Here is a list of all documented class members with links to the class documentation for each member:

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• Occlusion : xiiGALQueryType
• OffsetBase : xiiMemoryMappedFile
• OldLace : xiiColor
• Olive : xiiColor
• OliveDrab : xiiColor
• OnActivated() : xiiAmbientLightComponent, xiiAnimatedMeshComponent, xiiBakedProbesComponent, xiiBakedProbesVolumeComponent, xiiBeamComponent, xiiBlackboardComponent, xiiBoxReflectionProbeComponent, xiiCameraComponent, xiiCameraShakeVolumeComponent, xiiClothSheetComponent, xiiComponent, xiiCustomMeshComponent, xiiDecalComponent, xiiFakeRopeComponent, xiiFogComponent, xiiFollowPathComponent, xiiGlobalBlackboardComponent, xiiGreyBoxComponent, xiiHeightfieldComponent, xiiInstancedMeshComponent, xiiLensFlareComponent, xiiLocalBlackboardComponent, xiiLodAnimatedMeshComponent, xiiMarkerComponent, xiiOccluderComponent, xiiPathComponent, xiiPathNodeComponent, xiiPostProcessingComponent, xiiPrefabReferenceComponent, xiiRaycastComponent, xiiRenderComponent, xiiRopeRenderComponent, xiiScriptComponent, xiiSensorComponent, xiiSimpleWindComponent, xiiSkeletonComponent, xiiSkeletonPoseComponent, xiiSkyBoxComponent, xiiSkyLightComponent, xiiSphereReflectionProbeComponent, xiiStageSpaceComponent, xiiStateMachineComponent, xiiVolumeComponent, xiiWindVolumeComponent
• OnActivation() : xiiFallbackGameState, xiiGameState, xiiGameStateBase
• OnActorDestroyed() : xiiDummyXR, xiiXRInterface
• OnBackgroundSceneLoadingCanceled() : xiiGameState
• OnBackgroundSceneLoadingFailed() : xiiFallbackGameState, xiiGameState
• OnBackgroundSceneLoadingFinished() : xiiFallbackGameState, xiiGameState
• OnBaseSystemsStartup() : xiiSubSystem
• OnBeginArray() : xiiJSONParser, xiiJSONReader
• OnBeginObject() : xiiJSONParser, xiiJSONReader, xiiOpenDdlParser, xiiOpenDdlReader
• OnBeginPrimitiveList() : xiiOpenDdlParser, xiiOpenDdlReader
• Once : xiiPropertyAnimMode
• OnChangedMainWorld() : xiiGameState
• OnChangeEvent : xiiBlackboardEntryFlags
• OnClickClose() : xiiGameStateWindow, xiiWindow
• OnCoreSystemsShutdown() : xiiSubSystem
• OnCoreSystemsStartup() : xiiSubSystem
• OnDeactivated() : xiiAmbientLightComponent, xiiAnimatedMeshComponent, xiiBakedProbesComponent, xiiBakedProbesVolumeComponent, xiiBeamComponent, xiiBlackboardComponent, xiiBoxReflectionProbeComponent, xiiCameraComponent, xiiCameraShakeVolumeComponent, xiiClothSheetComponent, xiiComponent, xiiFakeRopeComponent, xiiFogComponent, xiiGlobalBlackboardComponent, xiiInstancedMeshComponent, xiiLensFlareComponent, xiiLocalBlackboardComponent, xiiLodAnimatedMeshComponent, xiiMarkerComponent, xiiOccluderComponent, xiiPathComponent, xiiPathNodeComponent, xiiPostProcessingComponent, xiiPowerConnectorComponent, xiiPrefabReferenceComponent, xiiRaycastComponent, xiiRenderComponent, xiiRopeRenderComponent, xiiScriptComponent, xiiSensorComponent, xiiSimpleWindComponent, xiiSkyLightComponent, xiiSpawnComponent, xiiSphereReflectionProbeComponent, xiiStageSpaceComponent, xiiStateMachineComponent, xiiVolumeComponent, xiiWindVolumeComponent
• OnDeactivation() : xiiGameState, xiiGameStateBase
• OnDestroyThumbnailViewContext() : xiiEngineProcessDocumentContext, xiiSceneContext
