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    <a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a>
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<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#namespaces">Namespaces</a></li>
<li class="level1"><a href="#classes">Classes</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QtCore Module</h1>
<span class="subtitle"></span>
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<p>The QtCore module contains core non-GUI functionality. <a href="#details">More...</a></p>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qt.html">Qt</a></p></td><td class="tblDescr"><p>Contains miscellaneous identifiers used throughout the Qt library</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qtconcurrent-exception.html">QtConcurrent::Exception</a></p></td><td class="tblDescr"><p>Base class for exceptions that can transferred across threads</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qatomicint.html">QAtomicInt</a></p></td><td class="tblDescr"><p>Platform-independent atomic operations on integers</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qatomicpointer.html">QAtomicPointer</a></p></td><td class="tblDescr"><p>Template class that provides platform-independent atomic operations on pointers</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qbasictimer.html">QBasicTimer</a></p></td><td class="tblDescr"><p>Timer events for objects</p></td></tr>
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<tr class="even topAlign"><td class="tblName"><p><a href="qchildevent.html">QChildEvent</a></p></td><td class="tblDescr"><p>Contains event parameters for child object events</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qcoreapplication.html">QCoreApplication</a></p></td><td class="tblDescr"><p>Event loop for console Qt applications</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qcryptographichash.html">QCryptographicHash</a></p></td><td class="tblDescr"><p>Way to generate cryptographic hashes</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qcustomevent.html" class="compat">QCustomEvent</a></p></td><td class="tblDescr"><p>Support for custom events</p></td></tr>
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<tr class="even topAlign"><td class="tblName"><p><a href="qdynamicpropertychangeevent.html">QDynamicPropertyChangeEvent</a></p></td><td class="tblDescr"><p>Contains event parameters for dynamic property change events</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qeasingcurve.html">QEasingCurve</a></p></td><td class="tblDescr"><p>Easing curves for controlling animation</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qevent.html">QEvent</a></p></td><td class="tblDescr"><p>The base class of all event classes. Event objects contain event parameters</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qeventtransition.html">QEventTransition</a></p></td><td class="tblDescr"><p>QObject-specific transition for Qt events</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qfinalstate.html">QFinalState</a></p></td><td class="tblDescr"><p>Final state</p></td></tr>
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<tr class="even topAlign"><td class="tblName"><p><a href="qgenericargument.html">QGenericArgument</a></p></td><td class="tblDescr"><p>Internal helper class for marshalling arguments</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qgenericreturnargument.html">QGenericReturnArgument</a></p></td><td class="tblDescr"><p>Internal helper class for marshalling arguments</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qhash.html">QHash</a></p></td><td class="tblDescr"><p>Template class that provides a hash-table-based dictionary</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qhashiterator.html">QHashIterator</a></p></td><td class="tblDescr"><p>Java-style const iterator for QHash and QMultiHash</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qiodevice.html">QIODevice</a></p></td><td class="tblDescr"><p>The base interface class of all I/O devices in Qt</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qlatin1char.html">QLatin1Char</a></p></td><td class="tblDescr"><p>8-bit ASCII/Latin-1 character</p></td></tr>
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<tr class="even topAlign"><td class="tblName"><p><a href="qlinkedlist.html">QLinkedList</a></p></td><td class="tblDescr"><p>Template class that provides linked lists</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qlinkedlistiterator.html">QLinkedListIterator</a></p></td><td class="tblDescr"><p>Java-style const iterator for QLinkedList</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qlist.html">QList</a></p></td><td class="tblDescr"><p>Template class that provides lists</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qlistiterator.html">QListIterator</a></p></td><td class="tblDescr"><p>Java-style const iterator for QList and QQueue</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qlocale.html">QLocale</a></p></td><td class="tblDescr"><p>Converts between numbers and their string representations in various languages</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmap.html">QMap</a></p></td><td class="tblDescr"><p>Template class that provides a skip-list-based dictionary</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmapiterator.html">QMapIterator</a></p></td><td class="tblDescr"><p>Java-style const iterator for QMap and QMultiMap</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmargins.html">QMargins</a></p></td><td class="tblDescr"><p>Defines the four margins of a rectangle</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmetaclassinfo.html">QMetaClassInfo</a></p></td><td class="tblDescr"><p>Additional information about a class</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmetaenum.html">QMetaEnum</a></p></td><td class="tblDescr"><p>Meta-data about an enumerator</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qmetaobject.html">QMetaObject</a></p></td><td class="tblDescr"><p>Contains meta-information about Qt objects</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmetaproperty.html">QMetaProperty</a></p></td><td class="tblDescr"><p>Meta-data about a property</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qmodelindex.html">QModelIndex</a></p></td><td class="tblDescr"><p>Used to locate data in a data model</p></td></tr>
