Here is a list of all class members with links to the classes they belong to:
- o -
- ObjectClassPtr : ReferenceCountedArray< ObjectClass, TypeOfCriticalSectionToUse >
- octagonal() : AudioChannelSet
- octave : ControlButton
- oddItemsColourId : TreeView
- off : MPENote, PushNotifications::Notification
- offerEventToActiveXControl() : ActiveXControlComponent
- offerEventToActiveXControlStatic() : ActiveXControlComponent
- offscreenMousePos : MouseInputSource
- offset : DropShadow
- offsetAll() : RectangleList< ValueType >
- offStrings : AudioPluginInstance::Parameter
- OggVorbisAudioFormat() : OggVorbisAudioFormat
- ok() : Result
- onChange : ComboBox, NetworkServiceDiscovery::AvailableServiceList
- onClick : Button
- onDefaultChange : ValueWithDefault
- onDragEnd : Slider
- onDragStart : Slider
- onEditorHide : Label
- onEditorShow : Label
- onErrorOccurred : CameraDevice, VideoComponent
- onEscapeKey : TextEditor
- onFocusLost : TextEditor
- ongoing : PushNotifications::Notification
- onHeightChange : MultiChoicePropertyComponent
- OnlineUnlockForm() : OnlineUnlockForm
- OnlineUnlockStatus() : OnlineUnlockStatus
- onlyIncreaseInSize : RectanglePlacement
- onlyReduceInSize : RectanglePlacement
- onPanelMove : SidePanel
- onPanelShowHide : SidePanel
- onPlaybackStarted : VideoComponent
- onPlaybackStopped : VideoComponent
- onReturnKey : TextEditor
- onShaderActivated : OpenGLGraphicsContextCustomShader
- onStateChange : Button
- onStrings : AudioPluginInstance::Parameter
- onTextChange : Label, TextEditor
- onValueChange : Slider
- open() : AudioIODevice, BluetoothMidiDevicePairingDialogue, DynamicLibrary
- OpenCameraResultCallback : CameraDevice
- openDevice() : AudioCDBurner, CameraDevice, MidiInput, MidiOutput, PhysicalTopologySource::DeviceDetector
- openDeviceAsync() : CameraDevice
- openDocument() : Process
- openedOk() : FileInputStream, FileOutputStream
- openEmailWithAttachments() : Process
- openExisting() : NamedPipe
- openGL3_2 : OpenGLContext
- OpenGLAppComponent() : OpenGLAppComponent
- OpenGLContext() : OpenGLContext
- openGLContext : OpenGLAppComponent
- openGLContextClosing() : OpenGLRenderer
- OpenGLFrameBuffer() : OpenGLFrameBuffer
- OpenGLGraphicsContextCustomShader() : OpenGLGraphicsContextCustomShader
- OpenGLImageType() : OpenGLImageType
- OpenGLPixelFormat() : OpenGLPixelFormat
- OpenGLRenderer() : OpenGLRenderer
- OpenGLShaderProgram() : OpenGLShaderProgram
- OpenGLTexture() : OpenGLTexture
- OpenGLVersion : OpenGLContext
- openMode : FileBrowserComponent
- Openness : TreeViewItem
- opennessClosed : TreeViewItem
- opennessDefault : TreeViewItem
- opennessOpen : TreeViewItem
- OpennessRestorer() : TreeViewItem::OpennessRestorer
- OpenStreamProgressCallback : URL
- openTray() : AudioCDBurner
- OperatingSystemType : SystemStats
- operator bool() : AudioParameterBool, dsp::FixedSizeFunction< len, Ret(Args...)>, Result, var
- operator ComponentType *() : Component::SafePointer< ComponentType >
- operator const CharType *() : CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8
- operator const String::CharPointerType::CharType *() : StringRef
- operator const void *() : HeapBlock< ElementType, throwOnFailure >
- operator double() : var
- operator ElementType *() : HeapBlock< ElementType, throwOnFailure >
- operator float() : AudioParameterFloat, var
- operator int() : AudioParameterChoice, AudioParameterInt, var
- operator int64() : var
- operator ObjectType *() : LinkedListPointer< ObjectType >, OptionalScopedPointer< ObjectType >, WeakReference< ObjectType, ReferenceCountingType >
- operator ReferencedType *() : ReferenceCountedObjectPtr< ObjectType >
- operator SharedObjectType *() : SharedResourcePointer< SharedObjectType >
- operator String() : AudioParameterChoice, NewLine, var
- operator String::CharPointerType() : Identifier, StringRef
- operator StringRef() : Identifier, NewLine
