QGIS API Documentation  2.8.6-Wien
Class Hierarchy

Go to the graphical class hierarchy

This inheritance list is sorted roughly, but not completely, alphabetically:
[detail level 12345]
 Cpal::_chain
 Cpal::_cHullBox
 C_CohenSutherland
 Cpal::_cross
 Cpal::_elementary_transformation
 Cpal::_featCbackCtx
 Cpal::_filterContext
 C_nmeaGPGGAGGA packet information structure (Global Positioning System Fix Data)
 C_nmeaGPGSAGSA packet information structure (Satellite status)
 C_nmeaGPGSVGSV packet information structure (Satellites in view)
 C_nmeaGPRMCRMC packet information structure (Recommended Minimum sentence C)
 C_nmeaGPVTGVTG packet information structure (Track made good and ground speed)
 C_nmeaINFOSummary GPS information from all parsed packets, used also for generating NMEA stream
 C_nmeaPARSER
 C_nmeaPOSPosition data in fractional degrees or radians
 C_nmeaPROPERTY
 C_nmeaSATELLITEInformation about satellite
 C_nmeaSATINFOInformation about all satellites in view
 C_nmeaTIMEDate and time data
 Cpal::_nokContext
 Cpal::_subpart
 Cpal::_Triple
 CQgsActionMenu::ActionData
 CQgsIdentifyMenu::ActionData
 CQgsActionMenu::ActionData::aid
 CQgsMapCanvas::CanvasProperties
 Cpal::Cell< Type >
 Cpal::ChainContext
 Cpal::LabelInfo::CharacterInfo
 CQgsColorRampShader::ColorRampItem
 Cpal::CostCalculator
 Cpal::LabelPosition::CountContext
 CQgsDataDefinedSymbolDialog::DataDefinedSymbolEntry
 CQgsImageOperation::DistanceTransformPropertiesStruct for storing properties of a distance transform operation
 CQgsDatumTransformStore::Entry
 CQgsGeometry::Error
 CQgsMapRendererJob::Error
 ►Cexception
 CQgsExpressionFieldBuffer::ExpressionField
 Cpal::FalpContext
 Cpal::FeatsFor usage in problem solving algorithm
 Cpal::Feature
 CQgsFeatureListModel::FeatureInfo
 CQgsRuleBasedRendererV2::FeatureToRender
 CQgsVectorLayerFeatureIterator::FetchJoinInfoJoin information prepared for fast attribute id mapping in QgsVectorLayerJoinBuffer::updateFeatureAttributes()
 CQgsFields::Field
 CFieldSorter
 Cpal::Ft
 ►CQgsExpression::FunctionA abstract base class for defining QgsExpression functions
 CGEOSException
 CGEOSInit
 CQgsVectorLayer::GroupData
 CHalfEdge
 Cpal::HashTable< Data >
 Cpal::HashTable< pal::Feature * >
 Cpal::HashTable< pal::LinkedList< pal::FeaturePart * > * >
 ►CIDataStream
 CQgsMapToolIdentify::IdentifyResult
 CQgsProject::Imp
 Cpal::InternalExceptionVarious Exceptions
 CQgsExpression::Interval
 ►CIQueryStrategy
 CQgsConnectionPoolGroup< T >::Item
 CQgsLayerTreeModelLegendNode::ItemContext
 CQgsLayerTreeModelLegendNode::ItemMetrics
 ►CIVisitor
 ►CIVisitor
 Cpal::LabelInfoOptional additional info about label (for curved labels)
 CQgsLabel::labelpoint
 Cpal::LabelPositionLabelPositon is a candidate feature label position
 Cpal::LayerA layer of spacial entites
 CQgsSnappingUtils::LayerConfig
 CQgsInterpolator::LayerDataA layer together with the information about interpolation attribute / z-coordinate interpolation and the type (point, structure line, breakline)
 CQgsLayerTreeModel::LayerLegendDataStructure that stores all data associated with one map layer
 CQgsLayerTreeModel::LayerLegendTreeStructure that stores tree representation of map layer's legend
 ►CLayerPropertiesWidget
 CLayerRenderJobStructure keeping low-level rendering job information
 CLine3DThis class represents a line
 Cpal::LinkedList< Type >
 Cpal::LinkedList< char * >
 Cpal::LinkedList< int >