• OnDragBegin() : xiiAnimatedMeshComponentDragDropHandler, xiiComponentDragDropHandler, xiiDecalComponentDragDropHandler, xiiDragDropHandler, xiiLayerDragDropHandler, xiiMaterialDragDropHandler, xiiMeshComponentDragDropHandler, xiiPrefabComponentDragDropHandler, xiiSkeletonComponentDragDropHandler, xiiVisualScriptComponentDragDropHandler
• OnDragCancel() : xiiComponentDragDropHandler, xiiDragDropHandler, xiiLayerDragDropHandler, xiiMaterialDragDropHandler
• OnDragUpdate() : xiiComponentDragDropHandler, xiiDragDropHandler, xiiLayerDragDropHandler, xiiMaterialDragDropHandler, xiiPrefabComponentDragDropHandler
• OnDrop() : xiiComponentDragDropHandler, xiiDragDropHandler, xiiGameObjectOnLayerDragDropHandler, xiiLayerOnLayerDragDropHandler, xiiMaterialDragDropHandler
• One : xiiGALBlendFactor, xiiGALTextureComponentSwizzle
• OnEndArray() : xiiJSONParser, xiiJSONReader
• OnEndObject() : xiiJSONParser, xiiJSONReader, xiiOpenDdlParser, xiiOpenDdlReader
• OnEndPrimitiveList() : xiiOpenDdlParser, xiiOpenDdlReader
• OnEnterArea : xiiInputActionConfig
• OnEntryEvent() : xiiBlackboard
• OneSample : xiiGALMSAASampleCount, xiiGALSampleCount
• OneShotSound() : xiiSoundInterface
• OnFocus() : xiiWindow
• OnGPU : xiiGALShadingRateTextureAccess
• OnHighLevelSystemsShutdown() : xiiSubSystem
• OnHighLevelSystemsStartup() : xiiSubSystem
• OnInit() : xiiQtPropertyEditorTagSetWidget
• OnInterDocumentMessage() : xiiDocument, xiiSceneDocument
• OnLeaveArea : xiiInputActionConfig
• OnlyMaxAxis : xiiVirtualThumbStick::Flags
• OnlyTransformManually : xiiAssetDocumentFlags
• OnMsgExtractGeometry() : xiiInstancedMeshComponent, xiiMeshComponent
• OnMsgObjectGrabbed() : xiiPowerConnectorComponent
• OnMsgPathChanged() : xiiPathComponent
• OnMsgSensorDetectedObjectsChanged() : xiiPowerConnectorComponent
• OnMsgSetPlaying() : xiiPropertyAnimComponent
• OnParsingError() : xiiJSONParser, xiiJSONReader, xiiOpenDdlParser, xiiOpenDdlReader
• OnPlane : xiiPositionOnPlane
• OnPrimitiveBool() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveDouble() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveFloat() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveInt16() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveInt32() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveInt64() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveInt8() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveString() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveUInt16() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveUInt32() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveUInt64() : xiiOpenDdlParser, xiiOpenDdlReader
• OnPrimitiveUInt8() : xiiOpenDdlParser, xiiOpenDdlReader
• OnReaderWriterClose() : xiiDataDirectory::ArchiveType, xiiDataDirectory::FolderType, xiiDataDirectoryType
• OnReadValue() : xiiJSONParser, xiiJSONReader
• OnReadValueNULL() : xiiJSONParser, xiiJSONReader
• OnResize() : xiiGameStateWindow, xiiWindow
• OnSetRenderTarget : xiiGALShadingRateTextureAccess
• OnSimulationStarted() : xiiAnimationControllerComponent, xiiAreaDamageComponent, xiiCameraShakeVolumeComponent, xiiClothSheetComponent, xiiCollectionComponent, xiiColorAnimationComponent, xiiComponent, xiiCreatureCrawlComponent, xiiDecalComponent, xiiFollowPathComponent, xiiGlobalBlackboardComponent, xiiLocalBlackboardComponent, xiiPowerConnectorComponent, xiiPrefabReferenceComponent, xiiProjectileComponent, xiiPropertyAnimComponent, xiiRaycastComponent, xiiResetTransformComponent, xiiRotorComponent, xiiScriptComponent, xiiSimpleAnimationComponent, xiiSkeletonPoseComponent, xiiSliderComponent, xiiSpatialAnchorComponent, xiiSpawnBoxComponent, xiiSpawnComponent, xiiTimedDeathComponent, xiiTransformComponent, xiiWindVolumeComponent, xiiWorldModule
