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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qtcore.html">QtCore</a></li> <li>QVariant</li> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">Qt 3 Support Members for QVariant</h1> <p><b>The following class members are part of the <a href="qt3support.html">Qt 3 support layer</a>.</b> They are provided to help you port old code to Qt 4. We advise against using them in new code.</p> <p><ul><li><a href="qvariant.html">QVariant class reference</a></li></ul></p> <h2>Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#QVariant-40">QVariant</a></b> ( bool <i>b</i>, int <i>dummy</i> )</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QBitArray & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asBitArray">asBitArray</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> bool & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asBool">asBool</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QByteArray & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asByteArray">asByteArray</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QByteArray & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asCString">asCString</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QDate & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asDate">asDate</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QDateTime & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asDateTime">asDateTime</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> double & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asDouble">asDouble</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> int & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asInt">asInt</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QList<QVariant> & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asList">asList</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> qlonglong & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asLongLong">asLongLong</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QMap<QString, QVariant> & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asMap">asMap</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QPoint & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asPoint">asPoint</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QRect & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asRect">asRect</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QSize & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asSize">asSize</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QString & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asString">asString</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QStringList & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asStringList">asStringList</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> QTime & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asTime">asTime</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> uint & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asUInt">asUInt</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> qulonglong & </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#asULongLong">asULongLong</a></b> ()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#canCast">canCast</a></b> ( Type <i>t</i> ) const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#cast">cast</a></b> ( Type <i>t</i> )</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> const QByteArray </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#toCString">toCString</a></b> () const</td></tr> </table> <h2>Related Non-Members</h2> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#qVariantCanConvert">qVariantCanConvert</a></b> ( const QVariant & <i>value</i> )</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> T </td><td class="memItemRight bottomAlign"><b><a href="qvariant-qt3.html#qVariantValue">qVariantValue</a></b> ( const QVariant & <i>value</i> )</td></tr> </table> <h2>Member Function Documentation</h2> <!