 Cpal::LinkedList< pal::_elementary_transformation * >
 Cpal::LinkedList< pal::Feats * >
 Cpal::LinkedList< pal::Feature * >
 Cpal::LinkedList< pal::FeaturePart * >
 CQgsPointLocator::Match
 CQgsPointLocator::MatchFilterInterface that allows rejection of some matches in intersection queries (e.g
 CQgsVectorFileWriter::MetaData
 CMyLine
 CQgsVectorDataProvider::NativeType
 CQgsRasterNuller::NoData
 CNodeNode is a class used by Line3D
 ►CQgsExpression::Node
 CQgsExpression::NodeList
 ►CQgsVectorFileWriter::Option
 Cpal::PalPal main class
 Cpal::PalExceptionVarious Exceptions
 ►Cpal::PalGeometryInterface that allows Pal to access user's geometries
 Cpal::PalStatSummury of problem
 ►CParametricLineParametricLine is an Interface for parametric lines
 Cpal::Point
 CPoint3DPoint3D is a class to represent a three dimensional point
 ►Cpal::PointSet
 Cpal::PolygonCostCalculatorData structure to compute polygon's candidates costs
 Cpal::PriorityQueue
 CHistogramItem::PrivateData
 Cpal::ProblemRepresent a problem
 Cpal::LabelPosition::PruneCtx
 ►CQAbstractItemDelegate
 ►CQAbstractItemModel
 ►CQAbstractListModel
 ►CQAbstractProxyModel
 ►CQAbstractTableModel
 ►CQAction
 ►CQApplication
 ►CQComboBox
 ►CQDateTimeEdit
 ►CQDial
 ►CQDialog
 ►CQDoubleSpinBox
 ►CQEvent
 ►CQFileDialog
 ►CQFrame
 ►CQFutureWatcher
 CQGisGlobal constants for use throughout the application
 CQgisPluginAbstract base class from which all plugins must inherit
 ►CQGraphicsEffect
 ►CQGraphicsItem
 ►CQGraphicsRectItem
 ►CQGraphicsScene
 ►CQGraphicsView
 ►CQGroupBox
 ►CQgsAbstractCacheIndexAbstract base class for cache indices
 ►CQgsAbstractFeatureIteratorInternal feature iterator to be implemented within data providers
 ►CQgsAbstractFeatureSourceBase class that can be used for any class that is capable of returning features
 ►CQgsAbstractGeometrySimplifierAbstract base class for simplify geometries using a specific algorithm
 CQgsActionUtility class that encapsulates an action based on vector attributes
 ►CQgsArcProperter
 CQgsAttributeActionStorage and management of actions associated with Qgis layer attributes
 CQgsAttributeEditorContextThis class contains context information for attribute editor widgets
 ►CQgsAttributeFormInterface
 ►CQgsAttributeLoadValues
 ►CQgsCategorizedSymbolRendererV2Widget
 ►CQgsCharacterSelectorBase
 ►CQgsCheckBoxConfigDlgBase
 CQgsClipperA class to trim lines and polygons to within a rectangular region
 CQgsColorBrewerPalette
 ►CQgsColorDialogBase
 CQgsColorGridActionA color swatch grid which can be embedded into a menu
 ►CQgsColorSchemeAbstract base class for color schemes
 CQgsColorSchemeRegistryRegistry of color schemes
 CQgsComposerAttributeTableCompareHelper class for sorting tables, takes into account sorting column and ascending / descending
 CQgsComposerAttributeTableCompareV2Helper class for sorting tables, takes into account sorting column and ascending / descending
 CQgsComposerLegendStyleComposer legend components style
 ►CQgsComposerMapItemStackA collection of map items which are drawn above the map content in a QgsComposerMap
 CQgsComposerUtilsUtilities for compositions
 CQgsConnectionPool< T, T_Group >Template class responsible for keeping a pool of open connections
 CQgsConnectionPoolGroup< T >
 CQgsConstWkbPtr
 CQgsContrastEnhancementManipulates raster pixel values so that they enhanceContrast or clip into a specified numerical range according to the specified ContrastEnhancementAlgorithm