• OnSubmit : xiiGALShadingRateTextureAccess
• OnThumbnailViewContextCreated() : xiiEngineProcessDocumentContext, xiiSceneContext
• OnThumbnailViewContextRequested() : xiiEngineProcessDocumentContext
• OnUnhandledMessage() : xiiComponent, xiiForwardEventsToGameStateComponent
• OnVariable() : xiiJSONParser, xiiJSONReader
• OnVisibleChange() : xiiWindow
• OnWindowMove() : xiiWindow
• Open() : xiiDataDirectoryReaderWriterBase, xiiFileReader, xiiFileWriter, xiiMemoryMappedFile, xiiOSFile, xiiSemaphore
• OpenArchive() : xiiArchiveReader
• OpenContextMenu() : xiiQtEngineViewWidget
• OpenDataStream() : xiiConfigFileResourceLoader, xiiDecalResourceLoader, xiiResourceLoaderFromFile, xiiResourceLoaderFromMemory, xiiResourceTypeLoader, xiiShaderPermutationResourceLoader, xiiTextureResourceLoader
• OpenDocument() : xiiDocumentManager
• OpenFileAttempt : xiiFileSystem::FileEventType
• OpenFileFailed : xiiFileSystem::FileEventType
• OpenFileInDefaultProgram() : xiiQtUiServices
• OpenFileSucceeded : xiiFileSystem::FileEventType
• OpenFileToRead() : xiiDataDirectory::ArchiveType, xiiDataDirectory::FileserveType, xiiDataDirectory::FolderType, xiiDataDirectoryType
• OpenFileToWrite() : xiiDataDirectory::FileserveType, xiiDataDirectory::FolderType, xiiDataDirectoryType
• OpenGL : xiiGALGraphicsDeviceType
• OpenGLES : xiiGALGraphicsDeviceType
• OpenInCodeEditor() : xiiCppProject
• OpenInExplorer() : xiiQtUiServices
• OpenInVsCode() : xiiQtUiServices
• OpenPickedDocument() : xiiAssetDocumentManager, xiiMeshAssetDocumentManager
• OpenShared() : xiiMemoryMappedFile
• OpenWith() : xiiQtUiServices
• operator bool() : xiiAtomicBool, xiiPointerWithFlags< PtrType, NumFlagBits >, xiiSharedPtr< T >, xiiTypedResourceHandle< RESOURCE_TYPE >, xiiUniquePtr< T >
• operator const char *() : xiiHashedString, xiiStringBase< Derived >
• operator const DataType *() : xiiGALMapHelper< DataType >
• operator const PtrType *() : xiiPointerWithFlags< PtrType, NumFlagBits >
• operator const T *() : xiiScopedRefPointer< T >, xiiSharedPtr< T >
• operator const Type &() : xiiTypedCVar< Type, CVarType >
• operator const xiiTypelessResourceHandle() : xiiTypedResourceHandle< RESOURCE_TYPE >
• operator DataType *() : xiiGALMapHelper< DataType >
• operator double() : xiiSimdDouble
• operator float() : xiiFloat16, xiiSimdFloat
• operator PtrType *() : xiiPointerWithFlags< PtrType, NumFlagBits >
• operator T*() : xiiScopedRefPointer< T >, xiiSharedPtr< T >
• operator typename Derived::Enum() : xiiEnum< Derived >
• operator xiiArrayPtr< const T >() : xiiArrayBase< T, Derived >, xiiArrayPtr< T >, xiiSmallArrayBase< T, Size >
• operator xiiArrayPtr< T >() : xiiArrayBase< T, Derived >, xiiSmallArrayBase< T, Size >
• operator xiiBlobPtr< const T >() : xiiBlobPtr< T >
• operator xiiStringView() : xiiHashedString, xiiStringBase< Derived >
• operator xiiTypelessResourceHandle() : xiiTypedResourceHandle< RESOURCE_TYPE >
• operator!=() : xiiFloat16, xiiTypedResourceHandle< RESOURCE_TYPE >
• operator&() : xiiBitflags< T >
• operator&=() : xiiBitflags< T >, xiiStaticBitfield< T >