- operator Type() : CachedValue< Type >, dsp::SIMDRegister< Type >::ElementAccess
- operator Type *() : ThreadLocalValue< Type >
- operator uint32() : BlocksProtocol::IntegerWithBitSize< numBits >
- operator var() : Value
- operator void *() : HeapBlock< ElementType, throwOnFailure >
- operator!() : Result
- operator!=() : AffineTransform, ArgumentList::Argument, Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >, ArrayBase< ElementType, TypeOfCriticalSectionToUse >, AudioChannelSet, AudioDeviceManager::AudioDeviceSetup, AudioPlayHead::CurrentPositionInfo, AudioProcessor::BusesLayout, AudioProcessorGraph::Connection, AudioProcessorGraph::NodeAndChannel, AudioProcessorGraph::NodeID, BigInteger, Block::ConfigMetaData, Block::ConnectionPort, Block, BlockDeviceConnection, BlocksProtocol::BlockStringData< MaxSize >, BlocksProtocol::DeviceConnection, BlocksVersion, BlockTopology, BorderSize< ValueType >, CachedValue< Type >, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, CodeDocument::Position, Colour, ColourGradient, Component::SafePointer< ComponentType >, dsp::AudioBlock< SampleType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Expression::Symbol, File, FillType, Font, HashMap< KeyType, ValueType, HashFunctionType, TypeOfCriticalSectionToUse >::Iterator, HeapBlock< ElementType, throwOnFailure >, Identifier, Image, IPAddress, Justification, KeyPress, Line< ValueType >, LookAndFeel_V4::ColourScheme, MACAddress, MarkerList::Marker, MarkerList, MD5, MemoryBlock, MidiBufferIterator, MidiDeviceInfo, ModifierKeys, MouseCursor, MouseInputSource, MPENote, MPEValue, MPEZoneLayout::Zone, NamedValueSet::NamedValue, NamedValueSet, OpenGLPixelFormat, OSCAddress, OSCAddressPattern, Parallelogram< ValueType >, Path, PathStrokeType, Point< ValueType >, Range< ValueType >, RangedDirectoryIterator, Rectangle< ValueType >, RectanglePlacement, ReferenceCountedArray< ObjectClass, TypeOfCriticalSectionToUse >, ReferenceCountedObjectPtr< ObjectType >, RelativeCoordinate, RelativeParallelogram, RelativePoint, RelativePointPath, RelativeRectangle, ResizableBorderComponent::Zone, Result, RSAKey, SHA256, SortedSet< ElementType, TypeOfCriticalSectionToUse >, SparseSet< Type >, StringArray, StringPairArray, StringRef, universal_midi_packets::Iterator, universal_midi_packets::View, URL, Uuid, Value, ValueTree::Iterator, ValueTree, WeakReference< ObjectType, ReferenceCountingType >, Whirlpool
- operator%() : BigInteger
- operator%=() : BigInteger
- operator&() : BigInteger, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >
- operator&=() : BigInteger, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >
- operator()() : dsp::FixedSizeFunction< len, Ret(Args...)>, dsp::LookupTableTransform< FloatType >, dsp::Matrix< ElementType >, dsp::Polynomial< FloatingType >, universal_midi_packets::BytestreamToBytestreamHandler::Factory, universal_midi_packets::BytestreamToUMPHandler::Factory, universal_midi_packets::U32ToBytestreamHandler::Factory, universal_midi_packets::U32ToUMPHandler::Factory
- operator*() : BigInteger, CachedValue< Type >, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Expression, HashMap< KeyType, ValueType, HashFunctionType, TypeOfCriticalSectionToUse >::Iterator, Matrix3D< Type >, MidiBufferIterator, OptionalScopedPointer< ObjectType >, Parallelogram< ValueType >, Point< ValueType >, RangedDirectoryIterator, Rectangle< ValueType >, ReferenceCountedObjectPtr< ObjectType >, ThreadLocalValue< Type >, universal_midi_packets::Iterator, ValueTree::Iterator, Vector3D< Type >
- operator*=() : BigInteger, dsp::AudioBlock< SampleType >, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Matrix3D< Type >, Parallelogram< ValueType >, Point< ValueType >, Quaternion< Type >, Rectangle< ValueType >, Vector3D< Type >
- operator+() : BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Expression, HeapBlock< ElementType, throwOnFailure >, Parallelogram< ValueType >, Point< ValueType >, Range< ValueType >, Rectangle< ValueType >, Vector3D< Type >
