loplugin:nullptr (automatic rewrite)

Change-Id: Ic67c3138ca66c6b6d6fcf76b09d4581e23f51f8d

52 files changed, 251 insertions, 251 deletions

diff --git a/forms/source/component/Button.cxx b/forms/source/component/Button.cxx
index a4c88e2ef9ea..e22590701608 100644
--- a/forms/source/component/Button.cxx
+++ b/forms/source/component/Button.cxx
@@ -353,7 +353,7 @@ css::uno::Sequence<OUString>  OButtonControl::getSupportedServiceNames() throw(s
 OButtonControl::OButtonControl(const Reference<XComponentContext>& _rxFactory)
                  :OClickableImageBaseControl(_rxFactory, VCL_CONTROL_COMMANDBUTTON)
                  ,OFormNavigationHelper( _rxFactory )
-                 ,m_nClickEvent( 0 )
+                 ,m_nClickEvent( nullptr )
                  ,m_nTargetUrlFeatureId( -1 )
                  ,m_bEnabledByPropertyValue( false )
 {
@@ -426,7 +426,7 @@ void OButtonControl::actionPerformed(const ActionEvent& /*rEvent*/) throw ( css:
 IMPL_LINK_NOARG_TYPED(OButtonControl, OnClick, void*, void)
 {
     ::osl::ClearableMutexGuard aGuard( m_aMutex );
-    m_nClickEvent = 0;
+    m_nClickEvent = nullptr;
 
     if (m_aApproveActionListeners.getLength())
     {
diff --git a/forms/source/component/ComboBox.cxx b/forms/source/component/ComboBox.cxx
index 19916a4c2cf1..bbb7da042884 100644
--- a/forms/source/component/ComboBox.cxx
+++ b/forms/source/component/ComboBox.cxx
@@ -166,7 +166,7 @@ void OComboBoxModel::disposing()
     OBoundControlModel::disposing();
     OEntryListHelper::disposing();
     OErrorBroadcaster::disposing();
-    m_xFormatter = NULL;
+    m_xFormatter = nullptr;
 }
 
 
diff --git a/forms/source/component/DatabaseForm.cxx b/forms/source/component/DatabaseForm.cxx
index c169d0ea7deb..0c0b3470f4d8 100644
--- a/forms/source/component/DatabaseForm.cxx
+++ b/forms/source/component/DatabaseForm.cxx
@@ -261,12 +261,12 @@ ODatabaseForm::ODatabaseForm(const Reference<XComponentContext>& _rxContext)
     ,m_aErrorListeners(m_aMutex)
     ,m_aResetListeners( *this, m_aMutex )
     ,m_aPropertyBagHelper( *this )
-    ,m_pAggregatePropertyMultiplexer(NULL)
-    ,m_pGroupManager( NULL )
+    ,m_pAggregatePropertyMultiplexer(nullptr)
+    ,m_pGroupManager( nullptr )
     ,m_aParameterManager( m_aMutex, _rxContext )
     ,m_aFilterManager()
-    ,m_pLoadTimer(NULL)
-    ,m_pThread(NULL)
+    ,m_pLoadTimer(nullptr)
+    ,m_pThread(nullptr)
     ,m_nResetsPending(0)
     ,m_nPrivileges(0)
     ,m_bInsertOnly( false )
@@ -300,12 +300,12 @@ ODatabaseForm::ODatabaseForm( const ODatabaseForm& _cloneSource )
     ,m_aErrorListeners( m_aMutex )
     ,m_aResetListeners( *this, m_aMutex )
     ,m_aPropertyBagHelper( *this )
-    ,m_pAggregatePropertyMultiplexer( NULL )
-    ,m_pGroupManager( NULL )
+    ,m_pAggregatePropertyMultiplexer( nullptr )
+    ,m_pGroupManager( nullptr )
     ,m_aParameterManager( m_aMutex, _cloneSource.m_xContext )
     ,m_aFilterManager()
-    ,m_pLoadTimer( NULL )
-    ,m_pThread( NULL )
+    ,m_pLoadTimer( nullptr )
+    ,m_pThread( nullptr )
     ,m_nResetsPending( 0 )
     ,m_nPrivileges( 0 )
     ,m_bInsertOnly( _cloneSource.m_bInsertOnly )
@@ -433,18 +433,18 @@ ODatabaseForm::~ODatabaseForm()
 {
 
     m_pGroupManager->release();
-    m_pGroupManager = NULL;
+    m_pGroupManager = nullptr;
 
     if (m_xAggregate.is())
-        m_xAggregate->setDelegator( NULL );
+        m_xAggregate->setDelegator( nullptr );
 
-    m_aWarnings.setExternalWarnings( NULL );
+    m_aWarnings.setExternalWarnings( nullptr );
 
     if (m_pAggregatePropertyMultiplexer)
     {
         m_pAggregatePropertyMultiplexer->dispose();
         m_pAggregatePropertyMultiplexer->release();
-        m_pAggregatePropertyMultiplexer = NULL;
+        m_pAggregatePropertyMultiplexer = nullptr;
     }
 }
 
@@ -1018,7 +1018,7 @@ bool ODatabaseForm::InsertFilePart( INetMIMEMessage& rParent, const OUString& rN
 {
     OUString aFileName(rFileName);
     OUString aContentType(CONTENT_TYPE_STR_TEXT_PLAIN);
-    SvStream *pStream = 0;
+    SvStream *pStream = nullptr;
 
     if (!aFileName.isEmpty())
     {
@@ -1033,7 +1033,7 @@ bool ODatabaseForm::InsertFilePart( INetMIMEMessage& rParent, const OUString& rN
             if (!pStream || (pStream->GetError() != ERRCODE_NONE))
             {
                 delete pStream;
-                pStream = 0;
+                pStream = nullptr;
             }
             sal_Int32 nSepInd = aFileName.lastIndexOf('.');
             OUString aExtension = aFileName.copy( nSepInd + 1, aFileName.getLength() - nSepInd - 1 );
@@ -1284,7 +1284,7 @@ void ODatabaseForm::disposing()
         if (m_pThread)
         {
             m_pThread->release();
-            m_pThread = NULL;
+            m_pThread = nullptr;
         }
     }
 
@@ -2559,7 +2559,7 @@ void SAL_CALL ODatabaseForm::disposing(const EventObject& Source) throw( Runtime
 
 void ODatabaseForm::impl_createLoadTimer()
 {
-    OSL_PRECOND( m_pLoadTimer == NULL, "ODatabaseForm::impl_createLoadTimer: timer already exists!" );
+    OSL_PRECOND( m_pLoadTimer == nullptr, "ODatabaseForm::impl_createLoadTimer: timer already exists!" );
     m_pLoadTimer = new Timer();
     m_pLoadTimer->SetTimeout(100);
     m_pLoadTimer->SetTimeoutHdl(LINK(this,ODatabaseForm,OnTimeout));
diff --git a/forms/source/component/Edit.cxx b/forms/source/component/Edit.cxx
index e9fac0fe6b0f..2ed97bc19f24 100644
--- a/forms/source/component/Edit.cxx
+++ b/forms/source/component/Edit.cxx
@@ -85,7 +85,7 @@ Any SAL_CALL OEditControl::queryAggregation(const Type& _rType) throw (RuntimeEx
 OEditControl::OEditControl(const Reference<XComponentContext>& _rxFactory)
                :OBoundControl( _rxFactory, FRM_SUN_CONTROL_RICHTEXTCONTROL )
                ,m_aChangeListeners(m_aMutex)
-               ,m_nKeyEvent( 0 )
+               ,m_nKeyEvent( nullptr )
 {
 
     osl_atomic_increment(&m_refCount);
@@ -249,7 +249,7 @@ void OEditControl::keyReleased(const css::awt::KeyEvent& /*e*/) throw ( css::uno
 
 IMPL_LINK_NOARG_TYPED(OEditControl, OnKeyPressed, void*, void)
 {
-    m_nKeyEvent = 0;
+    m_nKeyEvent = nullptr;
 
     Reference<XFormComponent>  xFComp(getModel(), UNO_QUERY);
     css::uno::Reference<css::uno::XInterface>  xParent = xFComp->getParent();
diff --git a/forms/source/component/EventThread.cxx b/forms/source/component/EventThread.cxx
index 669c1a0db5e1..7de4e876694b 100644
--- a/forms/source/component/EventThread.cxx
+++ b/forms/source/component/EventThread.cxx
@@ -101,8 +101,8 @@ void OComponentEventThread::disposing( const EventObject& evt ) throw ( css::uno
 
         // Free the Control and set pCompImpl to 0,
         // so that the thread knows, that it should terminate.
-        m_xComp = 0;
-        m_pCompImpl = 0;
+        m_xComp = nullptr;
+        m_pCompImpl = nullptr;
 
         // Wake up the thread and terminate
         m_aCond.set();
diff --git a/forms/source/component/Filter.cxx b/forms/source/component/Filter.cxx
index 720750a37eef..e23009b6fd6f 100644
--- a/forms/source/component/Filter.cxx
+++ b/forms/source/component/Filter.cxx
@@ -759,8 +759,8 @@ namespace frm
 
         PropertyValue aProp;
         NamedValue aValue;
-        const OUString* pName = NULL;
-        const Any* pValue = NULL;
+        const OUString* pName = nullptr;
+        const Any* pValue = nullptr;
         Reference< XPropertySet > xControlModel;
 
         if (aArguments.getLength() == 3
diff --git a/forms/source/component/FormComponent.cxx b/forms/source/component/FormComponent.cxx
index 9f0bceb66622..5bcf79e1f1ae 100644
--- a/forms/source/component/FormComponent.cxx
+++ b/forms/source/component/FormComponent.cxx
@@ -141,7 +141,7 @@ OControl::~OControl()
 void OControl::doResetDelegator()
 {
     if ( m_xAggregate.is() )
-        m_xAggregate->setDelegator( NULL );
+        m_xAggregate->setDelegator( nullptr );
 }
 
 void OControl::doSetDelegator()
@@ -199,7 +199,7 @@ void OControl::disposing()
 {
     OComponentHelper::disposing();
 
-    m_aWindowStateGuard.attach( NULL, NULL );
+    m_aWindowStateGuard.attach( nullptr, nullptr );
 
     Reference< XComponent > xComp;
     if (query_aggregation(m_xAggregate, xComp))
@@ -599,7 +599,7 @@ void OControlModel::clonedFrom( const OControlModel* /*_pOriginal*/ )
 void OControlModel::doResetDelegator()
 {
     if (m_xAggregate.is())
-        m_xAggregate->setDelegator(NULL);
+        m_xAggregate->setDelegator(nullptr);
 }
 
 void OControlModel::doSetDelegator()
@@ -708,7 +708,7 @@ void SAL_CALL OControlModel::disposing(const css::lang::EventObject& _rSource) t
     if (_rSource.Source == m_xParent)
     {
         osl::MutexGuard aGuard(m_aMutex);
-        m_xParent = NULL;
+        m_xParent = nullptr;
     }
     else
     {
@@ -1159,7 +1159,7 @@ OBoundControlModel::OBoundControlModel(
     ,m_aUpdateListeners(m_aMutex)
     ,m_aFormComponentListeners( m_aMutex )
     ,m_bInputRequired( true )
-    ,m_pAggPropMultiplexer( NULL )
+    ,m_pAggPropMultiplexer( nullptr )
     ,m_bFormListening( false )
     ,m_bLoaded(false)
     ,m_bRequired(false)
@@ -1192,7 +1192,7 @@ OBoundControlModel::OBoundControlModel(
     ,m_aFormComponentListeners( m_aMutex )
     ,m_xValidator( _pOriginal->m_xValidator )
     ,m_bInputRequired( true )
-    ,m_pAggPropMultiplexer( NULL )
+    ,m_pAggPropMultiplexer( nullptr )
     ,m_bFormListening( false )
     ,m_bLoaded( false )
     ,m_bRequired( false )
@@ -1237,7 +1237,7 @@ OBoundControlModel::~OBoundControlModel()
     {
         m_pAggPropMultiplexer->dispose();
         m_pAggPropMultiplexer->release();
-        m_pAggPropMultiplexer = NULL;
+        m_pAggPropMultiplexer = nullptr;
     }
 }
 
@@ -1384,7 +1384,7 @@ void OBoundControlModel::disposing()
         resetField();
     }
 
-    m_xCursor = NULL;
+    m_xCursor = nullptr;
     Reference< XComponent > xComp( m_xLabelControl, UNO_QUERY );
     if ( xComp.is() )
         xComp->removeEventListener(static_cast< XEventListener* >( static_cast< XPropertyChangeListener* >( this ) ) );
@@ -1504,7 +1504,7 @@ void SAL_CALL OBoundControlModel::disposing(const css::lang::EventObject& _rEven
     else if ( _rEvent.Source == m_xLabelControl )
     {
         Reference<XPropertySet> xOldValue = m_xLabelControl;
-        m_xLabelControl = NULL;
+        m_xLabelControl = nullptr;
         // fire a propertyChanged (when we leave aLock's scope)
         aLock.addPropertyNotification( PROPERTY_ID_CONTROLLABEL, makeAny( xOldValue ), makeAny( m_xLabelControl ) );
     }
@@ -1566,7 +1566,7 @@ void OBoundControlModel::defaultCommonProperties()
     Reference<css::lang::XComponent> xComp(m_xLabelControl, UNO_QUERY);
     if (xComp.is())
         xComp->removeEventListener(static_cast<css::lang::XEventListener*>(static_cast<XPropertyChangeListener*>(this)));
-    m_xLabelControl = NULL;
+    m_xLabelControl = nullptr;
 }
 
 void OBoundControlModel::readCommonProperties(const Reference<css::io::XObjectInputStream>& _rxInStream)
@@ -1734,7 +1734,7 @@ void OBoundControlModel::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, co
                 Reference< XComponent > xComp( m_xLabelControl, UNO_QUERY );
                 if ( xComp.is() )
                     xComp->removeEventListener( static_cast< XPropertyChangeListener* >( this ) );
-                m_xLabelControl = NULL;
+                m_xLabelControl = nullptr;
                 break;
             }
 