• operator*() : xiiBitfield< Container >::ConstIterator, xiiHashSetBase< KeyType, Hasher >::ConstIterator, xiiHashTableBaseConstIterator< KeyType, ValueType, Hasher >, xiiHashTableBaseIterator< KeyType, ValueType, Hasher >, xiiListBase< T >::Iterator, xiiMapBaseConstIteratorBase< KeyType, ValueType, Comparer, REVERSE >, xiiMapBaseIteratorBase< KeyType, ValueType, Comparer, REVERSE >, xiiPointerWithFlags< PtrType, NumFlagBits >, xiiSetBase< KeyType, Comparer >::IteratorBase< REVERSE >, xiiSharedPtr< T >, xiiSimdQuat, xiiSimdQuatd, xiiStringIterator, xiiStringReverseIterator, xiiTagSetTemplate< BlockStorageAllocator >::Iterator, xiiUniquePtr< T >
• operator*=() : xiiColor, xiiFixedPoint< DecimalBits >, xiiMat3Template< Type >, xiiMat4Template< Type >, xiiSimdTransform, xiiSimdTransformd, xiiTime, xiiVec2Template< Type >, xiiVec3Template< Type >, xiiVec4Template< Type >
• operator+() : xiiStringIterator, xiiStringReverseIterator, xiiTime, xiiTimestamp
• operator++() : xiiBitfield< Container >::ConstIterator, xiiGameObject::ConstChildIterator, xiiHashSetBase< KeyType, Hasher >::ConstIterator, xiiHashTableBaseConstIterator< KeyType, ValueType, Hasher >, xiiIdTableBase< IdType, ValueType >::ConstIterator, xiiInternal::WorldData::ConstObjectIterator, xiiInternal::WorldData::ObjectIterator, xiiMapBaseConstIteratorBase< KeyType, ValueType, Comparer, REVERSE >, xiiSetBase< KeyType, Comparer >::IteratorBase< REVERSE >, xiiStringIterator, xiiStringReverseIterator, xiiStringView, xiiTagSetTemplate< BlockStorageAllocator >::Iterator
• operator+=() : xiiColor, xiiFixedPoint< DecimalBits >, xiiStringIterator, xiiStringReverseIterator, xiiStringView, xiiTime, xiiTimestamp, xiiVec2Template< Type >, xiiVec3Template< Type >, xiiVec4Template< Type >
• operator-() : xiiSimdQuat, xiiSimdQuatd, xiiStringIterator, xiiStringReverseIterator, xiiTime, xiiTimestamp, xiiVec2Template< Type >, xiiVec3Template< Type >, xiiVec4Template< Type >
• operator--() : xiiMapBaseConstIteratorBase< KeyType, ValueType, Comparer, REVERSE >, xiiSetBase< KeyType, Comparer >::IteratorBase< REVERSE >, xiiStringIterator, xiiStringReverseIterator
• operator-=() : xiiColor, xiiFixedPoint< DecimalBits >, xiiStringIterator, xiiStringReverseIterator, xiiTime, xiiTimestamp, xiiVec2Template< Type >, xiiVec3Template< Type >, xiiVec4Template< Type >
• operator->() : xiiGALMapHelper< DataType >, xiiListBase< T >::Iterator, xiiPointerWithFlags< PtrType, NumFlagBits >, xiiScopedRefPointer< T >, xiiSharedPtr< T >, xiiTagSetTemplate< BlockStorageAllocator >::Iterator, xiiUniquePtr< T >
• operator/=() : xiiColor, xiiFixedPoint< DecimalBits >, xiiMat3Template< Type >, xiiMat4Template< Type >, xiiTime, xiiVec2Template< Type >, xiiVec3Template< Type >, xiiVec4Template< Type >
• operator<() : xiiArrayBase< T, Derived >, xiiArrayPtr< T >, xiiColorGradient::AlphaCP, xiiColorGradient::ColorCP, xiiColorGradient::IntensityCP, xiiHashedString, xiiInternal::RenderDataCacheEntry, xiiOBJLoader::Face, xiiTempHashedString, xiiTypedResourceHandle< RESOURCE_TYPE >, xiiTypelessResourceHandle, xiiUuid
• operator<< : xiiUuid
• operator<=>() : xiiEnum< Derived >, xiiFixedPoint< DecimalBits >, xiiSharedPtr< T >, xiiUniquePtr< T >