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<tr class="odd topAlign"><td class="tblName"><p><a href="qmultimap.html">QMultiMap</a></p></td><td class="tblDescr"><p>Convenience QMap subclass that provides multi-valued maps</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmutablehashiterator.html">QMutableHashIterator</a></p></td><td class="tblDescr"><p>Java-style non-const iterator for QHash and QMultiHash</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmutablelinkedlistiterator.html">QMutableLinkedListIterator</a></p></td><td class="tblDescr"><p>Java-style non-const iterator for QLinkedList</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmutablelistiterator.html">QMutableListIterator</a></p></td><td class="tblDescr"><p>Java-style non-const iterator for QList and QQueue</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmutablemapiterator.html">QMutableMapIterator</a></p></td><td class="tblDescr"><p>Java-style non-const iterator for QMap and QMultiMap</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmutablesetiterator.html">QMutableSetIterator</a></p></td><td class="tblDescr"><p>Java-style non-const iterator for QSet</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmutablevectoriterator.html">QMutableVectorIterator</a></p></td><td class="tblDescr"><p>Java-style non-const iterator for QVector and QStack</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qmutex.html">QMutex</a></p></td><td class="tblDescr"><p>Access serialization between threads</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qmutexlocker.html">QMutexLocker</a></p></td><td class="tblDescr"><p>Convenience class that simplifies locking and unlocking mutexes</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qobject.html">QObject</a></p></td><td class="tblDescr"><p>The base class of all Qt objects</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qobjectcleanuphandler.html">QObjectCleanupHandler</a></p></td><td class="tblDescr"><p>Watches the lifetime of multiple QObjects</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qpair.html">QPair</a></p></td><td class="tblDescr"><p>Template class that stores a pair of items</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qparallelanimationgroup.html">QParallelAnimationGroup</a></p></td><td class="tblDescr"><p>Parallel group of animations</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qpauseanimation.html">QPauseAnimation</a></p></td><td class="tblDescr"><p>Pause for QSequentialAnimationGroup</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qpersistentmodelindex.html">QPersistentModelIndex</a></p></td><td class="tblDescr"><p>Used to locate data in a data model</p></td></tr>
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<tr class="even topAlign"><td class="tblName"><p><a href="qpointf.html">QPointF</a></p></td><td class="tblDescr"><p>Defines a point in the plane using floating point precision</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qpointer.html">QPointer</a></p></td><td class="tblDescr"><p>Template class that provides guarded pointers to QObject</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qprocess.html">QProcess</a></p></td><td class="tblDescr"><p>Used to start external programs and to communicate with them</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qprocessenvironment.html">QProcessEnvironment</a></p></td><td class="tblDescr"><p>Holds the environment variables that can be passed to a program</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qpropertyanimation.html">QPropertyAnimation</a></p></td><td class="tblDescr"><p>Animates Qt properties</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qqueue.html">QQueue</a></p></td><td class="tblDescr"><p>Generic container that provides a queue</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qreadlocker.html">QReadLocker</a></p></td><td class="tblDescr"><p>Convenience class that simplifies locking and unlocking read-write locks for read access</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qreadwritelock.html">QReadWriteLock</a></p></td><td class="tblDescr"><p>Read-write locking</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qrect.html">QRect</a></p></td><td class="tblDescr"><p>Defines a rectangle in the plane using integer precision</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qrectf.html">QRectF</a></p></td><td class="tblDescr"><p>Defines a rectangle in the plane using floating point precision</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qregexp.html">QRegExp</a></p></td><td class="tblDescr"><p>Pattern matching using regular expressions</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qresource.html">QResource</a></p></td><td class="tblDescr"><p>Interface for reading directly from