-- $$$QVariant$$$QVariantboolint --> <h3 class="fn"><a name="QVariant-40"></a>QVariant::<span class="name">QVariant</span> ( <span class="type">bool</span> <i>b</i>, <span class="type">int</span> <i>dummy</i> )</h3> <p>Use the <a href="qvariant.html">QVariant</a>(bool) constructor instead.</p> <!-- @@@QVariant --> <!-- $$$asBitArray[overload1]$$$asBitArray --> <h3 class="fn"><a name="asBitArray"></a><span class="type"><a href="qbitarray.html">QBitArray</a></span> & QVariant::<span class="name">asBitArray</span> ()</h3> <p>Use <a href="qvariant.html#toBitArray">toBitArray</a>() instead.</p> <!-- @@@asBitArray --> <!-- $$$asBool[overload1]$$$asBool --> <h3 class="fn"><a name="asBool"></a><span class="type">bool</span> & QVariant::<span class="name">asBool</span> ()</h3> <p>Use <a href="qvariant.html#toBool">toBool</a>() instead.</p> <!-- @@@asBool --> <!-- $$$asByteArray[overload1]$$$asByteArray --> <h3 class="fn"><a name="asByteArray"></a><span class="type"><a href="qbytearray.html">QByteArray</a></span> & QVariant::<span class="name">asByteArray</span> ()</h3> <p>Use <a href="qvariant.html#toByteArray">toByteArray</a>() instead.</p> <!-- @@@asByteArray --> <!-- $$$asCString[overload1]$$$asCString --> <h3 class="fn"><a name="asCString"></a><span class="type"><a href="qbytearray.html">QByteArray</a></span> & QVariant::<span class="name">asCString</span> ()</h3> <p>Use <a href="qvariant.html#toByteArray">toByteArray</a>() instead.</p> <!-- @@@asCString --> <!-- $$$asDate[overload1]$$$asDate --> <h3 class="fn"><a name="asDate"></a><span class="type"><a href="qdate.html">QDate</a></span> & QVariant::<span class="name">asDate</span> ()</h3> <p>Use <a href="qvariant.html#toDate">toDate</a>() instead.</p> <!-- @@@asDate --> <!-- $$$asDateTime[overload1]$$$asDateTime --> <h3 class="fn"><a name="asDateTime"></a><span class="type"><a href="qdatetime.html">QDateTime</a></span> & QVariant::<span class="name">asDateTime</span> ()</h3> <p>Use <a href="qvariant.html#toDateTime">toDateTime</a>() instead.</p> <!-- @@@asDateTime --> <!-- $$$asDouble[overload1]$$$asDouble --> <h3 class="fn"><a name="asDouble"></a><span class="type">double</span> & QVariant::<span class="name">asDouble</span> ()</h3> <p>Use <a href="qvariant.html#toDouble">toDouble</a>() instead.</p> <!-- @@@asDouble --> <!-- $$$asInt[overload1]$$$asInt --> <h3 class="fn"><a name="asInt"></a><span class="type">int</span> & QVariant::<span class="name">asInt</span> ()</h3> <p>Use <a href="qvariant.html#toInt">toInt</a>() instead.</p> <!-- @@@asInt --> <!-- $$$asList[overload1]$$$asList --> <h3 class="fn"><a name="asList"></a><span class="type"><a href="qlist.html">QList</a></span><<span class="type">QVariant</span>> & QVariant::<span class="name">asList</span> ()</h3> <p>Use <a href="qvariant.html#toList">toList</a>() instead.</p> <!-- @@@asList --> <!-- $$$asLongLong[overload1]$$$asLongLong --> <h3 class="fn"><a name="asLongLong"></a><span class="type"><a href="qtglobal.html#qlonglong-typedef">qlonglong</a></span> & QVariant::<span class="name">asLongLong</span> ()</h3> <p>Use <a href="qvariant.html#toLongLong">toLongLong</a>() instead.</p> <!-- @@@asLongLong --> <!-- $$$asMap[overload1]$$$asMap --> <h3 class="fn"><a name="asMap"></a><span class="type"><a href="qmap.html">QMap</a></span><<span class="type"><a href="qstring.html">QString</a></span>, <span class="type">QVariant</span>> & QVariant::<span class="name">asMap</span> ()</h3> <p>Use <a href="qvariant.html#toMap">toMap</a>() instead.</p> <!-- @@@asMap --> <!-- $$$asPoint[overload1]$$$asPoint --> <h3 class="fn"><a name="asPoint"></a><span class="type"><a href="qpoint.html">QPoint</a></span> & QVariant::<span class="name">asPoint</span> ()</h3> <p>Use <a href="qvariant.html#toPoint">toPoint</a>() instead.</p> <!-- @@@asPoint --> <!-- $$$asRect[overload1]$$$asRect --> <h3 class="fn"><a name="asRect"></a><span class="type"><a href="qrect.html">QRect</a></span> & QVariant::<span class="name">asRect</span> ()</h3> <p>Use <a href="qvariant.html#toRect">toRect</a>() instead.</p> <!-- @@@asRect --> <!-- $$$asSize[overload1]$$$asSize --> <h3 class="fn"><a name="asSize"></a><span class="type"><a href="qsize.html">QSize</a></span> & QVariant::<span class="name">asSize</span> ()</h3> <p>Use <a href="qvariant.html#toSize">toSize</a>() instead.