• operator=() : xiiArrayBase< T, Derived >, xiiArrayMapBase< KEY, VALUE >, xiiArrayPtr< T >, xiiAtomicBool, xiiAtomicInteger< T >, xiiBlob, xiiBlobPtr< T >, xiiColor, xiiColorGammaUB, xiiColorLinearUB, xiiDequeBase< T, Construct >, xiiDynamicArrayBase< T >, xiiEnum< Derived >, xiiFixedPoint< DecimalBits >, xiiFloat16, xiiGALMapHelper< DataType >, xiiGALScopedDebugGroup, xiiHashedString, xiiHashSetBase< KeyType, Hasher >, xiiHashTableBase< KeyType, ValueType, Hasher >, xiiHashTableBaseIterator< KeyType, ValueType, Hasher >, xiiHybridArray< T, Size, AllocatorWrapper >, xiiHybridStringBase< Size >, xiiIdTableBase< IdType, ValueType >, xiiListBase< T >, xiiMapBase< KeyType, ValueType, Comparer >, xiiMessageQueueBase< MetaDataType >, xiiPointerWithFlags< PtrType, NumFlagBits >, xiiScopedRefPointer< T >, xiiSetBase< KeyType, Comparer >, xiiSharedPtr< T >, xiiStaticArray< T, Capacity >, xiiStaticRingBuffer< T, Capacity >, xiiStringBuilder, xiiTempHashedString, xiiTypedCVar< Type, CVarType >, xiiTypedResourceHandle< RESOURCE_TYPE >, xiiTypelessResourceHandle, xiiUniquePtr< T >, xiiVariant
• operator==() : xiiArrayBase< T, Derived >, xiiArrayMapBase< KEY, VALUE >, xiiArrayPtr< T >, xiiBitflags< T >, xiiBlobPtr< T >, xiiDequeBase< T, Construct >, xiiEnum< Derived >, xiiFixedPoint< DecimalBits >, xiiFloat16, xiiHashedString, xiiHashSetBase< KeyType, Hasher >::ConstIterator, xiiHashSetBase< KeyType, Hasher >, xiiHashTableBase< KeyType, ValueType, Hasher >, xiiHashTableBaseConstIterator< KeyType, ValueType, Hasher >, xiiIdTableBase< IdType, ValueType >::ConstIterator, xiiListBase< T >, xiiMapBase< KeyType, ValueType, Comparer >, xiiMapBaseConstIteratorBase< KeyType, ValueType, Comparer, REVERSE >, xiiPointerWithFlags< PtrType, NumFlagBits >, xiiRational, xiiSetBase< KeyType, Comparer >::IteratorBase< REVERSE >, xiiSetBase< KeyType, Comparer >, xiiSharedPtr< T >, xiiSmallArrayBase< T, Size >, xiiStaticRingBuffer< T, Capacity >, xiiStringIterator, xiiStringReverseIterator, xiiTempHashedString, xiiTypedResourceHandle< RESOURCE_TYPE >, xiiTypelessResourceHandle, xiiUniquePtr< T >, xiiUuid, xiiVariant
• operator>> : xiiUuid
• operator[]() : xiiArrayBase< T, Derived >, xiiArrayMapBase< KEY, VALUE >, xiiArrayPtr< T >, xiiBlobPtr< T >, xiiDequeBase< T, Construct >, xiiHashTableBase< KeyType, ValueType, Hasher >, xiiIdTableBase< IdType, ValueType >, xiiMapBase< KeyType, ValueType, Comparer >, xiiMessageQueueBase< MetaDataType >, xiiSmallArrayBase< T, Size >, xiiStaticRingBuffer< T, Capacity >, xiiVariant
• operator|() : xiiBitflags< T >, xiiEnum< Derived >
• operator|=() : xiiBitflags< T >, xiiStaticBitfield< T >
• Optimal : xiiGALSurfaceTransform
• Optional : xiiGALDeviceFeatureState
• OR : xiiGALLogicOperation
• Or() : xiiAtomicUtils
• Orange : xiiColor
• OrangeRed : xiiColor
• Orchid : xiiColor
• Orientation : xiiGameGrid< CellData >
• OrInverted : xiiGALLogicOperation
• OrReversed : xiiGALLogicOperation
• OrthoFixedHeight : xiiCameraMode
• OrthoFixedWidth : xiiCameraMode
• OsMessageBox() : xiiLog
• OsSpecificPathSeparator : xiiPathUtils
• OutBack : xiiEasingFunction
• OutElastic : xiiEasingFunction
• Output : xiiRenderPipelineNodePinFlags
• OutputFormattedFloat() : xiiStringUtils
• OutputFormattedInt() : xiiStringUtils
• OutputFormattedUInt() : xiiStringUtils
• OutputObjectName() : xiiOpenDdlWriter
• OutputReliability : xiiAssetDocumentManager
• Outside : xiiVolumePosition
• Overlaps() : xiiBoundingBoxTemplate< Type >, xiiBoundingSphereTemplate< Type >, xiiFrustum, xiiRectTemplate< Type >, xiiSimdBBox, xiiSimdBBoxd, xiiSimdBSphere, xiiSimdBSphered
• xiiOpenDdlWriter() : xiiOpenDdlWriter
• xiiOSThread() : xiiOSThread