resources</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qrunnable.html">QRunnable</a></p></td><td class="tblDescr"><p>The base class for all runnable objects</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qscopedarraypointer.html">QScopedArrayPointer</a></p></td><td class="tblDescr"><p>Stores a pointer to a dynamically allocated array of objects, and deletes it upon destruction</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qscopedpointer.html">QScopedPointer</a></p></td><td class="tblDescr"><p>Stores a pointer to a dynamically allocated object, and deletes it upon destruction</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qscopedvaluerollback.html">QScopedValueRollback</a></p></td><td class="tblDescr"><p>Resets a variable to its previous value on destruction</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsemaphore.html">QSemaphore</a></p></td><td class="tblDescr"><p>General counting semaphore</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsequentialanimationgroup.html">QSequentialAnimationGroup</a></p></td><td class="tblDescr"><p>Sequential group of animations</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qset.html">QSet</a></p></td><td class="tblDescr"><p>Template class that provides a hash-table-based set</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsetiterator.html">QSetIterator</a></p></td><td class="tblDescr"><p>Java-style const iterator for QSet</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsettings.html">QSettings</a></p></td><td class="tblDescr"><p>Persistent platform-independent application settings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qshareddata.html">QSharedData</a></p></td><td class="tblDescr"><p>Base class for shared data objects</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qshareddatapointer.html">QSharedDataPointer</a></p></td><td class="tblDescr"><p>Represents a pointer to an implicitly shared object</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsharedmemory.html">QSharedMemory</a></p></td><td class="tblDescr"><p>Access to a shared memory segment</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsharedpointer.html">QSharedPointer</a></p></td><td class="tblDescr"><p>Holds a strong reference to a shared pointer</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsignalmapper.html">QSignalMapper</a></p></td><td class="tblDescr"><p>Bundles signals from identifiable senders</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsignaltransition.html">QSignalTransition</a></p></td><td class="tblDescr"><p>Transition based on a Qt signal</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsize.html">QSize</a></p></td><td class="tblDescr"><p>Defines the size of a two-dimensional object using integer point precision</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsizef.html">QSizeF</a></p></td><td class="tblDescr"><p>Defines the size of a two-dimensional object using floating point precision</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsocketnotifier.html">QSocketNotifier</a></p></td><td class="tblDescr"><p>Support for monitoring activity on a file descriptor</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qstack.html">QStack</a></p></td><td class="tblDescr"><p>Template class that provides a stack</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qstate.html">QState</a></p></td><td class="tblDescr"><p>General-purpose state for QStateMachine</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qstatemachine.html">QStateMachine</a></p></td><td class="tblDescr"><p>Hierarchical finite state machine</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qstring.html">QString</a></p></td><td class="tblDescr"><p>Unicode character string</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qstringlist.html">QStringList</a></p></td><td class="tblDescr"><p>List of strings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qstringmatcher.html">QStringMatcher</a></p></td><td class="tblDescr"><p>Holds a sequence of characters that can be quickly matched in a Unicode string</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qstringref.html">QStringRef</a></p></td><td class="tblDescr"><p>Thin wrapper around QString substrings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsysinfo.html">QSysInfo</a></p></td><td class="tblDescr"><p>Information about the system</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qsystemlocale.html">QSystemLocale</a></p></td><td class="tblDescr"><p>Can be used to finetune the system locale of the user</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qsystemsemaphore.html">QSystemSemaphore</a></p></td><td class="tblDescr"><p>General counting system semaphore</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtemporaryfile.html">QTemporaryFile</a></p></td><td class="tblDescr"><p>I/O device that operates on temporary files</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtextboundaryfinder.html">QTextBoundaryFinder</a></p></td><td class="tblDescr"><p>Way of finding Unicode text boundaries in a string</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtextcodec.html">QTextCodec</a></p></td><td class="tblDescr"><p>Conversions between text encodings</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtextcodecplugin.html">QTextCodecPlugin</a></p></td><td class="tblDescr"><p>Abstract base for custom QTextCodec plugins</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtextdecoder.html">QTextDecoder</a></p></td><td class="tblDescr"><p>State-based decoder</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtextencoder.html">QTextEncoder</a></p></td><td