 ►CQgsContrastEnhancementFunctionA contrast enhancement funcion is the base class for all raster contrast enhancements
 CQgsCoordinateReferenceSystemClass for storing a coordinate reference system (CRS)
 CQgsCptCityArchive
 ►CQgsCptCityColorRampV2DialogBase
 ►CQgsCredentialsInterface for requesting credentials in QGIS in GUI independent way
 CQgsCRSCache
 CQgsDartMeasurement
 ►CQgsDashSpaceDialogBase
 CQgsDataDefinedA container class for data source field mapping or expression
 ►CQgsDataDefinedSymbolDialog
 CQgsDataSourceURIClass for storing the component parts of a PostgreSQL/RDBMS datasource URI
 ►CQgsDateTimeEditConfig
 ►CQgsDatumTransformDialogBase
 CQgsDatumTransformStoreKeeps track of datum transformations as chosen by the user
 CQgsDetailedItemDataThis class is the data only representation of a QgsDetailedItemWidget, designed to be used in custom views
 ►CQgsDetailedItemWidgetBase
 ►CQgsDiagramBase class for all diagram types
 CQgsDiagramInterpolationSettings
 CQgsDiagramLayerSettings
 ►CQgsDiagramRendererV2Returns diagram settings for a feature
 CQgsDiagramSettings
 CQgsDistanceAreaGeneral purpose distance and area calculator
 ►CQgsDualViewBase
 ►CQgsDummyConfigDlgBase
 CQgsDxfExport
 CQgsEdgeProperterQgsEdgeProperter is a strategy pattern
 ►CQgsEditorWidgetFactoryEvery attribute editor widget needs a factory, which inherits this class
 CQgsErrorQgsError is container for error messages (report)
 ►CQgsErrorDialogBase
 CQgsErrorMessageQgsErrorMessage represents single error message
 ►CQgsExceptionDefines a qgis exception class
 CQgsExpressionClass for parsing and evaluation of expressions (formerly called "search strings")
 ►CQgsExpressionBuilderDialogBase
 ►CQgsExpressionBuilderWidgetBase
 CQgsExpressionFieldBufferBuffers information about expression fields for a vector layer
 ►CQgsExpressionSelectionDialogBase
 ►CQgsExtentGroupBoxWidget
 CQgsFeatureThe feature class encapsulates a single feature including its id, geometry and a list of field/values attributes
 CQgsFeatureIteratorWrapper for iterator of features from vector data provider or vector layer
 ►CQgsFeatureModel
 ►CQgsFeatureRendererV2
 CQgsFeatureRequestThis class wraps a request for features to a vector layer (or directly its vector data provider)
 ►CQgsFeatureSelectionDlg
 CQgsFeatureStoreContainer for features with the same fields and crs
 CQgsFieldEncapsulate a field in an attribute table or data source
 CQgsFieldsContainer of fields for a vector layer
 CQgsFontUtils
 ►CQgsGenericProjectionSelectorBase
 CQgsGeometry
 CQgsGeometryAnalyzerThe QGis class provides vector geometry analysis functions
 CQgsGeometryCache
 CQgsGmlFeatureClass
 CQgsGPSConnectionRegistryA singleton class to register / unregister existing GPS connections such that the information is available to all classes and plugins
 CQgsGPSInformation
 CQgsGradientStop
 ►CQgsGraduatedSymbolRendererV2Widget
 CQgsGraphMathematics graph representation
 CQgsGraphAnalyzerThe QGis class provides graph analysis functions
 CQgsGraphArcThis class implement a graph edge
 ►CQgsGraphBuilderInterfaceDetermine interface for creating a graph
 CQgsGraphVertexThis class implement a graph vertex
 CQgsGridFileWriterA class that does interpolation to a grid and writes the results to an ascii grid
 ►CQgsHeatmapRendererWidgetBase
 CQgsImageOperationContains operations and filters which apply to QImages