@@ -1963,7 +1963,7 @@ bool OBoundControlModel::connectToField(const Reference<XRowSet>& rForm)
             }
 
             else
-                impl_setField_noNotify( NULL );
+                impl_setField_noNotify( nullptr );
             if ( m_xField.is() )
             {
                 if ( m_xField->getPropertySetInfo()->hasPropertyByName( PROPERTY_VALUE ) )
@@ -1981,7 +1981,7 @@ bool OBoundControlModel::connectToField(const Reference<XRowSet>& rForm)
                 else
                 {
                     SAL_WARN("forms.component", "OBoundControlModel::connectToField: property " PROPERTY_VALUE " not supported!");
-                    impl_setField_noNotify( NULL );
+                    impl_setField_noNotify( nullptr );
                 }
 
             }
@@ -2076,7 +2076,7 @@ void OBoundControlModel::impl_disconnectDatabaseColumn_noNotify()
         resetField();
     }
 
-    m_xCursor = NULL;
+    m_xCursor = nullptr;
     m_bLoaded = false;
 }
 
@@ -2634,7 +2634,7 @@ Any OBoundControlModel::translateExternalValueToControlValue( const Any& _rExter
     // if the external value is VOID, and our value property is not allowed to be VOID,
     // then default-construct a value
     if ( !aControlValue.hasValue() && !m_bValuePropertyMayBeVoid )
-        aControlValue.setValue( NULL, m_aValuePropertyType );
+        aControlValue.setValue( nullptr, m_aValuePropertyType );
     // out of here
     return aControlValue;
 }
diff --git a/forms/source/component/FormattedField.cxx b/forms/source/component/FormattedField.cxx
index 4c4068e0cc50..f27f31e46f44 100644
--- a/forms/source/component/FormattedField.cxx
+++ b/forms/source/component/FormattedField.cxx
@@ -138,7 +138,7 @@ void StandardFormatsSupplier::notifyTermination()
     // earlier than upon unloading the library
     // #i29147#
     s_xDefaultFormatsSupplier = WeakReference< XNumberFormatsSupplier >( );
-    SetNumberFormatter( NULL );
+    SetNumberFormatter( nullptr );
     DELETEZ( m_pMyPrivateFormatter );
 }
 Sequence<Type> OFormattedControl::_getTypes()
@@ -157,7 +157,7 @@ Any SAL_CALL OFormattedControl::queryAggregation(const Type& _rType) throw (Runt
 }
 OFormattedControl::OFormattedControl(const Reference<XComponentContext>& _rxFactory)
                :OBoundControl(_rxFactory, VCL_CONTROL_FORMATTEDFIELD)
-               ,m_nKeyEvent(0)
+               ,m_nKeyEvent(nullptr)
 {
     osl_atomic_increment(&m_refCount);
     {
@@ -235,7 +235,7 @@ void OFormattedControl::keyReleased(const css::awt::KeyEvent& /*e*/) throw ( css
 
 IMPL_LINK_NOARG_TYPED(OFormattedControl, OnKeyPressed, void*, void)
 {
-    m_nKeyEvent = 0;
+    m_nKeyEvent = nullptr;
     Reference<XFormComponent>  xFComp(getModel(), UNO_QUERY);
     css::uno::Reference<css::uno::XInterface>  xParent = xFComp->getParent();
     Reference<XSubmit>  xSubmit(xParent, UNO_QUERY);
@@ -263,7 +263,7 @@ void OFormattedModel::implConstruct()
     // members
     m_bOriginalNumeric = false;
     m_bNumeric = false;
-    m_xOriginalFormatter = NULL;
+    m_xOriginalFormatter = nullptr;
     m_nKeyType = NumberFormat::UNDEFINED;
     m_aNullDate = DBTypeConversion::getStandardDate();
     m_nFieldType =  DataType::OTHER;
@@ -517,7 +517,7 @@ Reference<XNumberFormatsSupplier>  OFormattedModel::calcFormFormatsSupplier() co
     if (!xNextParentForm.is())
     {
         OSL_FAIL("OFormattedModel::calcFormFormatsSupplier : have no ancestor which is a form !");
-        return NULL;
+        return nullptr;
     }
     // The FormatSupplier of my ancestor (if it has one)
     Reference< XRowSet > xRowSet( xNextParentForm, UNO_QUERY );
@@ -549,7 +549,7 @@ void OFormattedModel::loaded(const EventObject& rEvent) throw ( css::uno::Runtim
 
 void OFormattedModel::onConnectedDbColumn( const Reference< XInterface >& _rxForm )
 {
-    m_xOriginalFormatter = NULL;
+    m_xOriginalFormatter = nullptr;
     // get some properties of the field
     m_nFieldType = DataType::OTHER;
     Reference<XPropertySet> xField = getField();
@@ -639,7 +639,7 @@ void OFormattedModel::onDisconnectedDbColumn()
         m_xAggregateSet->setPropertyValue(PROPERTY_FORMATSSUPPLIER, makeAny(m_xOriginalFormatter));
         m_xAggregateSet->setPropertyValue(PROPERTY_FORMATKEY, Any());
         setPropertyValue(PROPERTY_TREATASNUMERIC, makeAny(m_bOriginalNumeric));
-        m_xOriginalFormatter = NULL;
+        m_xOriginalFormatter = nullptr;
     }
     m_nFieldType = DataType::OTHER;
     m_nKeyType   = NumberFormat::UNDEFINED;
diff --git a/forms/source/component/FormsCollection.cxx b/forms/source/component/FormsCollection.cxx
index f5b497e75b4d..7e5bd1b4bf1b 100644
--- a/forms/source/component/FormsCollection.cxx
+++ b/forms/source/component/FormsCollection.cxx
@@ -122,7 +122,7 @@ void OFormsCollection::disposing()
         OInterfaceContainer::disposing();
     }
     FormsCollectionComponentBase::disposing();
-    m_xParent = NULL;
+    m_xParent = nullptr;
 }
 
 //XChild
diff --git a/forms/source/component/Grid.cxx b/forms/source/component/Grid.cxx
index 4d878dfc9293..6b8682371372 100644
--- a/forms/source/component/Grid.cxx
+++ b/forms/source/component/Grid.cxx
@@ -253,7 +253,7 @@ void OGridControlModel::disposing()
     OControlModel::disposing();
     OErrorBroadcaster::disposing();
     OInterfaceContainer::disposing();
-    setParent(NULL);
+    setParent(nullptr);
     EventObject aEvt(static_cast<XWeak*>(this));
     m_aSelectListeners.disposeAndClear(aEvt);
     m_aResetListeners.disposeAndClear(aEvt);
@@ -694,7 +694,7 @@ Any OGridControlModel::getPropertyDefaultByHandle( sal_Int32 nHandle ) const
 
 OGridColumn* OGridControlModel::getColumnImplementation(const css::uno::Reference<css::uno::XInterface>& _rxIFace)
 {
-    OGridColumn* pImplementation = NULL;
+    OGridColumn* pImplementation = nullptr;
     Reference< XUnoTunnel > xUnoTunnel( _rxIFace, UNO_QUERY );
     if ( xUnoTunnel.is() )
         pImplementation = reinterpret_cast<OGridColumn*>(xUnoTunnel->getSomething(OGridColumn::getUnoTunnelImplementationId()));
@@ -785,7 +785,7 @@ void OGridControlModel::write(const Reference<XObjectOutputStream>& _rxOutStream
     {
         // first the service name for the unerlying model
         OGridColumn* pCol = getColumnImplementation(m_aItems[i]);
-        DBG_ASSERT(pCol != NULL, "OGridControlModel::write : such items should never reach it into my container !");
+        DBG_ASSERT(pCol != nullptr, "OGridControlModel::write : such items should never reach it into my container !");
         _rxOutStream << pCol->getModelName();
         // then the object itself
         sal_Int32 nMark = xMark->createMark();
@@ -896,7 +896,7 @@ void OGridControlModel::read(const Reference<XObjectInputStream>& _rxInStream) t
                 xMark->deleteMark(nMark);
             }
             if ( xCol.is() )
-                implInsert( i, xCol, false, NULL, false );
+                implInsert( i, xCol, false, nullptr, false );
         }
     }
     // In the base implementation events are only read, elements in the container exist
diff --git a/forms/source/component/ImageControl.cxx b/forms/source/component/ImageControl.cxx
index f55d01023e19..88f79b4aadd6 100644
--- a/forms/source/component/ImageControl.cxx
+++ b/forms/source/component/ImageControl.cxx
@@ -130,7 +130,7 @@ Sequence<Type> OImageControlModel::_getTypes()
 OImageControlModel::OImageControlModel(const Reference<XComponentContext>& _rxFactory)
     :OBoundControlModel( _rxFactory, VCL_CONTROLMODEL_IMAGECONTROL, FRM_SUN_CONTROL_IMAGECONTROL, false, false, false )
                     // use the old control name for compytibility reasons
-    ,m_pImageProducer( NULL )
+    ,m_pImageProducer( nullptr )
     ,m_bExternalGraphic( true )
     ,m_bReadOnly( false )
     ,m_sImageURL()
@@ -146,7 +146,7 @@ OImageControlModel::OImageControlModel(const Reference<XComponentContext>& _rxFa
 OImageControlModel::OImageControlModel( const OImageControlModel* _pOriginal, const Reference< XComponentContext >& _rxFactory )
     :OBoundControlModel( _pOriginal, _rxFactory )
                 // use the old control name for compytibility reasons
-    ,m_pImageProducer( NULL )
+    ,m_pImageProducer( nullptr )
     ,m_bExternalGraphic( true )
     ,m_bReadOnly( _pOriginal->m_bReadOnly )
     ,m_sImageURL( _pOriginal->m_sImageURL )
@@ -413,7 +413,7 @@ bool OImageControlModel::impl_updateStreamForURL_lck( const OUString& _rURL, Val
     else
     {
         pImageStream.reset( ::utl::UcbStreamHelper::CreateStream( _rURL, StreamMode::READ ) );
-        bool bSetNull = ( pImageStream.get() == NULL ) || ( ERRCODE_NONE != pImageStream->GetErrorCode() );
+        bool bSetNull = ( pImageStream.get() == nullptr ) || ( ERRCODE_NONE != pImageStream->GetErrorCode() );
 
         if ( !bSetNull )
         {
@@ -667,7 +667,7 @@ void SAL_CALL OImageControlModel::startProduction(  ) throw (RuntimeException, s
 
 IMPL_LINK_TYPED( OImageControlModel, OnImageImportDone, ::Graphic*, i_pGraphic, void )
 {
-    const Reference< XGraphic > xGraphic( i_pGraphic != NULL ? Image( i_pGraphic->GetBitmapEx() ).GetXGraphic() : NULL );
+    const Reference< XGraphic > xGraphic( i_pGraphic != nullptr ? Image( i_pGraphic->GetBitmapEx() ).GetXGraphic() : nullptr );
     m_bExternalGraphic = false;
     try
     {
diff --git a/forms/source/component/ListBox.cxx b/forms/source/component/ListBox.cxx
index ca1cb8b6b236..a777b255cf41 100644
--- a/forms/source/component/ListBox.cxx
+++ b/forms/source/component/ListBox.cxx
@@ -436,7 +436,7 @@ namespace frm
     {
         // if both SelectedItems and StringItemList are set, care for this
         // #i27024#
-        const Any* pSelectSequenceValue = NULL;
+        const Any* pSelectSequenceValue = nullptr;
 
         const OUString* pStartPos = _rPropertyNames.getConstArray();
         const OUString* pEndPos   = _rPropertyNames.getConstArray() + _rPropertyNames.getLength();
@@ -1948,7 +1948,7 @@ namespace frm
                 t = m_pItemBroadcaster;
                 m_pItemBroadcaster->removeEventsForProcessor( this );
                 m_pItemBroadcaster->terminate();
-                m_pItemBroadcaster = NULL;
+                m_pItemBroadcaster = nullptr;
             }
         }
         if (t.is()) {
diff --git a/forms/source/component/clickableimage.cxx b/forms/source/component/clickableimage.cxx
index 2e8707ce3180..1d4618846f4e 100644
--- a/forms/source/component/clickableimage.cxx
+++ b/forms/source/component/clickableimage.cxx
@@ -83,7 +83,7 @@ namespace frm
 