class="tblDescr"><p>State-based encoder</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtextistream.html" class="compat">QTextIStream</a></p></td><td class="tblDescr"><p>Convenience class for input streams</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtextostream.html" class="compat">QTextOStream</a></p></td><td class="tblDescr"><p>Convenience class for output streams</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtextstream.html">QTextStream</a></p></td><td class="tblDescr"><p>Convenient interface for reading and writing text</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qthread.html">QThread</a></p></td><td class="tblDescr"><p>Platform-independent threads</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qthreadpool.html">QThreadPool</a></p></td><td class="tblDescr"><p>Manages a collection of QThreads</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qthreadstorage.html">QThreadStorage</a></p></td><td class="tblDescr"><p>Per-thread data storage</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtime.html">QTime</a></p></td><td class="tblDescr"><p>Clock time functions</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtimeline.html">QTimeLine</a></p></td><td class="tblDescr"><p>Timeline for controlling animations</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtimer.html">QTimer</a></p></td><td class="tblDescr"><p>Repetitive and single-shot timers</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtimerevent.html">QTimerEvent</a></p></td><td class="tblDescr"><p>Contains parameters that describe a timer event</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qtranslator.html">QTranslator</a></p></td><td class="tblDescr"><p>Internationalization support for text output</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qurl.html">QUrl</a></p></td><td class="tblDescr"><p>Convenient interface for working with URLs</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="quuid.html">QUuid</a></p></td><td class="tblDescr"><p>Stores a Universally Unique Identifier (UUID)</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvarlengtharray.html">QVarLengthArray</a></p></td><td class="tblDescr"><p>Low-level variable-length array</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qvariant.html">QVariant</a></p></td><td class="tblDescr"><p>Acts like a union for the most common Qt data types</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvariantanimation.html">QVariantAnimation</a></p></td><td class="tblDescr"><p>Abstract base class for animations</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qvector.html">QVector</a></p></td><td class="tblDescr"><p>Template class that provides a dynamic array</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qvectoriterator.html">QVectorIterator</a></p></td><td class="tblDescr"><p>Java-style const iterator for QVector and QStack</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qwaitcondition.html">QWaitCondition</a></p></td><td class="tblDescr"><p>Condition variable for synchronizing threads</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qweakpointer.html">QWeakPointer</a></p></td><td class="tblDescr"><p>Holds a weak reference to a shared pointer</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qwritelocker.html">QWriteLocker</a></p></td><td class="tblDescr"><p>Convenience class that simplifies locking and unlocking read-write locks for write access</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qxmlstreamattribute.html">QXmlStreamAttribute</a></p></td><td class="tblDescr"><p>Represents a single XML attribute</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qxmlstreamattributes.html">QXmlStreamAttributes</a></p></td><td class="tblDescr"><p>Represents a vector of QXmlStreamAttribute</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qxmlstreamentitydeclaration.html">QXmlStreamEntityDeclaration</a></p></td><td class="tblDescr"><p>Represents a DTD entity declaration</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qxmlstreamentityresolver.html">QXmlStreamEntityResolver</a></p></td><td class="tblDescr"><p>Entity resolver for a QXmlStreamReader</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qxmlstreamnamespacedeclaration.html">QXmlStreamNamespaceDeclaration</a></p></td><td class="tblDescr"><p>Represents a namespace declaration</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qxmlstreamnotationdeclaration.html">QXmlStreamNotationDeclaration</a></p></td><td class="tblDescr"><p>Represents a DTD notation declaration</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qxmlstreamreader.html">QXmlStreamReader</a></p></td><td class="tblDescr"><p>Fast parser for reading well-formed XML via a simple streaming API</p></td></tr>
<tr class="even topAlign"><td class="tblName"><p><a href="qxmlstreamwriter.html">QXmlStreamWriter</a></p></td><td class="tblDescr"><p>XML writer with a simple streaming API</p></td></tr>
<tr class="odd topAlign"><td class="tblName"><p><a href="qtconcurrent-unhandledexception.html">QtConcurrent::UnhandledException</a></p></td><td class="tblDescr"><p>Represents an unhandled exception in a worker thread</p></td></tr>
</table>
<!-- $$$QtCore-description -->
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<h2>Detailed Description</h2>
<a name="qtcore"></a><p>All other Qt modules rely on this module. To include the definitions of the module's classes, use the following directive:</p>
<pre class="cpp"> <span class="preprocessor">#include &lt;QtCore&gt;</span></pre>
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