatioMode">setAspectRatioMode</a>().</p>
<!-- @@@aspectRatioMode -->
<!-- $$$brightness[overload1]$$$brightness -->
<h3 class="fn" id="brightness"><a name="brightness"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWindowControl::<span class="name">brightness</span>() const</h3>
<p>Returns the brightness adjustment applied to a video overlay.</p>
<p>Valid brightness values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setBrightness">setBrightness</a>().</p>
<!-- @@@brightness -->
<!-- $$$brightnessChanged[overload1]$$$brightnessChangedint -->
<h3 class="fn" id="brightnessChanged"><a name="brightnessChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWindowControl::<span class="name">brightnessChanged</span>(<span class="type">int</span> <i>brightness</i>)</h3>
<p>Signals that a video overlay's <i>brightness</i> adjustment has changed.</p>
<!-- @@@brightnessChanged -->
<!-- $$$contrast[overload1]$$$contrast -->
<h3 class="fn" id="contrast"><a name="contrast"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWindowControl::<span class="name">contrast</span>() const</h3>
<p>Returns the contrast adjustment applied to a video overlay.</p>
<p>Valid contrast values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setContrast">setContrast</a>().</p>
<!-- @@@contrast -->
<!-- $$$contrastChanged[overload1]$$$contrastChangedint -->
<h3 class="fn" id="contrastChanged"><a name="contrastChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWindowControl::<span class="name">contrastChanged</span>(<span class="type">int</span> <i>contrast</i>)</h3>
<p>Signals that a video overlay's <i>contrast</i> adjustment has changed.</p>
<!-- @@@contrastChanged -->
<!-- $$$displayRect[overload1]$$$displayRect -->
<h3 class="fn" id="displayRect"><a name="displayRect"></a><code>[pure virtual] </code><span class="type">QRect</span> QVideoWindowControl::<span class="name">displayRect</span>() const</h3>
<p>Returns the sub-rect of a window where video is displayed.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setDisplayRect">setDisplayRect</a>().</p>
<!-- @@@displayRect -->
<!-- $$$fullScreenChanged[overload1]$$$fullScreenChangedbool -->
<h3 class="fn" id="fullScreenChanged"><a name="fullScreenChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWindowControl::<span class="name">fullScreenChanged</span>(<span class="type">bool</span> <i>fullScreen</i>)</h3>
<p>Signals that the <i>fullScreen</i> state of a video overlay has changed.</p>
<!-- @@@fullScreenChanged -->
<!-- $$$hue[overload1]$$$hue -->
<h3 class="fn" id="hue"><a name="hue"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWindowControl::<span class="name">hue</span>() const</h3>
<p>Returns the hue adjustment applied to a video overlay.</p>
<p>Value hue values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setHue">setHue</a>().</p>
<!-- @@@hue -->
<!-- $$$hueChanged[overload1]$$$hueChangedint -->
<h3 class="fn" id="hueChanged"><a name="hueChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWindowControl::<span class="name">hueChanged</span>(<span class="type">int</span> <i>hue</i>)</h3>
<p>Signals that a video overlay's <i>hue</i> adjustment has changed.</p>
<!-- @@@hueChanged -->
<!-- $$$isFullScreen[overload1]$$$isFullScreen -->
<h3 class="fn" id="isFullScreen"><a name="isFullScreen"></a><code>[pure virtual] </code><span class="type">bool</span> QVideoWindowControl::<span class="name">isFullScreen</span>() const</h3>
<p>Identifies if a video overlay is a fullScreen overlay.</p>
<p>Returns true if the video overlay is fullScreen, and false otherwise.</p>
<!-- @@@isFullScreen -->
<!-- $$$nativeSize[overload1]$$$nativeSize -->
<h3 class="fn" id="nativeSize"><a name="nativeSize"></a><code>[pure virtual] </code><span class="type">QSize</span> QVideoWindowControl::<span class="name">nativeSize</span>() const</h3>
<p>Returns a suggested size for the video display based on the resolution and aspect ratio of the video.</p>
<!-- @@@nativeSize -->
<!-- $$$nativeSizeChanged[overload1]$$$nativeSizeChanged -->
<h3 class="fn" id="nativeSizeChanged"><a name="nativeSizeChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWindowControl::<span class="name">nativeSizeChanged</span>()</h3>
<p>Signals that the native dimensions of the video have changed.</p>
<!-- @@@nativeSizeChanged -->
<!-- $$$repaint[overload1]$$$repaint -->
<h3 class="fn" id="repaint"><a name="repaint"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">repaint</span>()</h3>
<p>Repaints the last frame.</p>
<!-- @@@repaint -->
<!-- $$$saturation[overload1]$$$saturation -->
<h3 class="fn" id="saturation"><a name="saturation"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWindowControl::<span class="name">saturation</span>() const</h3>
<p>Returns the saturation adjustment applied to a video overlay.</p>
<p>Value saturation values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setSaturation">setSaturation</a>().</p>