     OClickableImageBaseControl::OClickableImageBaseControl(const Reference<XComponentContext>& _rxFactory, const OUString& _aService)
         :OControl(_rxFactory, _aService)
-        ,m_pThread(NULL)
+        ,m_pThread(nullptr)
         ,m_aSubmissionVetoListeners( m_aMutex )
         ,m_aApproveActionListeners( m_aMutex )
         ,m_aActionListeners( m_aMutex )
@@ -153,7 +153,7 @@ namespace frm
             if( m_pThread )
             {
                 m_pThread->release();
-                m_pThread = NULL;
+                m_pThread = nullptr;
             }
         }
 
@@ -367,7 +367,7 @@ namespace frm
 
     void SAL_CALL OClickableImageBaseControl::submit(  ) throw (VetoException, WrappedTargetException, RuntimeException, std::exception)
     {
-        implSubmit( MouseEvent(), NULL );
+        implSubmit( MouseEvent(), nullptr );
     }
 
 
@@ -455,8 +455,8 @@ namespace frm
         :OControlModel( _rxFactory, _rUnoControlModelTypeName, rDefault )
         ,OPropertyChangeListener(m_aMutex)
         ,m_xGraphicObject()
-        ,m_pMedium(NULL)
-        ,m_pProducer( NULL )
+        ,m_pMedium(nullptr)
+        ,m_pProducer( nullptr )
         ,m_bDispatchUrlInternal(false)
         ,m_bDownloading(false)
         ,m_bProdStarted(false)
@@ -470,8 +470,8 @@ namespace frm
         :OControlModel( _pOriginal, _rxFactory )
         ,OPropertyChangeListener( m_aMutex )
         ,m_xGraphicObject( _pOriginal->m_xGraphicObject )
-        ,m_pMedium( NULL )
-        ,m_pProducer( NULL )
+        ,m_pMedium( nullptr )
+        ,m_pProducer( nullptr )
         ,m_bDispatchUrlInternal(false)
         ,m_bDownloading( false )
         ,m_bProdStarted( false )
@@ -524,7 +524,7 @@ namespace frm
             acquire();
             dispose();
         }
-        DBG_ASSERT(m_pMedium == NULL, "OClickableImageBaseModel::~OClickableImageBaseModel : leaving a memory leak ...");
+        DBG_ASSERT(m_pMedium == nullptr, "OClickableImageBaseModel::~OClickableImageBaseModel : leaving a memory leak ...");
         // This should be cleaned up at least in the dispose
 
     }
@@ -583,11 +583,11 @@ namespace frm
         if (m_pMedium)
         {
             delete m_pMedium;
-            m_pMedium = NULL;
+            m_pMedium = nullptr;
         }
 
-        m_xProducer = NULL;
-        m_pProducer = NULL;
+        m_xProducer = nullptr;
+        m_pProducer = nullptr;
     }
 
 
@@ -704,7 +704,7 @@ namespace frm
         {
             pImgProd->SetImage(OUString());
             delete m_pMedium;
-            m_pMedium = 0;
+            m_pMedium = nullptr;
             m_bDownloading = false;
         }
     }
@@ -717,7 +717,7 @@ namespace frm
             // Free the stream at the Producer, before the medium is deleted
             GetImageProducer()->SetImage(OUString());
             delete m_pMedium;
-            m_pMedium = NULL;
+            m_pMedium = nullptr;
         }
 
         // the SfxMedium is not allowed to be created with an invalid URL, so we have to check this first
@@ -749,7 +749,7 @@ namespace frm
             // Search for the Object shell by iterating over all Object shells
             // and comparing their XModel to our´s.
             // As an optimization, we try the current Object shell first.
-            SfxObjectShell *pObjSh = 0;
+            SfxObjectShell *pObjSh = nullptr;
 
             if( xModel.is() )
             {
@@ -858,7 +858,7 @@ namespace frm
 
     IMPL_LINK_TYPED( OClickableImageBaseModel, OnImageImportDone, Graphic*, i_pGraphic, void )
     {
-        const Reference< XGraphic > xGraphic( i_pGraphic != NULL ? Graphic(i_pGraphic->GetBitmapEx()).GetXGraphic() : NULL );
+        const Reference< XGraphic > xGraphic( i_pGraphic != nullptr ? Graphic(i_pGraphic->GetBitmapEx()).GetXGraphic() : nullptr );
         if ( !xGraphic.is() )
         {
             m_xGraphicObject.clear();
diff --git a/forms/source/component/clickableimage.hxx b/forms/source/component/clickableimage.hxx
index 27fb4eb72ef7..78a11bf2f45a 100644
--- a/forms/source/component/clickableimage.hxx
+++ b/forms/source/component/clickableimage.hxx
@@ -165,7 +165,7 @@ namespace frm
         explicit ImageModelMethodGuard( OClickableImageBaseModel& _rModel )
             :GuardBase( _rModel.getMutex( OClickableImageBaseModel::GuardAccess() ) )
         {
-            if ( NULL == _rModel.getImageProducer( OClickableImageBaseModel::GuardAccess() ) )
+            if ( nullptr == _rModel.getImageProducer( OClickableImageBaseModel::GuardAccess() ) )
                 throw css::lang::DisposedException(
                     OUString(),
                     static_cast< css::form::XImageProducerSupplier* >( &_rModel )
diff --git a/forms/source/component/imgprod.cxx b/forms/source/component/imgprod.cxx
index e2976519f8bc..6fce82364851 100644
--- a/forms/source/component/imgprod.cxx
+++ b/forms/source/component/imgprod.cxx
@@ -171,7 +171,7 @@ ErrCode ImgProdLockBytes::Stat( SvLockBytesStat* pStat, SvLockBytesStatFlag eFla
 
 // - ImageProducer -
 ImageProducer::ImageProducer()
-    : mpStm(NULL)
+    : mpStm(nullptr)
     , mnTransIndex(0)
     , mbConsInit(false)
 {
@@ -181,10 +181,10 @@ ImageProducer::ImageProducer()
 ImageProducer::~ImageProducer()
 {
     delete mpGraphic;
-    mpGraphic = NULL;
+    mpGraphic = nullptr;
 
     delete mpStm;
-    mpStm = NULL;
+    mpStm = nullptr;
 }
 
 // css::uno::XInterface
@@ -233,10 +233,10 @@ void ImageProducer::SetImage( const OUString& rPath )
     else if( !maURL.isEmpty() )
     {
         SvStream* pIStm = ::utl::UcbStreamHelper::CreateStream( maURL, STREAM_STD_READ );
-        mpStm = pIStm ? new SvStream( new ImgProdLockBytes( pIStm, true ) ) : NULL;
+        mpStm = pIStm ? new SvStream( new ImgProdLockBytes( pIStm, true ) ) : nullptr;
     }
     else
-        mpStm = NULL;
+        mpStm = nullptr;
 }
 
 
@@ -263,7 +263,7 @@ void ImageProducer::setImage( css::uno::Reference< css::io::XInputStream > & rIn
     if( rInputStmRef.is() )
         mpStm = new SvStream( new ImgProdLockBytes( rInputStmRef ) );
     else
-        mpStm = NULL;
+        mpStm = nullptr;
 }
 
 
@@ -314,7 +314,7 @@ void ImageProducer::startProduction() throw(css::uno::RuntimeException, std::exc
                 (*iter)->complete( css::awt::ImageStatus::IMAGESTATUS_STATICIMAGEDONE, this );
             }
 
-            maDoneHdl.Call( NULL );
+            maDoneHdl.Call( nullptr );
         }
     }
 }
@@ -441,7 +441,7 @@ void ImageProducer::ImplUpdateConsumer( const Graphic& rGraphic )
     if( pBmpAcc )
     {
         Bitmap              aMask( aBmpEx.GetMask() );
-        BitmapReadAccess*   pMskAcc = !!aMask ? aMask.AcquireReadAccess() : NULL;
+        BitmapReadAccess*   pMskAcc = !!aMask ? aMask.AcquireReadAccess() : nullptr;
         const long          nWidth = pBmpAcc->Width();
         const long          nHeight = pBmpAcc->Height();
         const long          nStartX = 0L;
diff --git a/forms/source/component/propertybaghelper.cxx b/forms/source/component/propertybaghelper.cxx
index 410d88fde5e3..dfcc45856426 100644
--- a/forms/source/component/propertybaghelper.cxx
+++ b/forms/source/component/propertybaghelper.cxx
@@ -72,7 +72,7 @@ namespace frm
 
     PropertyBagHelper::PropertyBagHelper( IPropertyBagHelperContext& _rContext )
         :m_rContext( _rContext )
-        ,m_pPropertyArrayHelper( NULL )
+        ,m_pPropertyArrayHelper( nullptr )
         ,m_bDisposed( false )
     {
     }
@@ -80,7 +80,7 @@ namespace frm
 
     PropertyBagHelper::~PropertyBagHelper()
     {
-        delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = NULL;
+        delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = nullptr;
     }
 
 
@@ -99,7 +99,7 @@ namespace frm
 
     void PropertyBagHelper::impl_nts_invalidatePropertySetInfo()
     {
-        delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = NULL;
+        delete m_pPropertyArrayHelper, m_pPropertyArrayHelper = nullptr;
     }
 
 
@@ -109,7 +109,7 @@ namespace frm
 
         // check the preferred handle
         sal_Int32 nHandle = lcl_getPropertyInfos().getPreferredPropertyId( _rPropertyName );
-        if ( ( nHandle != -1 ) && rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nHandle ) )
+        if ( ( nHandle != -1 ) && rPropInfo.fillPropertyMembersByHandle( nullptr, nullptr, nHandle ) )
             nHandle = -1;
 
         // search a free handle in <math>F_1009</math>
@@ -120,7 +120,7 @@ namespace frm
             sal_Int32 nNum = nFactor;
             while ( nNum != 1 )
             {
-                if ( !rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nNum + NEW_HANDLE_BASE ) )
+                if ( !rPropInfo.fillPropertyMembersByHandle( nullptr, nullptr, nNum + NEW_HANDLE_BASE ) )
                 {
                     // handle not used, yet
                     nHandle = nNum + NEW_HANDLE_BASE;
@@ -134,7 +134,7 @@ namespace frm
         if ( nHandle == -1 )
         {
             nHandle = NEW_HANDLE_BASE + 1009;
-            while ( rPropInfo.fillPropertyMembersByHandle( NULL, NULL, nHandle ) )
+            while ( rPropInfo.fillPropertyMembersByHandle( nullptr, nullptr, nHandle ) )
                 ++nHandle;
         }
 
diff --git a/forms/source/helper/controlfeatureinterception.cxx b/forms/source/helper/controlfeatureinterception.cxx
index a341316574ba..2cd10e668bc6 100644
--- a/forms/source/helper/controlfeatureinterception.cxx
+++ b/forms/source/helper/controlfeatureinterception.cxx
@@ -55,7 +55,7 @@ namespace frm
 
         // we are the master of the chain's first interceptor
         m_xFirstDispatchInterceptor = _rxInterceptor;
-        m_xFirstDispatchInterceptor->setMasterDispatchProvider( NULL );
+        m_xFirstDispatchInterceptor->setMasterDispatchProvider( nullptr );
             // it's the first of the interceptor chain
     }
 
@@ -88,8 +88,8 @@ namespace frm
                 Reference< XDispatchProviderInterceptor >  xMaster( xChainWalk->getMasterDispatchProvider(), UNO_QUERY );
 
                 // unchain the interceptor that has to be removed
-                xChainWalk->setSlaveDispatchProvider( NULL );
-                xChainWalk->setMasterDispatchProvider( NULL );
+                xChainWalk->setSlaveDispatchProvider( nullptr );
+                xChainWalk->setMasterDispatchProvider( nullptr );
 
                 // reconnect the chain
                 if ( xMaster.is() )
@@ -115,12 +115,12 @@ namespace frm
         while ( xInterceptor.is() )
         {
             // tell the interceptor it has a new (means no) predecessor
-            xInterceptor->setMasterDispatchProvider( NULL );
+            xInterceptor->setMasterDispatchProvider( nullptr );
 
             // ask for it's successor
             Reference< XDispatchProvider > xSlave = xInterceptor->getSlaveDispatchProvider();
             // and give it the new (means no) successoert
-            xInterceptor->setSlaveDispatchProvider( NULL );
+            xInterceptor->setSlaveDispatchProvider( nullptr );
 
             // start over with the next chain element
             xInterceptor.set(xSlave, css::uno::UNO_QUERY);
diff --git a/forms/source/helper/formnavigation.cxx b/forms/source/helper/formnavigation.cxx
index 994574ee6170..e56f2f27b3b0 100644
--- a/forms/source/helper/formnavigation.cxx
+++ b/forms/source/helper/formnavigation.cxx
@@ -132,7 +132,7 @@ namespace frm
                 if ( aFeature->second.xDispatcher == _rSource.Source )
                 {
                     aFeature->second.xDispatcher->removeStatusListener( static_cast< XStatusListener* >( this ), aFeature->second.aURL );
-                    aFeature->second.xDispatcher = NULL;
+                    aFeature->second.xDispatcher = nullptr;
                     aFeature->second.bCachedState = false;
                     aFeature->second.aCachedAdditionalState.clear();
                     --m_nConnectedFeatures;
@@ -234,7 +234,7 @@ namespace frm
                 if ( aFeature->second.xDispatcher.is() )
                     aFeature->second.xDispatcher->removeStatusListener( static_cast< XStatusListener* >( this ), aFeature->second.aURL );
 