</p> <!-- @@@asSize --> <!-- $$$asString[overload1]$$$asString --> <h3 class="fn"><a name="asString"></a><span class="type"><a href="qstring.html">QString</a></span> & QVariant::<span class="name">asString</span> ()</h3> <p>Use <a href="qvariant.html#toString">toString</a>() instead.</p> <!-- @@@asString --> <!-- $$$asStringList[overload1]$$$asStringList --> <h3 class="fn"><a name="asStringList"></a><span class="type"><a href="qstringlist.html">QStringList</a></span> & QVariant::<span class="name">asStringList</span> ()</h3> <p>Use <a href="qvariant.html#toStringList">toStringList</a>() instead.</p> <!-- @@@asStringList --> <!-- $$$asTime[overload1]$$$asTime --> <h3 class="fn"><a name="asTime"></a><span class="type"><a href="qtime.html">QTime</a></span> & QVariant::<span class="name">asTime</span> ()</h3> <p>Use <a href="qvariant.html#toTime">toTime</a>() instead.</p> <!-- @@@asTime --> <!-- $$$asUInt[overload1]$$$asUInt --> <h3 class="fn"><a name="asUInt"></a><span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> & QVariant::<span class="name">asUInt</span> ()</h3> <p>Use <a href="qvariant.html#toUInt">toUInt</a>() instead.</p> <!-- @@@asUInt --> <!-- $$$asULongLong[overload1]$$$asULongLong --> <h3 class="fn"><a name="asULongLong"></a><span class="type"><a href="qtglobal.html#qulonglong-typedef">qulonglong</a></span> & QVariant::<span class="name">asULongLong</span> ()</h3> <p>Use <a href="qvariant.html#toULongLong">toULongLong</a>() instead.</p> <!-- @@@asULongLong --> <!-- $$$canCast[overload1]$$$canCastType --> <h3 class="fn"><a name="canCast"></a><span class="type">bool</span> QVariant::<span class="name">canCast</span> ( <span class="type"><a href="qvariant.html#Type-enum">Type</a></span> <i>t</i> ) const</h3> <p>Use <a href="qvariant.html#canConvert">canConvert</a>() instead.</p> <!-- @@@canCast --> <!-- $$$cast[overload1]$$$castType --> <h3 class="fn"><a name="cast"></a><span class="type">bool</span> QVariant::<span class="name">cast</span> ( <span class="type"><a href="qvariant.html#Type-enum">Type</a></span> <i>t</i> )</h3> <p>Use <a href="qvariant.html#convert">convert</a>() instead.</p> <!-- @@@cast --> <!-- $$$toCString[overload1]$$$toCString --> <h3 class="fn"><a name="toCString"></a>const <span class="type"><a href="qbytearray.html">QByteArray</a></span> QVariant::<span class="name">toCString</span> () const</h3> <p>Use <a href="qvariant.html#toByteArray">toByteArray</a>() instead.</p> <!-- @@@toCString --> <h2>Related Non-Members</h2> <!-- $$$qVariantCanConvert[overload1]$$$qVariantCanConvertconstQVariant& --> <h3 class="fn"><a name="qVariantCanConvert"></a><span class="type">bool</span> <span class="name">qVariantCanConvert</span> ( const <span class="type">QVariant</span> & <i>value</i> )</h3> <p>Returns true if the given <i>value</i> can be converted to the template type specified; otherwise returns false.</p> <p>This function is equivalent to QVariant::canConvert(<i>value</i>).</p> <p><b>Note:</b> This function was provided as a workaround for MSVC 6 which did not support member template functions. It is advised to use the other form in new code.</p> <p><b>See also </b><a href="qvariant.html#canConvert">QVariant::canConvert</a>().</p> <!-- @@@qVariantCanConvert --> <!-- $$$qVariantValue[overload1]$$$qVariantValueconstQVariant& --> <h3 class="fn"><a name="qVariantValue"></a><span class="type">T</span> <span class="name">qVariantValue</span> ( const <span class="type">QVariant</span> & <i>value</i> )</h3> <p>Returns the given <i>value</i> converted to the template type <tt>T</tt>.</p> <p>This function is equivalent to <a href="qvariant.html#value">QVariant::value</a><T>(<i>value</i>).</p> <p><b>Note:</b> This function was provided as a workaround for MSVC 6 which did not support member template functions. It is advised to use the other form in new code.</p> <p><b>See also </b><a href="qvariant.html#value">QVariant::value</a>() and <a href="qvariant.html#qvariant_cast">qvariant_cast</a>().</p> <!-- @@@qVariantValue --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countries worldwide. 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