<!-- @@@saturation -->
<!-- $$$saturationChanged[overload1]$$$saturationChangedint -->
<h3 class="fn" id="saturationChanged"><a name="saturationChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWindowControl::<span class="name">saturationChanged</span>(<span class="type">int</span> <i>saturation</i>)</h3>
<p>Signals that a video overlay's <i>saturation</i> adjustment has changed.</p>
<!-- @@@saturationChanged -->
<!-- $$$setAspectRatioMode[overload1]$$$setAspectRatioModeQt::AspectRatioMode -->
<h3 class="fn" id="setAspectRatioMode"><a name="setAspectRatioMode"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setAspectRatioMode</span>(<span class="type">Qt::AspectRatioMode</span> <i>mode</i>)</h3>
<p>Sets the aspect ratio <i>mode</i> which determines how video is scaled to the fit the display region with respect to its aspect ratio.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#aspectRatioMode">aspectRatioMode</a>().</p>
<!-- @@@setAspectRatioMode -->
<!-- $$$setBrightness[overload1]$$$setBrightnessint -->
<h3 class="fn" id="setBrightness"><a name="setBrightness"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setBrightness</span>(<span class="type">int</span> <i>brightness</i>)</h3>
<p>Sets a <i>brightness</i> adjustment for a video overlay.</p>
<p>Valid brightness values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#brightness">brightness</a>().</p>
<!-- @@@setBrightness -->
<!-- $$$setContrast[overload1]$$$setContrastint -->
<h3 class="fn" id="setContrast"><a name="setContrast"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setContrast</span>(<span class="type">int</span> <i>contrast</i>)</h3>
<p>Sets the <i>contrast</i> adjustment for a video overlay.</p>
<p>Valid contrast values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#contrast">contrast</a>().</p>
<!-- @@@setContrast -->
<!-- $$$setDisplayRect[overload1]$$$setDisplayRectconstQRect& -->
<h3 class="fn" id="setDisplayRect"><a name="setDisplayRect"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setDisplayRect</span>(const <span class="type">QRect</span> &amp;<i>rect</i>)</h3>
<p>Sets the sub-<i>rect</i> of a window where video is displayed.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#displayRect">displayRect</a>().</p>
<!-- @@@setDisplayRect -->
<!-- $$$setFullScreen[overload1]$$$setFullScreenbool -->
<h3 class="fn" id="setFullScreen"><a name="setFullScreen"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setFullScreen</span>(<span class="type">bool</span> <i>fullScreen</i>)</h3>
<p>Sets whether a video overlay is a <i>fullScreen</i> overlay.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#isFullScreen">isFullScreen</a>().</p>
<!-- @@@setFullScreen -->
<!-- $$$setHue[overload1]$$$setHueint -->
<h3 class="fn" id="setHue"><a name="setHue"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setHue</span>(<span class="type">int</span> <i>hue</i>)</h3>
<p>Sets a <i>hue</i> adjustment for a video overlay.</p>
<p>Valid hue values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#hue">hue</a>().</p>
<!-- @@@setHue -->
<!-- $$$setSaturation[overload1]$$$setSaturationint -->
<h3 class="fn" id="setSaturation"><a name="setSaturation"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setSaturation</span>(<span class="type">int</span> <i>saturation</i>)</h3>
<p>Sets a <i>saturation</i> adjustment for a video overlay.</p>
<p>Valid saturation values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#saturation">saturation</a>().</p>
<!-- @@@setSaturation -->
<!-- $$$setWinId[overload1]$$$setWinIdWId -->
<h3 class="fn" id="setWinId"><a name="setWinId"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWindowControl::<span class="name">setWinId</span>(<span class="type">WId</span> <i>id</i>)</h3>
<p>Sets the <i>id</i> of the window a video overlay end point renders to.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#winId">winId</a>().</p>
<!-- @@@setWinId -->
<!-- $$$winId[overload1]$$$winId -->
<h3 class="fn" id="winId"><a name="winId"></a><code>[pure virtual] </code><span class="type">WId</span> QVideoWindowControl::<span class="name">winId</span>() const</h3>
<p>Returns the ID of the window a video overlay end point renders to.</p>
<p><b>See also </b><a href="qvideowindowcontrol.html#setWinId">setWinId</a>().</p>
<!-- @@@winId -->
</div>
<div class="macros">
<h2>Macro Documentation</h2>
<!-- $$$QVideoWindowControl_iid[overload1]$$$QVideoWindowControl_iid -->
<h3 class="fn" id="QVideoWindowControl_iid"><a name="QVideoWindowControl_iid"></a><span class="name">QVideoWindowControl_iid</span></h3>
<p><code>org.qt-project.qt.videowindowcontrol/5.0</code></p>
<p>Defines the interface name of the <a href="qvideowindowcontrol.html">QVideoWindowControl</a> class.</p>
<!-- @@@QVideoWindowControl_iid -->
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