-                aFeature->second.xDispatcher = NULL;
+                aFeature->second.xDispatcher = nullptr;
                 aFeature->second.bCachedState = false;
                 aFeature->second.aCachedAdditionalState.clear();
             }
@@ -386,7 +386,7 @@ namespace frm
         if ( pAsciiURL )
             _rURL = m_pUrlTransformer->getStrictURLFromAscii( pAsciiURL );
 
-        return ( pAsciiURL != NULL );
+        return ( pAsciiURL != nullptr );
     }
 
 
@@ -426,7 +426,7 @@ namespace frm
                 FeatureURL( FormFeature::InteractiveFilter,       URL_FORM_FILTER ),
                 FeatureURL( FormFeature::ToggleApplyFilter,       URL_FORM_APPLY_FILTER ),
                 FeatureURL( FormFeature::RemoveFilterAndSort,     URL_FORM_REMOVE_FILTER ),
-                FeatureURL( 0, NULL )
+                FeatureURL( 0, nullptr )
             };
             return s_aFeatureURLs;
         }
@@ -442,7 +442,7 @@ namespace frm
                 return pFeatures->pAsciiURL;
             ++pFeatures;
         }
-        return NULL;
+        return nullptr;
     }
 
 
diff --git a/forms/source/helper/windowstateguard.cxx b/forms/source/helper/windowstateguard.cxx
index b5aeec7d562a..330424e9a6e4 100644
--- a/forms/source/helper/windowstateguard.cxx
+++ b/forms/source/helper/windowstateguard.cxx
@@ -198,7 +198,7 @@ namespace frm
         if ( m_pImpl.is() )
         {
             m_pImpl->dispose();
-            m_pImpl = NULL;
+            m_pImpl = nullptr;
         }
 
         Reference< XPropertySet > xModelProps( _rxModel, UNO_QUERY );
diff --git a/forms/source/misc/InterfaceContainer.cxx b/forms/source/misc/InterfaceContainer.cxx
index f4f72cc38c06..bc75f4eea26d 100644
--- a/forms/source/misc/InterfaceContainer.cxx
+++ b/forms/source/misc/InterfaceContainer.cxx
@@ -580,7 +580,7 @@ void SAL_CALL OInterfaceContainer::read( const Reference< XObjectInputStream >&
                         m_aItems.size(),    // position
                         xElement,           // element to insert
                         false,              // no event attacher manager handling
-                        NULL,               // not yet approved - let implInsert do it
+                        nullptr,               // not yet approved - let implInsert do it
                         true                // fire the event
                     );
                 }
@@ -593,7 +593,7 @@ void SAL_CALL OInterfaceContainer::read( const Reference< XObjectInputStream >&
                         // couldn't handle it
                         throw;
                     // insert the placeholder
-                    implInsert( m_aItems.size(), xElement, false, NULL, true );
+                    implInsert( m_aItems.size(), xElement, false, nullptr, true );
                 }
             }
         }
@@ -865,7 +865,7 @@ void OInterfaceContainer::implInsert(sal_Int32 _nIndex, const Reference< XProper
     if ( bHandleVbaEvents )
     {
         Reference< XEventAttacherManager > xMgr ( pElementMetaData->xInterface, UNO_QUERY );
-        OInterfaceContainer* pIfcMgr = xMgr.is() ? dynamic_cast<OInterfaceContainer*>(xMgr.get()) : NULL;
+        OInterfaceContainer* pIfcMgr = xMgr.is() ? dynamic_cast<OInterfaceContainer*>(xMgr.get()) : nullptr;
         if (pIfcMgr)
         {
             sal_Int32 nLen = pIfcMgr->getCount();
@@ -942,7 +942,7 @@ void SAL_CALL OInterfaceContainer::insertByIndex( sal_Int32 _nIndex, const Any&
 {
     Reference< XPropertySet > xElement;
     _rElement >>= xElement;
-    implInsert( _nIndex, xElement, true /* event handling */ , NULL /* not yet approved */ , true /* notification */ );
+    implInsert( _nIndex, xElement, true /* event handling */ , nullptr /* not yet approved */ , true /* notification */ );
 }
 
 
@@ -1319,7 +1319,7 @@ void OFormComponents::disposing()
 {
     OInterfaceContainer::disposing();
     FormComponentsBase::disposing();
-    m_xParent = NULL;
+    m_xParent = nullptr;
 }
 
 //XChild
diff --git a/forms/source/misc/limitedformats.cxx b/forms/source/misc/limitedformats.cxx
index f8d57762eeb1..ae27f25a2f34 100644
--- a/forms/source/misc/limitedformats.cxx
+++ b/forms/source/misc/limitedformats.cxx
@@ -95,7 +95,7 @@ namespace frm
                     { "HH:MM:SS", -1, ltEnglishUS },
                     { "HH:MM AM/PM", -1, ltEnglishUS },
                     { "HH:MM:SS AM/PM", -1, ltEnglishUS },
-                    { NULL, -1, ltSystem }
+                    { nullptr, -1, ltSystem }
                 };
                 return s_aFormats;
             }
@@ -117,14 +117,14 @@ namespace frm
                     { "JJ-MM-TT", -1, ltGerman },
                     { "JJJJ-MM-TT", -1, ltGerman },
 
-                    { NULL, -1, ltSystem }
+                    { nullptr, -1, ltSystem }
                 };
                 return s_aFormats;
             }
         }
 
         OSL_FAIL("lcl_getFormatTable: invalid id!");
-        return NULL;
+        return nullptr;
     }
 
     OLimitedFormats::OLimitedFormats(const Reference< XComponentContext >& _rxContext, const sal_Int16 _nClassId)
@@ -252,11 +252,11 @@ namespace frm
             // seek to the nValue'th entry
             sal_Int32 nLookup = 0;
             for (   ;
-                    (NULL != pFormats->pDescription) && (nLookup < nValue);
+                    (nullptr != pFormats->pDescription) && (nLookup < nValue);
                     ++pFormats, ++nLookup
                 )
                 ;
-            OSL_ENSURE(NULL != pFormats->pDescription, "OLimitedFormats::getFormatKeyPropertyValue: did not find the value!");
+            OSL_ENSURE(nullptr != pFormats->pDescription, "OLimitedFormats::getFormatKeyPropertyValue: did not find the value!");
             if (pFormats->pDescription)
                 _rValue <<= pFormats->nKey;
         }
@@ -290,7 +290,7 @@ namespace frm
             // look for the entry with the given format key
             sal_Int32 nTablePosition = 0;
             for (   ;
-                    (NULL != pFormats->pDescription) && (nNewFormat != pFormats->nKey);
+                    (nullptr != pFormats->pDescription) && (nNewFormat != pFormats->nKey);
                     ++pFormats, ++nTablePosition
                 )
             {
@@ -298,7 +298,7 @@ namespace frm
                     _rOldValue <<= pFormats->nKey;
             }
 
-            bool bFoundIt = (NULL != pFormats->pDescription);
+            bool bFoundIt = (nullptr != pFormats->pDescription);
             bool bModified = false;
             if (bFoundIt)
             {
@@ -327,7 +327,7 @@ namespace frm
             if (!bFoundIt)
             {   // somebody gave us a format which we can't translate
                 OUString sMessage ("This control supports only a very limited number of formats.");
-                throw IllegalArgumentException(sMessage, NULL, 2);
+                throw IllegalArgumentException(sMessage, nullptr, 2);
             }
 
             return bModified;
@@ -366,7 +366,7 @@ namespace frm
         if (0 == --s_nInstanceCount)
         {
             ::comphelper::disposeComponent(s_xStandardFormats);
-            s_xStandardFormats = NULL;
+            s_xStandardFormats = nullptr;
 
             clearTable(FormComponentType::TIMEFIELD);
             clearTable(FormComponentType::DATEFIELD);
diff --git a/forms/source/resource/frm_resource.cxx b/forms/source/resource/frm_resource.cxx
index 227803af0983..3ae6805694c3 100644
--- a/forms/source/resource/frm_resource.cxx
+++ b/forms/source/resource/frm_resource.cxx
@@ -33,7 +33,7 @@ namespace frm
 
     //= ResourceManager
 
-    SimpleResMgr* ResourceManager::m_pImpl = NULL;
+    SimpleResMgr* ResourceManager::m_pImpl = nullptr;
 
 
     ResourceManager::EnsureDelete::~EnsureDelete()
diff --git a/forms/source/richtext/attributedispatcher.cxx b/forms/source/richtext/attributedispatcher.cxx
index 971d66a43b6c..768d3f28becb 100644
--- a/forms/source/richtext/attributedispatcher.cxx
+++ b/forms/source/richtext/attributedispatcher.cxx
@@ -51,7 +51,7 @@ namespace frm
 
     void OAttributeDispatcher::disposing( ::osl::ClearableMutexGuard& _rClearBeforeNotify )
     {
-        m_pMasterDispatcher = NULL;
+        m_pMasterDispatcher = nullptr;
         ORichTextFeatureDispatcher::disposing( _rClearBeforeNotify );
     }
 
@@ -102,7 +102,7 @@ namespace frm
 #endif
 
         if ( m_pMasterDispatcher )
-            m_pMasterDispatcher->executeAttribute( m_nAttributeId, NULL );
+            m_pMasterDispatcher->executeAttribute( m_nAttributeId, nullptr );
     }
 
 
diff --git a/forms/source/richtext/clipboarddispatcher.cxx b/forms/source/richtext/clipboarddispatcher.cxx
index 84e82be27d43..09cbdbc5039d 100644
--- a/forms/source/richtext/clipboarddispatcher.cxx
+++ b/forms/source/richtext/clipboarddispatcher.cxx
@@ -130,7 +130,7 @@ namespace frm
 
     OPasteClipboardDispatcher::OPasteClipboardDispatcher( EditView& _rView )
         :OClipboardDispatcher( _rView, ePaste )
-        ,m_pClipListener( NULL )
+        ,m_pClipListener( nullptr )
         ,m_bPastePossible( false )
     {
         m_pClipListener = new TransferableClipboardListener( LINK( this, OPasteClipboardDispatcher, OnClipboardChanged ) );
@@ -172,7 +172,7 @@ namespace frm
                 m_pClipListener->AddRemoveListener( getEditView()->GetWindow(), false );
 
             m_pClipListener->release();
-            m_pClipListener = NULL;
+            m_pClipListener = nullptr;
         }
 
         OClipboardDispatcher::disposing( _rClearBeforeNotify );
diff --git a/forms/source/richtext/featuredispatcher.cxx b/forms/source/richtext/featuredispatcher.cxx
index 34c6efb73193..66740eb5afa2 100644
--- a/forms/source/richtext/featuredispatcher.cxx
+++ b/forms/source/richtext/featuredispatcher.cxx
@@ -61,7 +61,7 @@ namespace frm
 
     void ORichTextFeatureDispatcher::disposing( ::osl::ClearableMutexGuard& /*_rClearBeforeNotify*/ )
     {
-        m_pEditView = NULL;
+        m_pEditView = nullptr;
     }
 
 
diff --git a/forms/source/richtext/parametrizedattributedispatcher.cxx b/forms/source/richtext/parametrizedattributedispatcher.cxx
index b90da3285617..47fe59a182a3 100644
--- a/forms/source/richtext/parametrizedattributedispatcher.cxx
+++ b/forms/source/richtext/parametrizedattributedispatcher.cxx
@@ -97,7 +97,7 @@ namespace frm
         SfxAllItemSet aParameterSet( getEditView()->GetEmptyItemSet() );
         TransformParameters( nSlotId, _rArguments, aParameterSet );
 
-        const SfxPoolItem* pArgument = NULL;
+        const SfxPoolItem* pArgument = nullptr;
         if ( aParameterSet.Count() )
         {
             OSL_ENSURE( aParameterSet.Count() == 1, "OParametrizedAttributeDispatcher::convertDispatchArgsToItem: Arguments which form more than 1 item? How this?" );
diff --git a/forms/source/richtext/richtextcontrol.cxx b/forms/source/richtext/richtextcontrol.cxx
index 1dc7d24dcc45..b3830c583a33 100644
--- a/forms/source/richtext/richtextcontrol.cxx
+++ b/forms/source/richtext/richtextcontrol.cxx
@@ -170,7 +170,7 @@ namespace frm
             mbCreatingPeer = true;
 
             // determine the VLC window for the parent
-            vcl::Window* pParentWin = NULL;
+            vcl::Window* pParentWin = nullptr;
             if ( _rParentPeer.is() )
             {
                 VCLXWindow* pParentXWin = VCLXWindow::GetImplementation( _rParentPeer );
@@ -277,7 +277,7 @@ namespace frm
         RichTextEngine* pEngine = ORichTextModel::getEditEngine( _rxModel );
         OSL_ENSURE( pEngine, "ORichTextPeer::Create: could not obtaine the edit engine from the model!" );
         if ( !pEngine )
-            return NULL;
+            return nullptr;
 
         // the peer itself
         ORichTextPeer* pPeer = new ORichTextPeer;
@@ -339,7 +339,7 @@ namespace frm
             return;
 