 ►CQgsInterpolatorInterface class for interpolations
 ►CQgsInvertedPolygonRendererWidgetBase
 CQgsLabelA class to render labels
 CQgsLabelAttributesA class to store attributes needed for label rendering
 CQgsLabelCandidate
 CQgsLabelComponentMaintains current state of more grainular and temporal values when creating/painting component parts of an individual label (e.g
 ►CQgsLabelingEngineInterfaceLabeling engine interface
 CQgsLabelingResultsClass that stores computed placement from labeling engine
 CQgsLabelPosition
 CQgsLabelSearchTreeA class to query the labeling structure at a given point (small wraper around pal RTree class)
 CQgsLayerCoordinateTransform
 CQgsLayerDefinitionHolds generic methods for loading/exporting QLR files
 CQgsLayerTreeUtilsAssorted functions for dealing with layer trees
 CQgsLayerTreeViewMenuProviderImplementation of this interface can be implemented to allow QgsLayerTreeView instance to provide custom context menus (opened upon right-click)
 CQgsLegacyHelpers
 CQgsLegendRendererHandles automatic layout and rendering of legend
 CQgsLegendSettingsStores the appearance and layout settings for legend drawing with QgsLegendRenderer
 CQgsLegendSymbolItemV2The class stores information about one class/rule of a vector layer renderer in a unified way that can be used by legend model for rendering of legend
 CQgsLocaleNumC
 CQgsLoggerQgsLogger is a class to print debug/warning/error messages to the console
 ►CQgsLUDialogBase
 ►CQgsManageConnectionsDialogBase
 CQgsMapCanvasLayerA class that stores visibility and presence in overview flags together with pointer to the layer
 CQgsMapCanvasSnapperThis class reads the snapping properties from the current project and configures a QgsSnapper to perform the snapping
 CQgsMapHitTestClass that runs a hit test with given map settings
 CQgsMapLayerLegendUtilsMiscellaneous utility functions for handling of map layer legend
 ►CQgsMapLayerRendererBase class for utility classes that encapsulate information necessary for rendering of map layers
 CQgsMapLayerStyleStores style information (renderer, transparency, labeling, diagrams etc.) applicable to a map layer
 CQgsMapSettingsConfiguration for rendering of the map
 CQgsMapTipA maptip is a class to display a tip on a map canvas when a mouse is hovered over a feature
 CQgsMapToPixelPerform transforms between map coordinates and device coordinates
 CQgsMapUnitScaleStruct for storing maximum and minimum scales for measurements in map units
 ►CQgsMapUnitScaleDialog
 ►CQgsMessageLogViewer
 ►CQgsMessageOutputInterface for showing messages from QGIS in GUI independent way
 ►CQgsMessageViewer
 CQgsMimeDataUtils
 ►CQgsMultiBandColorRendererWidgetBase
 CQgsMultiRenderCheckerThis class allows checking rendered images against comparison images
 ►CQgsNewHttpConnectionBase
 ►CQgsNewMemoryLayerDialogBase
 ►CQgsNewVectorLayerDialogBase
 ►CQgsNineCellFilterBase class for raster analysis methods that work with a 3x3 cell filter and calculate the value of each cell based on the cell value and the eight neighbour cells
 CQgsObjectCustomPropertiesSimple key-value store (keys = strings, values = variants) that supports loading/saving to/from XML in
 CQgsOgcUtilsVarious utility functions for conversion between OGC (Open Geospatial Consortium) standards and QGIS internal representations
 CQgsOldSymbolMeta