- operator++() : Atomic< Type >, AudioData::Pointer< SampleFormat, Endianness, InterleavingType, Constness >, BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, HashMap< KeyType, ValueType, HashFunctionType, TypeOfCriticalSectionToUse >::Iterator, MidiBufferIterator, RangedDirectoryIterator, universal_midi_packets::Iterator, ValueTree::Iterator
- operator+=() : Atomic< Type >, AudioData::Pointer< SampleFormat, Endianness, InterleavingType, Constness >, BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, dsp::AudioBlock< SampleType >, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Parallelogram< ValueType >, Point< ValueType >, Range< ValueType >, Rectangle< ValueType >, RelativeTime, String, Time, Vector3D< Type >
- operator-() : BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Expression, Parallelogram< ValueType >, Point< ValueType >, Range< ValueType >, Rectangle< ValueType >, Vector3D< Type >
- operator--() : Atomic< Type >, AudioData::Pointer< SampleFormat, Endianness, InterleavingType, Constness >, BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8
- operator-=() : Atomic< Type >, BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, dsp::AudioBlock< SampleType >, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Parallelogram< ValueType >, Point< ValueType >, Range< ValueType >, Rectangle< ValueType >, RelativeTime, Time, Vector3D< Type >
- operator->() : CachedValue< Type >, Component::SafePointer< ComponentType >, HeapBlock< ElementType, throwOnFailure >, OptionalScopedPointer< ObjectType >, RangedDirectoryIterator, ReferenceCountedObjectPtr< ObjectType >, SharedResourcePointer< SharedObjectType >, ThreadLocalValue< Type >, universal_midi_packets::Iterator, WeakReference< ObjectType, ReferenceCountingType >
- operator/() : BigInteger, Expression, Point< ValueType >, Rectangle< ValueType >, Vector3D< Type >
- operator/=() : BigInteger, Point< ValueType >, Rectangle< ValueType >, Vector3D< Type >
- operator<() : AudioChannelSet, AudioProcessorGraph::Connection, AudioProcessorGraph::NodeID, BigInteger, BlocksVersion, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, File, Identifier, IPAddress, StringRef, Uuid
- operator<<() : BigInteger, BlocksProtocol::Packed7BitArrayBuilder< allocatedBytes >
- operator<<=() : BigInteger
- operator<=() : BigInteger, BlocksVersion, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, Identifier, IPAddress, StringRef, Uuid
- operator=() : AbstractFifo::ScopedReadWrite< mode >, AffineTransform, ArgumentList, Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >, ArrayAllocationBase< ElementType, TypeOfCriticalSectionToUse >, ArrayBase< ElementType, TypeOfCriticalSectionToUse >, Atomic< Type >, AttributedString::Attribute, AttributedString, AudioBuffer< Type >, AudioData::Pointer< SampleFormat, Endianness, InterleavingType, Constness >, AudioParameterBool, AudioParameterChoice, AudioParameterFloat, AudioParameterInt, AudioProcessorGraph::Connection, AudioProcessorParameterGroup, AudioProcessorValueTreeState::ParameterLayout, BigInteger, Block::ConfigMetaData, BlocksProtocol::IntegerWithBitSize< numBits >, BlowFish, CachedValue< Type >, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, CodeDocument::Iterator, CodeDocument::Position, Colour, ColourGradient, Component::SafePointer< ComponentType >, Drawable, dsp::AudioBlock< SampleType >, dsp::ConvolutionMessageQueue, dsp::FFT, dsp::FIR::Coefficients< NumericType >, dsp::FIR::Filter< SampleType >, dsp::FixedSizeFunction< len, Ret(Args...)