         OutputDevice* pTargetDevice = VCLUnoHelper::GetOutputDevice( getGraphics() );
-        OSL_ENSURE( pTargetDevice != NULL, "ORichTextPeer::draw: no graphics -> no drawing!" );
+        OSL_ENSURE( pTargetDevice != nullptr, "ORichTextPeer::draw: no graphics -> no drawing!" );
         if ( !pTargetDevice )
             return;
 
@@ -468,10 +468,10 @@ namespace frm
         VclPtr< RichTextControl > pRichTextControl = GetAs< RichTextControl >();
         OSL_PRECOND( pRichTextControl, "ORichTextPeer::implCreateDispatcher: invalid window!" );
         if ( !pRichTextControl )
-            return SingleAttributeDispatcher( NULL );
+            return SingleAttributeDispatcher( nullptr );
 
-        ORichTextFeatureDispatcher* pDispatcher = NULL;
-        OAttributeDispatcher* pAttributeDispatcher = NULL;
+        ORichTextFeatureDispatcher* pDispatcher = nullptr;
+        OAttributeDispatcher* pAttributeDispatcher = nullptr;
         switch ( _nSlotId )
         {
         case SID_CUT:
@@ -550,7 +550,7 @@ namespace frm
                 {
                     SfxSlotPool& rSlotPool = SfxSlotPool::GetSlotPool();
                     const SfxSlot* pSlot = rSlotPool.GetSlot( _nSlotId );
-                    const SfxType* pType = pSlot ? pSlot->GetType() : NULL;
+                    const SfxType* pType = pSlot ? pSlot->GetType() : nullptr;
                     if ( pType )
                     {
                         bNeedParametrizedDispatcher = ( pType->nAttribs > 0 );
diff --git a/forms/source/richtext/richtextengine.cxx b/forms/source/richtext/richtextengine.cxx
index bce9f149c848..ede2b4dccb9e 100644
--- a/forms/source/richtext/richtextengine.cxx
+++ b/forms/source/richtext/richtextengine.cxx
@@ -82,7 +82,7 @@ namespace frm
 
     RichTextEngine* RichTextEngine::Clone()
     {
-        RichTextEngine* pClone( NULL );
+        RichTextEngine* pClone( nullptr );
         {
             SolarMutexGuard aGuard;
             std::unique_ptr<EditTextObject> pMyText(CreateTextObject());
diff --git a/forms/source/richtext/richtextimplcontrol.cxx b/forms/source/richtext/richtextimplcontrol.cxx
index 040fda57952c..8eb2ae6a9343 100644
--- a/forms/source/richtext/richtextimplcontrol.cxx
+++ b/forms/source/richtext/richtextimplcontrol.cxx
@@ -43,12 +43,12 @@ namespace frm
 
     RichTextControlImpl::RichTextControlImpl( Control* _pAntiImpl, RichTextEngine* _pEngine, ITextAttributeListener* _pTextAttrListener, ITextSelectionListener* _pSelectionListener )
         :m_pAntiImpl            ( _pAntiImpl          )
-        ,m_pViewport            ( NULL                )
-        ,m_pHScroll             ( NULL                )
-        ,m_pVScroll             ( NULL                )
-        ,m_pScrollCorner        ( NULL                )
+        ,m_pViewport            ( nullptr                )
+        ,m_pHScroll             ( nullptr                )
+        ,m_pVScroll             ( nullptr                )
+        ,m_pScrollCorner        ( nullptr                )
         ,m_pEngine              ( _pEngine            )
-        ,m_pView                ( NULL                )
+        ,m_pView                ( nullptr                )
         ,m_pTextAttrListener    ( _pTextAttrListener  )
         ,m_pSelectionListener   ( _pSelectionListener )
         ,m_bHasEverBeenShown    ( false               )
diff --git a/forms/source/richtext/richtextimplcontrol.hxx b/forms/source/richtext/richtextimplcontrol.hxx
index 7a3194642b23..265427428873 100644
--- a/forms/source/richtext/richtextimplcontrol.hxx
+++ b/forms/source/richtext/richtextimplcontrol.hxx
@@ -85,7 +85,7 @@ namespace frm
         void    updateAttribute( AttributeId _nAttribute );
 
         /// enables the callback for a particular attribute
-        void    enableAttributeNotification( AttributeId _nAttributeId, ITextAttributeListener* _pListener = NULL );
+        void    enableAttributeNotification( AttributeId _nAttributeId, ITextAttributeListener* _pListener = nullptr );
 
         /// disables the change notifications for a particular attribute
         void    disableAttributeNotification( AttributeId _nAttributeId );
diff --git a/forms/source/richtext/richtextmodel.cxx b/forms/source/richtext/richtextmodel.cxx
index 21a9f7f9c6b2..c2faf06964e8 100644
--- a/forms/source/richtext/richtextmodel.cxx
+++ b/forms/source/richtext/richtextmodel.cxx
@@ -516,7 +516,7 @@ namespace frm
 
     RichTextEngine* ORichTextModel::getEditEngine( const Reference< XControlModel >& _rxModel )
     {
-        RichTextEngine* pEngine = NULL;
+        RichTextEngine* pEngine = nullptr;
 
         Reference< XUnoTunnel > xTunnel( _rxModel, UNO_QUERY );
         OSL_ENSURE( xTunnel.is(), "ORichTextModel::getEditEngine: invalid model!" );
@@ -537,7 +537,7 @@ namespace frm
 
     Sequence< sal_Int8 > ORichTextModel::getEditEngineTunnelId()
     {
-        static ::cppu::OImplementationId * pId = 0;
+        static ::cppu::OImplementationId * pId = nullptr;
         if (! pId)
         {
             ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
diff --git a/forms/source/richtext/richtextvclcontrol.cxx b/forms/source/richtext/richtextvclcontrol.cxx
index 7d0219e2c3a3..35293e59319b 100644
--- a/forms/source/richtext/richtextvclcontrol.cxx
+++ b/forms/source/richtext/richtextvclcontrol.cxx
@@ -44,7 +44,7 @@ namespace frm
     RichTextControl::RichTextControl( RichTextEngine* _pEngine, vcl::Window* _pParent, WinBits _nStyle,
         ITextAttributeListener* _pTextAttribListener, ITextSelectionListener* _pSelectionListener )
         :Control( _pParent, implInitStyle( _nStyle ) )
-        ,m_pImpl( NULL )
+        ,m_pImpl( nullptr )
     {
         implInit( _pEngine, _pTextAttribListener, _pSelectionListener );
     }
diff --git a/forms/source/richtext/richtextvclcontrol.hxx b/forms/source/richtext/richtextvclcontrol.hxx
index c7d9f896f0c1..a1789d4043b4 100644
--- a/forms/source/richtext/richtextvclcontrol.hxx
+++ b/forms/source/richtext/richtextvclcontrol.hxx
@@ -67,7 +67,7 @@ namespace frm
            If you previously already enabled the notification for this attribute, and specified a different listener,
            then the previous listener will be replaced with the new listener, provided the latter is not <NULL/>.
         */
-        void        enableAttributeNotification( AttributeId _nAttributeId, ITextAttributeListener* _pListener = NULL );
+        void        enableAttributeNotification( AttributeId _nAttributeId, ITextAttributeListener* _pListener = nullptr );
 
         /** disables the change notifications for a particular attribute
 
diff --git a/forms/source/richtext/richtextviewport.cxx b/forms/source/richtext/richtextviewport.cxx
index abf83f63ee36..36aeef8101cf 100644
--- a/forms/source/richtext/richtextviewport.cxx
+++ b/forms/source/richtext/richtextviewport.cxx
@@ -24,7 +24,7 @@ namespace frm
 {
     RichTextViewPort::RichTextViewPort( vcl::Window* _pParent )
         : Control ( _pParent )
-        , m_pView(NULL)
+        , m_pView(nullptr)
         , m_bHideInactiveSelection( true )
     {
     }
diff --git a/forms/source/richtext/richtextviewport.hxx b/forms/source/richtext/richtextviewport.hxx
index 25e172e623bc..ec488e6b8b2d 100644
--- a/forms/source/richtext/richtextviewport.hxx
+++ b/forms/source/richtext/richtextviewport.hxx
@@ -54,7 +54,7 @@ namespace frm
     private:
         inline void implInvalidateAttributes() const
         {
-            m_aInvalidationHandler.Call( NULL );
+            m_aInvalidationHandler.Call( nullptr );
         }
     };
 
diff --git a/forms/source/richtext/rtattributehandler.cxx b/forms/source/richtext/rtattributehandler.cxx
index da0d9c4596ad..b4793cbeb94a 100644
--- a/forms/source/richtext/rtattributehandler.cxx
+++ b/forms/source/richtext/rtattributehandler.cxx
@@ -409,7 +409,7 @@ namespace frm
         // if the current adjustment of the was the default adjustment for the *previous* text direction,
         // then we toggle the adjustment, too
         SvxAdjust eCurrentAdjustment = SVX_ADJUST_LEFT;
-        const SfxPoolItem* pCurrentAdjustment = NULL;
+        const SfxPoolItem* pCurrentAdjustment = nullptr;
         if ( SfxItemState::SET == _rCurrentAttribs.GetItemState( EE_PARA_JUST, true, &pCurrentAdjustment ) )
             eCurrentAdjustment = static_cast< const SvxAdjustItem* >( pCurrentAdjustment )->GetAdjust();
 
diff --git a/forms/source/richtext/rtattributes.hxx b/forms/source/richtext/rtattributes.hxx
index f8d4f7a98229..5e61f55dbffa 100644
--- a/forms/source/richtext/rtattributes.hxx
+++ b/forms/source/richtext/rtattributes.hxx
@@ -62,19 +62,19 @@ namespace frm
     };
 
     inline AttributeState::AttributeState( )
-        :pItemHandleItem ( NULL )
+        :pItemHandleItem ( nullptr )
         ,eSimpleState( eIndetermined )
     {
     }
 
     inline AttributeState::AttributeState( AttributeCheckState _eCheckState )
-        :pItemHandleItem ( NULL )
+        :pItemHandleItem ( nullptr )
         ,eSimpleState( _eCheckState )
     {
     }
 
     inline AttributeState::AttributeState( const AttributeState& _rSource )
-        :pItemHandleItem ( NULL )
+        :pItemHandleItem ( nullptr )
         ,eSimpleState( eIndetermined )
     {
         operator=( _rSource );
@@ -107,7 +107,7 @@ namespace frm
         if ( _pItem )
             pItemHandleItem = _pItem->Clone();
         else
-            pItemHandleItem = NULL;
+            pItemHandleItem = nullptr;
     }
 
     inline bool AttributeState::operator==( const AttributeState& _rRHS )
diff --git a/forms/source/richtext/specialdispatchers.cxx b/forms/source/richtext/specialdispatchers.cxx
index bc288a949371..fd9be3973820 100644
--- a/forms/source/richtext/specialdispatchers.cxx
+++ b/forms/source/richtext/specialdispatchers.cxx
@@ -60,7 +60,7 @@ namespace frm
 
         checkDisposed();
 
-        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : NULL;
+        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : nullptr;
         OSL_ENSURE( pEngine, "OSelectAllDispatcher::dispatch: no edit engine - but not yet disposed?" );
         if ( !pEngine )
             return;
@@ -93,7 +93,7 @@ namespace frm
     {
         FeatureStateEvent aEvent( OAttributeDispatcher::buildStatusEvent() );
 
-        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : NULL;
+        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : nullptr;
         OSL_ENSURE( pEngine, "OParagraphDirectionDispatcher::dispatch: no edit engine - but not yet disposed?" );
         if ( pEngine && pEngine->IsVertical() )
             aEvent.IsEnabled = sal_False;
@@ -115,7 +115,7 @@ namespace frm
 
         checkDisposed();
 
-        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : NULL;
+        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : nullptr;
         OSL_ENSURE( pEngine, "OTextDirectionDispatcher::dispatch: no edit engine - but not yet disposed?" );
         if ( !pEngine )
             return;
@@ -128,7 +128,7 @@ namespace frm
     {
         FeatureStateEvent aEvent( ORichTextFeatureDispatcher::buildStatusEvent() );
 
-        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : NULL;
+        EditEngine* pEngine = getEditView() ? getEditView()->GetEditEngine() : nullptr;
         OSL_ENSURE( pEngine, "OTextDirectionDispatcher::dispatch: no edit engine - but not yet disposed?" );
 
         aEvent.IsEnabled = sal_True;
@@ -164,7 +164,7 @@ namespace frm
         }
 
         OSL_FAIL( "OAsianFontLayoutDispatcher::convertDispatchArgsToItem: did not find the one and only argument!" );
-        return NULL;
+        return nullptr;
     }
 
 
diff --git a/forms/source/runtime/formoperations.cxx b/forms/source/runtime/formoperations.cxx
index 53dd2f41416a..5954c3bd20f9 100644
--- a/forms/source/runtime/formoperations.cxx
+++ b/forms/source/runtime/formoperations.cxx
@@ -620,7 +620,7 @@ namespace frm
             case FormFeature::ReloadForm:
                 if ( m_xLoadableForm.is() )
                 {
-                    WaitObject aWO( NULL );
+                    WaitObject aWO( nullptr );
                     m_xLoadableForm->reload();
 
                     // refresh all controls in the form (and sub forms) which can be refreshed
@@ -745,7 +745,7 @@ namespace frm
                     aValues[0] <<= OUString();
                     aValues[1] <<= OUString();
 