 CQgsOSMDatabaseClass that encapsulates access to OpenStreetMap data stored in a database previously imported from XML file
 ►CQgsOSMElementElements (also data primitives) are the basic components in OpenStreetMap from which everything else is defined
 CQgsOSMElementID
 CQgsOSMNodeIteratorEncapsulate iteration over table of nodes
 CQgsOSMTagsThis class is a container of tags for a node, way or a relation
 CQgsOSMWayIteratorEncapsulate iteration over table of ways
 CQgsOverlayAnalyzerThe QGis class provides vector overlay analysis functions
 ►CQgsOWSSourceSelectBase
 ►CQgsPalettedRendererWidgetBase
 CQgsPalLayerSettings
 ►CQgsPhotoConfigDlgBase
 CQgsPluginLayerRegistryRegistry of plugin layers types
 CQgsPluginLayerTypeClass for creating plugin specific layers
 CQgsPointA class to represent a point
 CQgsPointCompare
 ►CQgsPointDisplacementRendererWidgetBase
 CQgsPointSampleCreates random points in polygons / multipolygons
 ►CQgsProjectBadLayerHandlerInterface for classes that handle missing layer files when reading project file
 CQgsProjectFileTransform
 ►CQgsProjectionSelectorBase
 CQgsProjectVersionA class to describe the version of a project
 ►CQgsPropertyAn Abstract Base Class for QGIS project property hierarchies
 CQgsProviderMetadataHolds data provider key, description, and associated shared library file information
 CQgsProviderRegistryA registry / canonical manager of data providers
 CQgsPythonRunnerUtility class for running python commands from various parts of QGIS
 ►CQgsQueryBuilderBase
 ►CQgsRangeConfigDlgBase
 CQgsRasterRaster namespace
 CQgsRasterBandStatsThe RasterBandStats struct is a container for statistics about a single raster band
 CQgsRasterBlockRaster data container
 CQgsRasterCalcNode
 CQgsRasterCalculatorRaster calculator class
 CQgsRasterCalculatorEntry
 CQgsRasterCheckerThis is a helper class for unit tests that need to write an image and compare it to an expected result or render time
 CQgsRasterDrawerThe drawing pipe for raster layers
 CQgsRasterFileWriterThe raster file writer which allows you to save a raster to a new file
 ►CQgsRasterFormatSaveOptionsWidgetBase
 CQgsRasterHistogramThe QgsRasterHistogram is a container for histogram of a single raster band
 ►CQgsRasterHistogramWidgetBase
 CQgsRasterIdentifyResultRaster identify results container
 ►CQgsRasterInterfaceBase class for processing filters like renderers, reprojector, resampler etc
 CQgsRasterIteratorIterator for sequentially processing raster cells
 ►CQgsRasterLayerSaveAsDialogBase
 CQgsRasterMatrix
 ►CQgsRasterMinMaxWidgetBase
 CQgsRasterPipeBase class for processing modules
 CQgsRasterPyramidThis struct is used to store pyramid info for the raster layer
 ►CQgsRasterPyramidsOptionsWidgetBase
 CQgsRasterRangeRaster values range container
 CQgsRasterRendererRegistryRegistry for raster renderers
 CQgsRasterRendererRegistryEntryRegistry for raster renderer entries
 ►CQgsRasterResamplerInterface for resampling rasters (e.g
 CQgsRasterShaderInterface for all raster shaders
 ►CQgsRasterShaderFunctionThe raster shade function applies a shader to a pixel at render time - typically used to render grayscale images as false color
 CQgsRasterTransparencyDefines the list of pixel values to be considered as transparent or semi transparent when rendering rasters
 CQgsRasterViewPortThis class provides details of the viewable area that a raster will be rendered into
 CQgsRectangleA rectangle specified with double values