>, dsp::IIR::Coefficients< NumericType >, dsp::IIR::Filter< SampleType >, dsp::Matrix< ElementType >, dsp::Polynomial< FloatingType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, dsp::StateVariableFilter::Parameters< NumericType >, EdgeTable, Expression, File, FileSearchPath, FillType, Font, GenericInterpolator< InterpolatorTraits, memorySize >, GlyphArrangement, HeapBlock< ElementType, throwOnFailure >, Identifier, IIRCoefficients, IIRFilter, Image, Justification, KeyPress, LeakedObjectDetector< OwnerClass >, LEDColour, Line< ValueType >, LinkedListPointer< ObjectType >, littlefoot::Runner< programAndHeapSpace, stackAndGlobalsSpace >::FunctionExecutionContext, LocalisedStrings, LookAndFeel_V4::ColourScheme, LowLevelGraphicsPostScriptRenderer::SavedState, MACAddress, MarkerList, Matrix3D< Type >, MD5, MemoryBlock, MidiFile, MidiMessage, MidiMessageSequence, ModifierKeys, MouseCursor, MouseInputSource, MPEZoneLayout, NamedValueSet::NamedValue, NamedValueSet, NormalisableRange< ValueType >, OptionalScopedPointer< ObjectType >, OwnedArray< ObjectClass, TypeOfCriticalSectionToUse >, Parallelogram< ValueType >, Path, PathStrokeType, PluginDescription, PluginHostType, Point< ValueType >, PopupMenu::Item, PopupMenu, PopupMenu::Options, PositionedGlyph, PropertySet, Quaternion< Type >, Range< ValueType >, Rectangle< ValueType >, RectangleList< ValueType >, RectanglePlacement, ReferenceCountedArray< ObjectClass, TypeOfCriticalSectionToUse >, ReferenceCountedObject, ReferenceCountedObjectPtr< ObjectType >, RelativeCoordinate, RelativeTime, ResizableBorderComponent::Zone, Result, SelectedItemSet< SelectableItemType >, SHA256, SingleThreadedReferenceCountedObject, SortedSet< ElementType, TypeOfCriticalSectionToUse >, SparseSet< Type >, SpeakerMappings::VstSpeakerConfigurationHolder, String, StringArray, StringPairArray, TextLayout::Glyph, TextLayout, ThreadLocalValue< Type >, Time, Uuid, Value, ValueTree, ValueWithDefault, var, Vector3D< Type >, WeakReference< ObjectType, ReferenceCountingType >, Whirlpool, XmlElement
- operator==() : AffineTransform, ArgumentList::Argument, Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >, ArrayBase< ElementType, TypeOfCriticalSectionToUse >, AudioChannelSet, AudioDeviceManager::AudioDeviceSetup, AudioPlayHead::CurrentPositionInfo, AudioProcessor::BusesLayout, AudioProcessorGraph::Connection, AudioProcessorGraph::NodeAndChannel, AudioProcessorGraph::NodeID, BigInteger, Block::ConfigMetaData, Block::ConnectionPort, Block, BlockDeviceConnection, BlocksProtocol::BlockStringData< MaxSize >, BlocksProtocol::DeviceConnection, BlocksVersion, BlockTopology, BorderSize< ValueType >, CachedValue< Type >, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, CodeDocument::Position, Colour, ColourGradient, Component::SafePointer< ComponentType >, dsp::AudioBlock< SampleType >, dsp::Matrix< ElementType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Expression::Symbol, File, FillType, Font, HeapBlock< ElementType, throwOnFailure >, Identifier, Image, IPAddress, Justification, KeyPress, Line< ValueType >, LookAndFeel_V4::ColourScheme, MACAddress, MarkerList::Marker, MarkerList, MD5, MemoryBlock, MidiBufferIterator, MidiDeviceInfo, ModifierKeys, MouseCursor, MouseInputSource, MPENote, MPEValue, MPEZoneLayout::Zone, NamedValueSet::NamedValue, NamedValueSet, OpenGLPixelFormat, OSCAddress, OSCAddressPattern, Parallelogram< ValueType >, Path, PathStrokeType, Point< ValueType >, Range< ValueType >, RangedDirectoryIterator, Rectangle< ValueType >, RectanglePlacement, ReferenceCountedArray< ObjectClass, TypeOfCriticalSectionToUse >, ReferenceCountedObjectPtr< ObjectType >, RelativeCoordinate, RelativeParallelogram, RelativePoint, RelativePointPath, RelativeRectangle, ResizableBorderComponent::Zone, Result, RSAKey, SHA256, SortedSet< ElementType, TypeOfCriticalSectionToUse >, SparseSet< Type >, StringArray, StringPairArray, StringRef, universal_midi_packets::Iterator, universal_midi_packets::View, URL, Uuid, Value, ValueTree::Iterator, ValueTree, WeakReference< ObjectType, ReferenceCountingType >, Whirlpool
- operator>() : BigInteger, BlocksVersion, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, File, Identifier, IPAddress, StringRef, Uuid