-                    WaitObject aWO( NULL );
+                    WaitObject aWO( nullptr );
                     xProperties->setPropertyValues( aNames, aValues );
 
                     if ( m_xLoadableForm.is() )
@@ -763,7 +763,7 @@ namespace frm
                     m_xCursorProperties->setPropertyValue( PROPERTY_APPLYFILTER, makeAny( !bApplied ) );
 
                     // and reload
-                    WaitObject aWO( NULL );
+                    WaitObject aWO( nullptr );
                     m_xLoadableForm->reload();
                 }
                 break;
@@ -1395,7 +1395,7 @@ namespace frm
     {
         OSL_PRECOND( m_xController.is(), "FormOperations::impl_getCurrentBoundField_nothrow: no controller -> no control!" );
         if ( !m_xController.is() )
-            return NULL;
+            return nullptr;
 
         Reference< XPropertySet > xField;
         try
@@ -1569,7 +1569,7 @@ namespace frm
             impl_appendOrderByColumn_throw aAction(this, xBoundField, _bUp);
             impl_doActionInSQLContext_throw(aAction, RID_STR_COULD_NOT_SET_ORDER );
 
-            WaitObject aWO( NULL );
+            WaitObject aWO( nullptr );
             try
             {
                 m_xCursorProperties->setPropertyValue( PROPERTY_SORT, makeAny( m_xParser->getOrder() ) );
@@ -1635,7 +1635,7 @@ namespace frm
             impl_appendFilterByColumn_throw aAction(this, xBoundField);
             impl_doActionInSQLContext_throw( aAction, RID_STR_COULD_NOT_SET_FILTER );
 
-            WaitObject aWO( NULL );
+            WaitObject aWO( nullptr );
             try
             {
                 m_xCursorProperties->setPropertyValue( PROPERTY_FILTER, makeAny( m_xParser->getFilter() ) );
@@ -1700,7 +1700,7 @@ namespace frm
 
             if ( RET_OK == xDialog->execute() )
             {
-                WaitObject aWO( NULL );
+                WaitObject aWO( nullptr );
                 if ( _bFilter )
                     m_xCursorProperties->setPropertyValue( PROPERTY_FILTER, makeAny( m_xParser->getFilter() ) );
                 else
diff --git a/forms/source/runtime/formoperations.hxx b/forms/source/runtime/formoperations.hxx
index 197481003f98..4602445491b5 100644
--- a/forms/source/runtime/formoperations.hxx
+++ b/forms/source/runtime/formoperations.hxx
@@ -272,7 +272,7 @@ namespace frm
             @precond
                 our mutex is locked
         */
-        bool        impl_commitCurrentRecord_throw( sal_Bool* _pRecordInserted = NULL ) const;
+        bool        impl_commitCurrentRecord_throw( sal_Bool* _pRecordInserted = nullptr ) const;
 
         /** impl-version of commitCurrentControl, which can be called in const-contexts
 
diff --git a/forms/source/solar/component/navbarcontrol.cxx b/forms/source/solar/component/navbarcontrol.cxx
index e7c862494a89..6c182cb2f158 100644
--- a/forms/source/solar/component/navbarcontrol.cxx
+++ b/forms/source/solar/component/navbarcontrol.cxx
@@ -121,7 +121,7 @@ namespace frm
             mbCreatingPeer = true;
 
             // determine the VLC window for the parent
-            vcl::Window* pParentWin = NULL;
+            vcl::Window* pParentWin = nullptr;
             if ( _rParentPeer.is() )
             {
                 VCLXWindow* pParentXWin = VCLXWindow::GetImplementation( _rParentPeer );
diff --git a/forms/source/solar/control/navtoolbar.cxx b/forms/source/solar/control/navtoolbar.cxx
index 90723a27b9c0..6f0226c93c80 100644
--- a/forms/source/solar/control/navtoolbar.cxx
+++ b/forms/source/solar/control/navtoolbar.cxx
@@ -64,7 +64,7 @@ namespace frm
 
         OUString lcl_getCommandURL( const sal_Int16 _nFormFeature )
         {
-            const sal_Char* pAsciiCommandName = NULL;
+            const sal_Char* pAsciiCommandName = nullptr;
             switch ( _nFormFeature )
             {
                 case FormFeature::MoveAbsolute          : pAsciiCommandName = "AbsoluteRecord";     break;
@@ -87,7 +87,7 @@ namespace frm
                 case FormFeature::ToggleApplyFilter     : pAsciiCommandName = "FormFiltered";       break;
                 case FormFeature::RemoveFilterAndSort   : pAsciiCommandName = "RemoveFilterSort";   break;
             }
-            if ( pAsciiCommandName != NULL )
+            if ( pAsciiCommandName != nullptr )
                 return ".uno:" + OUString::createFromAscii( pAsciiCommandName );
 
             OSL_FAIL( "lcl_getCommandURL: unknown FormFeature!" );
@@ -103,7 +103,7 @@ namespace frm
     public:
         explicit ImplNavToolBar( vcl::Window* _pParent )
             :ToolBox( _pParent, WB_3DLOOK )
-            ,m_pDispatcher( NULL )
+            ,m_pDispatcher( nullptr )
         {
         }
 
@@ -135,11 +135,11 @@ namespace frm
     NavigationToolBar::NavigationToolBar( vcl::Window* _pParent, WinBits _nStyle, const PCommandImageProvider& _pImageProvider,
             const PCommandDescriptionProvider& _pDescriptionProvider )
         :Window( _pParent, _nStyle )
-        ,m_pDispatcher( NULL )
+        ,m_pDispatcher( nullptr )
         ,m_pImageProvider( _pImageProvider )
         ,m_pDescriptionProvider( _pDescriptionProvider )
         ,m_eImageSize( eSmall )
-        ,m_pToolbar( NULL )
+        ,m_pToolbar( nullptr )
     {
         implInit( );
     }
@@ -298,7 +298,7 @@ namespace frm
 
                 if ( pSupportedFeatures->bItemWindow )
                 {
-                    vcl::Window* pItemWindow = NULL;
+                    vcl::Window* pItemWindow = nullptr;
                     if ( FormFeature::MoveAbsolute == pSupportedFeatures->nId )
                     {
                         pItemWindow = VclPtr<RecordPositionInput>::Create( m_pToolbar );
@@ -337,7 +337,7 @@ namespace frm
             }
         }
 
-        forEachItemWindow( &NavigationToolBar::adjustItemWindowWidth, NULL );
+        forEachItemWindow( &NavigationToolBar::adjustItemWindowWidth, nullptr );
 
         implUpdateImages();
     }
@@ -409,7 +409,7 @@ namespace frm
 
     void NavigationToolBar::ShowFunctionGroup( FunctionGroup _eGroup, bool _bShow )
     {
-        const sal_uInt16* pGroupIds = NULL;
+        const sal_uInt16* pGroupIds = nullptr;
 
         switch ( _eGroup )
         {
@@ -486,12 +486,12 @@ namespace frm
                 break;
 
             case StateChangedType::ControlFont:
-                forEachItemWindow( &NavigationToolBar::setItemControlFont, NULL );
-                forEachItemWindow( &NavigationToolBar::adjustItemWindowWidth, NULL );
+                forEachItemWindow( &NavigationToolBar::setItemControlFont, nullptr );
+                forEachItemWindow( &NavigationToolBar::adjustItemWindowWidth, nullptr );
                 break;
 
             case StateChangedType::ControlForeground:
-                forEachItemWindow( &NavigationToolBar::setItemControlForeground, NULL );
+                forEachItemWindow( &NavigationToolBar::setItemControlForeground, nullptr );
                 break;
 
             case StateChangedType::Mirroring:
@@ -524,7 +524,7 @@ namespace frm
     {
         Window::SetControlBackground();
         m_pToolbar->SetControlBackground();
-        forEachItemWindow( &NavigationToolBar::setItemBackground, NULL );
+        forEachItemWindow( &NavigationToolBar::setItemBackground, nullptr );
 
         implUpdateImages();
     }
@@ -544,7 +544,7 @@ namespace frm
     {
         Window::SetTextLineColor( );
         m_pToolbar->SetTextLineColor( );
-        forEachItemWindow( &NavigationToolBar::setTextLineColor, NULL );
+        forEachItemWindow( &NavigationToolBar::setTextLineColor, nullptr );
     }
 
 
@@ -659,7 +659,7 @@ namespace frm
 
     RecordPositionInput::RecordPositionInput( vcl::Window* _pParent )
         :NumericField( _pParent, WB_BORDER | WB_VCENTER )
-        ,m_pDispatcher( NULL )
+        ,m_pDispatcher( nullptr )
     {
         SetMin( 1 );
         SetFirst( 1 );
diff --git a/forms/source/xforms/binding.cxx b/forms/source/xforms/binding.cxx
index ebb8eb45b35e..9c7f4484674f 100644
--- a/forms/source/xforms/binding.cxx
+++ b/forms/source/xforms/binding.cxx
@@ -137,7 +137,7 @@ Binding::Binding() :
 
 Binding::~Binding()
 {
-    _setModel(NULL);
+    _setModel(nullptr);
 }
 
 void Binding::_setModel( const css::uno::Reference<css::xforms::XModel>& xModel )
@@ -162,7 +162,7 @@ void Binding::_setModel( const css::uno::Reference<css::xforms::XModel>& xModel
 OUString Binding::getModelID() const
 {
     Model* pModel = getModelImpl();
-    return ( pModel == NULL ) ? OUString() : pModel->getID();
+    return ( pModel == nullptr ) ? OUString() : pModel->getID();
 }
 
 
@@ -243,7 +243,7 @@ bool Binding::isUseful()
     // 3) we are bound to some control
     //    (this can be assumed if some listeners are set)
     bool bUseful =
-        getModelImpl() == NULL
+        getModelImpl() == nullptr
 //        || msBindingID.getLength() > 0
         || ! msTypeName.isEmpty()
         || ! maReadonly.isEmptyExpression()
@@ -298,7 +298,7 @@ OUString Binding::explainInvalid()
 
 EvaluationContext Binding::getEvaluationContext() const
 {
-    OSL_ENSURE( getModelImpl() != NULL, "need model impl" );
+    OSL_ENSURE( getModelImpl() != nullptr, "need model impl" );
     EvaluationContext aContext = getModelImpl()->getEvaluationContext();
     aContext.mxNamespaces = getBindingNamespaces();
     return aContext;
@@ -306,7 +306,7 @@ EvaluationContext Binding::getEvaluationContext() const
 
 ::std::vector<EvaluationContext> Binding::getMIPEvaluationContexts()
 {
-    OSL_ENSURE( getModelImpl() != NULL, "need model impl" );
+    OSL_ENSURE( getModelImpl() != nullptr, "need model impl" );
 
     // bind (in case we were not bound before)
     bind();
@@ -325,7 +325,7 @@ Binding* SAL_CALL Binding::getBinding( const Reference<XPropertySet>& xPropertyS
     Reference<XUnoTunnel> xTunnel( xPropertySet, UNO_QUERY );
     return xTunnel.is()
         ? reinterpret_cast<Binding*>( xTunnel->getSomething(getUnoTunnelID()))
-        : NULL;
+        : nullptr;
 }
 
 
@@ -492,7 +492,7 @@ Model* Binding::getModelImpl( const css::uno::Reference<css::xforms::XModel>& xM
     Model* pModel = xTunnel.is()
         ? reinterpret_cast<Model*>(
             xTunnel->getSomething( Model::getUnoTunnelID() ) )
-        : NULL;
+        : nullptr;
     return pModel;
 }
 
@@ -538,7 +538,7 @@ static void lcl_removeListenerFromNode( Reference<XNode> xNode,
 
 ::std::vector<EvaluationContext> Binding::_getMIPEvaluationContexts() const
 {
-    OSL_ENSURE( getModelImpl() != NULL, "need model impl" );
+    OSL_ENSURE( getModelImpl() != nullptr, "need model impl" );
 
     // iterate over nodes of bind expression and create
     // EvaluationContext for each
@@ -621,7 +621,7 @@ void Binding::bind( bool bForceRebind )
 
     // 3) remove old MIPs defined by this binding
     Model* pModel = getModelImpl();
-    OSL_ENSURE( pModel != NULL, "need model" );
+    OSL_ENSURE( pModel != nullptr, "need model" );
     pModel->removeMIPs( this );
 
     // 4) calculate all MIPs
@@ -809,7 +809,7 @@ css::uno::Reference<css::xsd::XDataType> Binding::getDataType()
 
     return ( xRepository.is() && xRepository->hasByName( sTypeName ) )
         ? Reference<XDataType>( xRepository->getByName( sTypeName ), UNO_QUERY)
-        : Reference<XDataType>( NULL );
+        : Reference<XDataType>( nullptr );
 }
 
 bool Binding::isValid_DataType()
@@ -831,7 +831,7 @@ void Binding::clear()
 {
     // remove MIPs contributed by this binding
     Model* pModel = getModelImpl();
-    if( pModel != NULL )
+    if( pModel != nullptr )
         pModel->removeMIPs( this );
 
     // remove all references
@@ -924,7 +924,7 @@ css::uno::Reference<css::container::XNameContainer> Binding::_getNamespaces() co
 
     // merge model's with binding's own namespaces
     Model* pModel = getModelImpl();
-    if( pModel != NULL )
+    if( pModel != nullptr )
         lcl_copyNamespaces( pModel->getNamespaces(), xNamespaces, false );
 
     return xNamespaces;
@@ -936,10 +936,10 @@ void Binding::_setNamespaces( const css::uno::Reference<css::container::XNameCon
                               bool bBinding )
 {
     Model* pModel = getModelImpl();
-    css::uno::Reference<css::container::XNameContainer> xModelNamespaces = ( pModel != NULL )
+    css::uno::Reference<css::container::XNameContainer> xModelNamespaces = ( pModel != nullptr )
                                             ? pModel->getNamespaces()
-                                            : NULL;
-    OSL_ENSURE( ( pModel != NULL ) == xModelNamespaces.is(), "no model nmsp?");
+                                            : nullptr;
+    OSL_ENSURE( ( pModel != nullptr ) == xModelNamespaces.is(), "no model nmsp?");
 
     // remove deleted namespaces
     lcl_removeOtherNamespaces( rNamespaces, mxNamespaces );
@@ -1265,7 +1265,7 @@ void Binding::handleEvent( const css::uno::Reference<css::xml::dom::events::XEve
 sal_Int64 Binding::getSomething( const css::uno::Sequence<sal_Int8>& xId )
     throw( RuntimeException, std::exception )
 {
-    return reinterpret_cast<sal_Int64>( ( xId == getUnoTunnelID() ) ? this : NULL );
+    return reinterpret_cast<sal_Int64>( ( xId == getUnoTunnelID() ) ? this : nullptr );
 }
 
 
@@ -1298,11 +1298,11 @@ css::uno::Reference<css::util::XCloneable> SAL_CALL Binding::createClone()
 
 #define REGISTER_PROPERTY_RO( property, type )   \
     registerProperty( PROPERTY_RO( property, type ), \
-    new DirectPropertyAccessor< Binding, type >( this, NULL, &Binding::get##property ) );
+    new DirectPropertyAccessor< Binding, type >( this, nullptr, &Binding::get##property ) );
 
 #define REGISTER_BOOL_PROPERTY_RO( property )   \
     registerProperty( PROPERTY_RO( property, sal_Bool ), \
-    new BooleanPropertyAccessor< Binding, bool >( this, NULL, &Binding::get##property ) );
+    new BooleanPropertyAccessor< Binding, bool >( this, nullptr, &Binding::get##property ) );
 
 void Binding::initializePropertySet()
 {
diff --git a/forms/source/xforms/convert.cxx b/forms/source/xforms/convert.cxx
index ddf1c7c8dc0e..0e05f2ef2221 100644
--- a/forms/source/xforms/convert.cxx
+++ b/forms/source/xforms/convert.cxx
@@ -286,11 +286,11 @@ void Convert::init()
 Convert& Convert::get()
 {
     // create our Singleton instance on demand
-    static Convert* pConvert = NULL;
-    if( pConvert == NULL )
+    static Convert* pConvert = nullptr;
+    if( pConvert == nullptr )
         pConvert = new Convert();
 
-    OSL_ENSURE( pConvert != NULL, "no converter?" );
+    OSL_ENSURE( pConvert != nullptr, "no converter?" );
     return *pConvert;
 }
 
diff --git a/forms/source/xforms/model.cxx b/forms/source/xforms/model.cxx
index 4095073e1e3a..b7fe53b77b33 100644
--- a/forms/source/xforms/model.cxx
+++ b/forms/source/xforms/model.cxx
@@ -101,8 +101,8 @@ void Model::ensureAtLeastOneInstance()
 /** Model default constructor; create empty model */
 Model::Model() :
     msID(),
-    mpBindings( NULL ),
-    mpSubmissions( NULL ),
+    mpBindings( nullptr ),
+    mpSubmissions( nullptr ),
     mpInstances( new InstanceCollection ),
     mxNamespaces( new NameContainer<OUString>() ),
     mxBindings( mpBindings ),
@@ -129,13 +129,13 @@ Model::~Model() throw()
 {
     // give up bindings & submissions; the mxBindings/mxSubmissions
     // references will then delete them
-    mpBindings = NULL;
-    mpSubmissions = NULL;
+    mpBindings = nullptr;
+    mpSubmissions = nullptr;
 }
 
 static Model* lcl_getModel( const Reference<XUnoTunnel>& xTunnel )
 {
-    Model* pModel = NULL;
+    Model* pModel = nullptr;
     if( xTunnel.is() )
         pModel = reinterpret_cast<Model*>(
             xTunnel->getSomething( Model::getUnoTunnelID() ) );
@@ -219,7 +219,7 @@ void Model::dbg_assertInvariant() const
 // MIP management
 void Model::addMIP( void* pTag, const XNode_t& xNode, const MIP& rMIP )
 {
-    OSL_ENSURE( pTag != NULL, "empty tag?" );
+    OSL_ENSURE( pTag != nullptr, "empty tag?" );
     OSL_ENSURE( xNode.is(), "no node" );
 
     MIPs_t::value_type aValue( xNode, ::std::pair<void*,MIP>( pTag, rMIP ) );
@@ -228,7 +228,7 @@ void Model::addMIP( void* pTag, const XNode_t& xNode, const MIP& rMIP )
 
 void Model::removeMIPs( void* pTag )
 {
-    OSL_ENSURE( pTag != NULL, "empty tag?" );
+    OSL_ENSURE( pTag != nullptr, "empty tag?" );
 
     for( MIPs_t::iterator aIter = maMIPs.begin();
          aIter != maMIPs.end(); )
@@ -273,14 +273,14 @@ MIP Model::queryMIP( const XNode_t& xNode ) const
 
 void Model::rebind()
 {
-    OSL_ENSURE( mpBindings != NULL, "bindings?" );
+    OSL_ENSURE( mpBindings != nullptr, "bindings?" );
 
     // iterate over all bindings and call update
     sal_Int32 nCount = mpBindings->countItems();
     for( sal_Int32 i = 0; i < nCount; i++ )
     {
         Binding* pBind = Binding::getBinding( mpBindings->Collection<XPropertySet_t>::getItem( i ) );
-        OSL_ENSURE( pBind != NULL, "binding?" );
+        OSL_ENSURE( pBind != nullptr, "binding?" );
         pBind->update();
     }
 }
@@ -294,7 +294,7 @@ void Model::deferNotifications( bool bDefer )
     for( sal_Int32 i = 0; i < nCount; i++ )
     {
         Binding* pBind = Binding::getBinding( mpBindings->Collection<XPropertySet_t>::getItem( i ) );
-        OSL_ENSURE( pBind != NULL, "binding?" );
+        OSL_ENSURE( pBind != nullptr, "binding?" );
         pBind->deferNotifications( bDefer );
     }
 }
@@ -370,7 +370,7 @@ void Model::loadInstance( sal_Int32 nInstance )
     // find URL from instance
     OUString sURL;
     bool bOnce = false;
-    getInstanceData( aSequence, NULL, NULL, &sURL, &bOnce );
+    getInstanceData( aSequence, nullptr, nullptr, &sURL, &bOnce );
 
     // if we have a URL, load the document and set it into the instance
     if( !sURL.isEmpty() )
@@ -386,8 +386,8 @@ void Model::loadInstance( sal_Int32 nInstance )
                 if( xInstance.is() )
                 {
                     OUString sEmpty;
-                    setInstanceData( aSequence, NULL, &xInstance,
-                                     bOnce ? &sEmpty : &sURL, NULL);
+                    setInstanceData( aSequence, nullptr, &xInstance,
+                                     bOnce ? &sEmpty : &sURL, nullptr);
                     mpInstances->setItem( nInstance, aSequence );
                 }
             }
@@ -417,7 +417,7 @@ bool Model::isValid() const
     for( sal_Int32 i = 0; bValid && i < nCount; i++ )
     {
         Binding* pBind = Binding::getBinding( mpBindings->Collection<XPropertySet_t>::getItem( i ) );
-        OSL_ENSURE( pBind != NULL, "binding?" );
+        OSL_ENSURE( pBind != nullptr, "binding?" );
         bValid = pBind->isValid();
     }
     return bValid;
@@ -497,7 +497,7 @@ void SAL_CALL Model::submitWithInteraction(
     {
         Submission* pSubmission =
             Submission::getSubmission( mpSubmissions->getItem( sID ) );
-        OSL_ENSURE( pSubmission != NULL, "no submission?" );
+        OSL_ENSURE( pSubmission != nullptr, "no submission?" );
         OSL_ENSURE( pSubmission->getModel() == Reference<XModel>( this ),
                     "wrong model" );
 
@@ -509,7 +509,7 @@ void SAL_CALL Model::submitWithInteraction(
 void Model::submit( const OUString& sID )
     throw( VetoException, WrappedTargetException, RuntimeException, std::exception )
 {
-    submitWithInteraction( sID, NULL );
+    submitWithInteraction( sID, nullptr );
 }
 
 css::uno::Reference<css::xforms::XDataTypeRepository> SAL_CALL Model::getDataTypeRepository(  )
@@ -539,7 +539,7 @@ css::uno::Reference<css::xml::dom::XDocument> Model::getInstanceDocument( const
     sal_Int32 nInstance = lcl_findInstance( mpInstances, rName );
     if( nInstance != -1 )
         getInstanceData( mpInstances->getItem( nInstance ),
-                         NULL, &aInstance, NULL, NULL );
+                         nullptr, &aInstance, nullptr, nullptr );
     return aInstance;
 }
 
@@ -549,7 +549,7 @@ css::uno::Reference<css::xml::dom::XDocument> SAL_CALL Model::getDefaultInstance
     ensureAtLeastOneInstance();
     DBG_ASSERT( mpInstances->countItems() > 0, "no instance?" );
     Reference<XDocument> aInstance;
-    getInstanceData( mpInstances->getItem( 0 ), NULL, &aInstance, NULL, NULL );
+    getInstanceData( mpInstances->getItem( 0 ), nullptr, &aInstance, nullptr, nullptr );
     return aInstance;
 }
 
@@ -579,7 +579,7 @@ Model::XPropertySet_t Model::getBinding( const OUString& sId )
     throw( RuntimeException, std::exception )
 {
     DBG_INVARIANT();
-    return mpBindings->hasItem( sId ) ? mpBindings->getItem( sId ) : NULL;
+    return mpBindings->hasItem( sId ) ? mpBindings->getItem( sId ) : nullptr;
 }
 
 css::uno::Reference<css::container::XSet> Model::getBindings()
@@ -670,7 +670,7 @@ void Model::update()
 sal_Int64 Model::getSomething( const css::uno::Sequence<sal_Int8>& xId )
     throw( RuntimeException, std::exception )
 {
-    return reinterpret_cast<sal_Int64>( ( xId == getUnoTunnelID() ) ? this : NULL );
+    return reinterpret_cast<sal_Int64>( ( xId == getUnoTunnelID() ) ? this : nullptr );
 }
 
 Sequence<sal_Int8> Model::getImplementationId()
diff --git a/forms/source/xforms/model_helper.hxx b/forms/source/xforms/model_helper.hxx
index 0635b7be35de..3f2752c314ed 100644
--- a/forms/source/xforms/model_helper.hxx
+++ b/forms/source/xforms/model_helper.hxx
@@ -57,19 +57,19 @@ public:
 
     virtual bool isValid( const T& t ) const override
     {
-        return Binding::getBinding( t ) != NULL;
+        return Binding::getBinding( t ) != nullptr;
     }
 
 protected:
     virtual void _insert( const T& t ) override
     {
-        OSL_ENSURE( Binding::getBinding( t ) != NULL, "invalid item?" );
+        OSL_ENSURE( Binding::getBinding( t ) != nullptr, "invalid item?" );
         Binding::getBinding( t )->_setModel( css::uno::Reference<css::xforms::XModel>( mpModel ) );
     }
 
     virtual void _remove( const T& t ) override
     {
-        OSL_ENSURE( Binding::getBinding( t ) != NULL, "invalid item?" );
+        OSL_ENSURE( Binding::getBinding( t ) != nullptr, "invalid item?" );
         Binding::getBinding( t )->_setModel( css::uno::Reference<css::xforms::XModel>() );
     }
 };
@@ -85,19 +85,19 @@ public:
 public:
     virtual bool isValid( const T& t ) const override
     {
-        return Submission::getSubmission( t ) != NULL;
+        return Submission::getSubmission( t ) != nullptr;
     }
 
 protected:
     virtual void _insert( const T& t ) override
     {
-        OSL_ENSURE( Submission::getSubmission( t ) != NULL, "invalid item?" );
+        OSL_ENSURE( Submission::getSubmission( t ) != nullptr, "invalid item?" );
         Submission::getSubmission( t )->setModel( css::uno::Reference<css::xforms::XModel>( mpModel ) );
     }
 
     virtual void _remove( const T& t ) override
     {
-        OSL_ENSURE( Submission::getSubmission( t ) != NULL, "invalid item?" );
+        OSL_ENSURE( Submission::getSubmission( t ) != nullptr, "invalid item?" );
         Submission::getSubmission( t )->setModel( css::uno::Reference<css::xforms::XModel>( ) );
     }
 };
diff --git a/forms/source/xforms/model_ui.cxx b/forms/source/xforms/model_ui.cxx
index 730a0f69b405..dd393299fe23 100644
--- a/forms/source/xforms/model_ui.cxx
+++ b/forms/source/xforms/model_ui.cxx
@@ -134,7 +134,7 @@ static void lcl_OutPosition( OUStringBuffer& rBuffer,
     if( xNode->getParentNode().is() )
     {
         for( Reference<XNode> xIter = xNode->getParentNode()->getFirstChild();
-             xIter != NULL;
+             xIter != nullptr;
              xIter = xIter->getNextSibling() )
         {
             if( xIter->getNodeType() == xNode->getNodeType() &&
@@ -192,7 +192,7 @@ static void lcl_OutInstance( OUStringBuffer& rBuffer,
             // get ID and instance
             OUString sId;
             Reference<XDocument> xInstance;
-            getInstanceData( aValues, &sId, &xInstance, NULL, NULL );
+            getInstanceData( aValues, &sId, &xInstance, nullptr, nullptr );
 