- operator>=() : BigInteger, BlocksVersion, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, Identifier, IPAddress, StringRef, Uuid
- operator>>() : BigInteger
- operator>>=() : BigInteger
- operator[]() : ArgumentList, Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >, ArrayBase< ElementType, TypeOfCriticalSectionToUse >, BigInteger, CharPointer_ASCII, CharPointer_UTF16, CharPointer_UTF32, CharPointer_UTF8, dsp::LookupTable< FloatType >, dsp::LookupTableTransform< FloatType >, dsp::Polynomial< FloatingType >, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, FileSearchPath, HashMap< KeyType, ValueType, HashFunctionType, TypeOfCriticalSectionToUse >, HeapBlock< ElementType, throwOnFailure >, LinkedListPointer< ObjectType >, MemoryBlock, NamedValueSet, OSCBundle, OSCMessage, OwnedArray< ObjectClass, TypeOfCriticalSectionToUse >, ReferenceCountedArray< ObjectClass, TypeOfCriticalSectionToUse >, SortedSet< ElementType, TypeOfCriticalSectionToUse >, SparseSet< Type >, String, StringArray, StringPairArray, StringRef, TouchList< Type >, universal_midi_packets::Packet< numWords >, universal_midi_packets::View, ValueTree, var
- operator^() : BigInteger, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >, Vector3D< Type >
- operator^=() : BigInteger, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >
- operatorType : Expression
- operator|() : BigInteger, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >
- operator|=() : BigInteger, dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >
- operator~() : dsp::SIMDRegister< Type >::ElementAccess, dsp::SIMDRegister< Type >
- optimiseTable() : EdgeTable
- OptionalScopedPointer() : OptionalScopedPointer< ObjectType >
- OptionFlags : TemporaryFile
- optionNames : Block::ConfigMetaData, BlockConfigManager::ConfigDescription
- Options() : PopupMenu::Options, PropertiesFile::Options
- options : StandalonePluginHolder
- order : FlexItem, GridItem
- orderId : InAppPurchases::Purchase
- Orientation : MidiKeyboardComponent, TabbedButtonBar
- orientation : MouseEvent
- originalComponent : MouseEvent
- originatingComponent : ApplicationCommandTarget::InvocationInfo
- originRelativeToComponent : Drawable
- OSCAddress() : OSCAddress
- OSCAddressPattern() : OSCAddressPattern
- OSCArgument() : OSCArgument
- OSCBundle() : OSCBundle
- oscBundleReceived() : OSCReceiver::Listener< CallbackType >
- OSCException() : OSCException
- OSCFormatError() : OSCFormatError
- Oscillator() : dsp::Oscillator< SampleType >
- OSCInternalError() : OSCInternalError
- OSCMessage() : OSCMessage
- oscMessageReceived() : OSCReceiver::Listener< CallbackType >, OSCReceiver::ListenerWithOSCAddress< CallbackType >
- OSCReceiver() : OSCReceiver
- OSCSender() : OSCSender
- OSCTimeTag() : OSCTimeTag
- osxLibrarySubFolder : PropertiesFile::Options
- otherMeter : AudioProcessorParameter
- out : LowLevelGraphicsPostScriptRenderer
- outline : LookAndFeel_V4::ColourScheme
- outlineColourId : AlertWindow, BooleanPropertyComponent, BubbleComponent, ComboBox, GroupComponent, Label, ListBox, TabbedComponent, TableHeaderComponent, TextEditor, TextPropertyComponent, TooltipWindow
- outlineWhenEditingColourId : Label
- output : AudioFormatWriter
- outputBuses : AudioProcessor::BusesLayout
- outputChannels : AudioDeviceManager::AudioDeviceSetup
- outputDebugString() : Logger
- outputDeviceName : AudioDeviceManager::AudioDeviceSetup
- outputGain : AudioProcessorParameter
- outputLayouts : AudioProcessor::BusesProperties
- outputMeter : AudioProcessorParameter
- OutputStream() : OutputStream
- overlaidWith() : Colour
- overlapPixels : TabBarButton
- overlapsRange() : SparseSet< Type >
- Oversampling() : dsp::Oversampling< SampleType >
- overwriteTargetFileWithTemporary() : TemporaryFile
- OwnedArray() : OwnedArray< ObjectClass, TypeOfCriticalSectionToUse >
- owner : TabBarButton
- ownerViewChanged() : TreeViewItem