             // now check whether this was our instance:
             if( xInstance == xDoc )
@@ -247,7 +247,7 @@ OUString Model::getDefaultBindingExpressionForNode(
         default:
             // unknown type? fail!
             OSL_FAIL( "unknown node type!" );
-            xCurrent.set( NULL );
+            xCurrent.set( nullptr );
             aBuffer.makeStringAndClear();
             // we'll remove the slash below
             aBuffer.insert( 0, '/' );
@@ -399,7 +399,7 @@ void Model::removeBindingIfUseless( const XPropertySet_t& xBinding )
     throw( RuntimeException, std::exception )
 {
     Binding* pBinding = Binding::getBinding( xBinding );
-    if( pBinding != NULL )
+    if( pBinding != nullptr )
     {
         if( ! pBinding->isUseful() )
             mpBindings->removeItem( pBinding );
@@ -450,7 +450,7 @@ sal_Int32 xforms::lcl_findInstance( const InstanceCollection* pInstances,
     for( ; !bFound  &&  n < nLength; n++ )
     {
         OUString sName;
-        getInstanceData( pInstances->getItem( n ), &sName, NULL, NULL, NULL );
+        getInstanceData( pInstances->getItem( n ), &sName, nullptr, nullptr, nullptr );
         bFound = ( sName == rName );
     }
     return bFound ? ( n - 1 ) : -1;
@@ -702,7 +702,7 @@ Model::XPropertySet_t Model::getBindingForNode( const XNode_t& xNode,
     // appropriateness of the respective binding for this node. The
     // best one will be used. If we don't find any and bCreate is set,
     // then we will create a suitable binding.
-    Binding* pBestBinding = NULL;
+    Binding* pBestBinding = nullptr;
     sal_Int32 nBestScore = 0;
 
     for( sal_Int32 n = 0; n < mpBindings->countItems(); n++ )
@@ -710,7 +710,7 @@ Model::XPropertySet_t Model::getBindingForNode( const XNode_t& xNode,
         Binding* pBinding = Binding::getBinding(
             mpBindings->Collection<XPropertySet_t>::getItem( n ) );
 
-        OSL_ENSURE( pBinding != NULL, "no binding?" );
+        OSL_ENSURE( pBinding != nullptr, "no binding?" );
         Reference<XNodeList> xNodeList = pBinding->getXNodeList();
 
         sal_Int32 nNodes = xNodeList.is() ? xNodeList->getLength() : 0;
@@ -736,9 +736,9 @@ Model::XPropertySet_t Model::getBindingForNode( const XNode_t& xNode,
     }
 
     // create binding, if none was found and bCreate is set
-    OSL_ENSURE( ( nBestScore == 0 ) == ( pBestBinding == NULL ),
+    OSL_ENSURE( ( nBestScore == 0 ) == ( pBestBinding == nullptr ),
                 "score != binding?" );
-    if( bCreate  &&  pBestBinding == NULL )
+    if( bCreate  &&  pBestBinding == nullptr )
     {
         pBestBinding = new Binding();
         pBestBinding->setBindingExpression(
@@ -905,7 +905,7 @@ OUString Model::getResultForExpression(
     throw( RuntimeException, std::exception )
 {
     Binding* pBinding = Binding::getBinding( xBinding );
-    if( pBinding == NULL )
+    if( pBinding == nullptr )
         throw RuntimeException();
 
     // prepare & evaluate expression
@@ -938,13 +938,13 @@ OUString Model::getResultForExpression(
 sal_Bool Model::isValidXMLName( const OUString& sName )
     throw( RuntimeException, std::exception )
 {
-    return isValidQName( sName, NULL );
+    return isValidQName( sName, nullptr );
 }
 
 sal_Bool Model::isValidPrefixName( const OUString& sName )
     throw( RuntimeException, std::exception )
 {
-    return ::isValidPrefixName( sName, NULL );
+    return ::isValidPrefixName( sName, nullptr );
 }
 
 void Model::setNodeValue(
@@ -973,7 +973,7 @@ void xforms::getInstanceData(
     {
         const PropertyValue& rValue = pValues[n];
 #define PROP(NAME) \
-        if( p##NAME != NULL && \
+        if( p##NAME != nullptr && \
             rValue.Name == #NAME ) \
             rValue.Value >>= (*p##NAME)
         PROP(ID);
@@ -997,13 +997,13 @@ void xforms::setInstanceData(
     OUString sURL;
     bool bURLOnce = false;
     getInstanceData( aSequence, &sID, &xInstance, &sURL, &bURLOnce );
-    const OUString* pID = !sID.isEmpty() ? &sID : NULL;
-    const Reference<XDocument>* pInstance = xInstance.is() ? &xInstance : NULL;
-    const OUString* pURL = !sURL.isEmpty() ? &sURL : NULL;
-    const bool* pURLOnce = ( bURLOnce && pURL != NULL ) ? &bURLOnce : NULL;
+    const OUString* pID = !sID.isEmpty() ? &sID : nullptr;
+    const Reference<XDocument>* pInstance = xInstance.is() ? &xInstance : nullptr;
+    const OUString* pURL = !sURL.isEmpty() ? &sURL : nullptr;
+    const bool* pURLOnce = ( bURLOnce && pURL != nullptr ) ? &bURLOnce : nullptr;
 
     // determine new instance data
-#define PROP(NAME) if( _p##NAME != NULL ) p##NAME = _p##NAME
+#define PROP(NAME) if( _p##NAME != nullptr ) p##NAME = _p##NAME
     PROP(ID);
     PROP(Instance);
     PROP(URL);
@@ -1012,7 +1012,7 @@ void xforms::setInstanceData(
 
     // count # of values we want to set
     sal_Int32 nCount = 0;
-#define PROP(NAME) if( p##NAME != NULL ) nCount++
+#define PROP(NAME) if( p##NAME != nullptr ) nCount++
     PROP(ID);
     PROP(Instance);
     PROP(URL);
@@ -1024,7 +1024,7 @@ void xforms::setInstanceData(
     PropertyValue* pSequence = aSequence.getArray();
     sal_Int32 nIndex = 0;
 #define PROP(NAME) \
-    if( p##NAME != NULL ) \
+    if( p##NAME != nullptr ) \
     { \
         pSequence[ nIndex ].Name = #NAME; \
         pSequence[ nIndex ].Value <<= *p##NAME; \
diff --git a/forms/source/xforms/propertysetbase.cxx b/forms/source/xforms/propertysetbase.cxx
index 815f04c9d748..986635143f71 100644
--- a/forms/source/xforms/propertysetbase.cxx
+++ b/forms/source/xforms/propertysetbase.cxx
@@ -45,7 +45,7 @@ PropertyAccessorBase::~PropertyAccessorBase()
 }
 
 PropertySetBase::PropertySetBase( )
-    :m_pProperties( NULL )
+    :m_pProperties( nullptr )
 {
 }
 
@@ -94,10 +94,10 @@ void PropertySetBase::notifyAndCachePropertyValue( sal_Int32 nHandle )
             // determine the type of this property
             ::cppu::IPropertyArrayHelper& rPropertyMetaData = getInfoHelper();
             OUString sPropName;
-            OSL_VERIFY( rPropertyMetaData.fillPropertyMembersByHandle( &sPropName, NULL, nHandle ) );
+            OSL_VERIFY( rPropertyMetaData.fillPropertyMembersByHandle( &sPropName, nullptr, nHandle ) );
             Property aProperty = rPropertyMetaData.getPropertyByName( sPropName );
             // default construct a value of this type
-            Any aEmptyValue( NULL, aProperty.Type );
+            Any aEmptyValue( nullptr, aProperty.Type );
             // insert into the cache
             aPos = m_aCache.insert( PropertyValueCache::value_type( nHandle, aEmptyValue ) ).first;
         }
diff --git a/forms/source/xforms/submission.cxx b/forms/source/xforms/submission.cxx
index 0ec72bc5456f..a547e5c9274e 100644
--- a/forms/source/xforms/submission.cxx
+++ b/forms/source/xforms/submission.cxx
@@ -212,7 +212,7 @@ bool Submission::doSubmit( const Reference< XInteractionHandler >& xHandler )
     if( !msBind.isEmpty() )
     {
         Binding* pBinding = Binding::getBinding( mxModel->getBinding(msBind) );
-        if( pBinding != NULL )
+        if( pBinding != nullptr )
         {
             aExpression.setExpression( pBinding->getBindingExpression() );
             aEvalContext = pBinding->getEvaluationContext();
@@ -284,7 +284,7 @@ Submission* Submission::getSubmission(
     return xTunnel.is()
         ? reinterpret_cast<Submission*>(
             xTunnel->getSomething( getUnoTunnelID() ) )
-        : NULL;
+        : nullptr;
 }
 
 
@@ -303,7 +303,7 @@ void Submission::liveCheck()
 
 Model* Submission::getModelImpl() const
 {
-    Model* pModel = NULL;
+    Model* pModel = nullptr;
     if( mxModel.is() )
         pModel = Model::getModel( mxModel );
     return pModel;
@@ -433,7 +433,7 @@ void SAL_CALL Submission::submitWithInteraction(
               );
 
     Model* pModel = Model::getModel( xModel );
-    OSL_ENSURE( pModel != NULL, "illegal model?" );
+    OSL_ENSURE( pModel != nullptr, "illegal model?" );
 
     // #i36765# #i47248# warning on submission of illegal data
     // check for validity (and query user if invalid)
@@ -510,7 +510,7 @@ void SAL_CALL Submission::submitWithInteraction(
 
 void SAL_CALL Submission::submit( ) throw ( VetoException, WrappedTargetException, RuntimeException, std::exception )
 {
-    submitWithInteraction( NULL );
+    submitWithInteraction( nullptr );
 }
 
 void SAL_CALL Submission::addSubmissionVetoListener( const Reference< XSubmissionVetoListener >& /*listener*/ ) throw (NoSupportException, RuntimeException, std::exception)
diff --git a/forms/source/xforms/submission/replace.cxx b/forms/source/xforms/submission/replace.cxx
index 0cbc86fefeb0..93861082c9ee 100644
--- a/forms/source/xforms/submission/replace.cxx
+++ b/forms/source/xforms/submission/replace.cxx
@@ -121,7 +121,7 @@ CSubmission::SubmissionResult CSubmission::replace(const OUString& aReplace, con
         pHelper->m_aInteractionHandler = _xHandler;
     else
         pHelper->m_aInteractionHandler.set(
-            InteractionHandler::createWithParent(m_xContext, 0), UNO_QUERY_THROW);
+            InteractionHandler::createWithParent(m_xContext, nullptr), UNO_QUERY_THROW);
 
     CProgressHandlerHelper *pProgressHelper = new CProgressHandlerHelper;
     pHelper->m_aProgressHandler.set(pProgressHelper);
diff --git a/forms/source/xforms/submission/submission_get.cxx b/forms/source/xforms/submission/submission_get.cxx
index e638213828e8..a120e95e4e08 100644
--- a/forms/source/xforms/submission/submission_get.cxx
+++ b/forms/source/xforms/submission/submission_get.cxx
@@ -62,7 +62,7 @@ CSubmission::SubmissionResult CSubmissionGet::submit(const css::uno::Reference<
         pHelper->m_aInteractionHandler = aInteractionHandler;
     else
         pHelper->m_aInteractionHandler.set(
-            css::task::InteractionHandler::createWithParent(m_xContext, 0), UNO_QUERY_THROW);
+            css::task::InteractionHandler::createWithParent(m_xContext, nullptr), UNO_QUERY_THROW);
     CProgressHandlerHelper *pProgressHelper = new CProgressHandlerHelper;
     pHelper->m_aProgressHandler.set(pProgressHelper);
 
diff --git a/forms/source/xforms/xpathlib/xpathlib.cxx b/forms/source/xforms/xpathlib/xpathlib.cxx
index 7d1943d365ed..fe68cd93a845 100644
--- a/forms/source/xforms/xpathlib/xpathlib.cxx
+++ b/forms/source/xforms/xpathlib/xpathlib.cxx
@@ -83,7 +83,7 @@ xmlXPathFunction xforms_lookupFunc(void *, const xmlChar *xname, const xmlChar *
     else if ((strcmp("current", name))==0)
         return xforms_currentFunction;
     else
-        return NULL;
+        return nullptr;
 }
 
 // boolean functions