 CQgsRelation
 ►CQgsRelationAddDlgBase
 ►CQgsRelationManagerDialogBase
 CQgsReliefProduces coloured relief rasters from DEM
 ►CQgsRelReferenceConfigDlgBase
 CQgsRenderCheckerThis is a helper class for unit tests that need to write an image and compare it to an expected result or render time
 CQgsRenderContextContains information about the context of a rendering operation
 CQgsRendererCategoryV2
 CQgsRendererRangeV2
 CQgsRendererRangeV2LabelFormat
 ►CQgsRendererRulePropsDialog
 ►CQgsRendererV2AbstractMetadataStores metadata about one renderer class
 ►CQgsRendererV2PropsDialogBase
 CQgsRendererV2RegistryRegistry of renderers
 CQgsRuleBasedRendererV2Count
 ►CQgsRuleBasedRendererV2Widget
 CQgsSatelliteInfo
 ►CQgsScaleBarStyleAbstraction of composer scale bar style
 CQgsScaleCalculatorCalculates scale for a given combination of canvas size, map extent, and monitor dpi
 CQgsScaleUtils
 CQgsScopeLogger
 CQgsSimplifyMethodThis class contains information about how to simplify geometries fetched from a QgsFeatureIterator
 ►CQgsSingleBandGrayRendererWidgetBase
 ►CQgsSingleBandPseudoColorRendererWidgetBase
 CQgsSingleton< T >
 ►CQgsSingleton< QgsCoordinateTransformCache >
 ►CQgsSingleton< QgsMapLayerRegistry >
 ►CQgsSingleton< QgsNetworkAccessManager >
 CQgsSLConnect
 ►CQgsSmartGroupConditionWidget
 ►CQgsSmartGroupEditorDialogBase
 CQgsSnapperA class that allows advanced snapping operations on a set of vector layers
 CQgsSnappingResultRepresents the result of a snapping operation
 CQgsSpatialIndex
 ►CQgsStyleV2ExportImportDialogBase
 ►CQgsStyleV2ManagerDialogBase
 ►CQgsSublayersDialogBase
 CQgsSvgCacheEntry
 ►CQgsSymbolLayerV2
 ►CQgsSymbolLayerV2AbstractMetadataStores metadata about one symbol layer class
 CQgsSymbolLayerV2RegistryRegistry of available symbol layer classes
 CQgsSymbolLayerV2Utils
 ►CQgsSymbolLevelsV2DialogBase
 CQgsSymbologyV2ConversionThis class is not a part of public API, it is intended only for compatibility with older versions of QGIS (1.x)
 ►CQgsSymbolV2
 CQgsSymbolV2LevelItem
 CQgsSymbolV2RenderContext
 ►CQgsSymbolV2SelectorDialogBase
 ►CQgsTextEditConfigDlg
 CQgsToleranceThis is the class is providing tolerance value in map unit values
 CQgsTransactionThis class allows to include a set of layers in a database-side transaction, provided the layer data providers support transactions and are compatible with each other
 CQgsTransectSampleA class for the creation of transect sample lines based on a set of strata polygons and baselines
 ►CQgsUniqueValuesConfigDlgBase
 ►CQgsUnitSelectionWidget
 ►CQgsValueMapWidget
 ►CQgsValueRelationConfigDlgBase
 CQgsVectorA class to represent a vector
 ►CQgsVectorColorBrewerColorRampV2DialogBase
 ►CQgsVectorColorRampV2
 CQgsVectorFileWriterA convenience class for writing vector files to disk
 ►CQgsVectorGradientColorRampV2DialogBase
 CQgsVectorJoinInfo
 CQgsVectorLayerEditUtils
 CQgsVectorLayerImportA convenience class for writing vector files to disk
 CQgsVectorLayerToolsMethods in this class are used to handle basic operations on vector layers
 ►CQgsVectorRandomColorRampV2DialogBase
 CQgsVectorSimplifyMethodThis class contains information how to simplify geometries fetched from a vector layer
 ►CQgsWebViewWidgetConfigDlgBase
 CQgsWkbPtr
 CQgsXmlUtilsAssorted helper methods for reading and writing chunks of XML
 CQgsZonalStatisticsA class that calculates raster statistics (count, sum, mean) for a polygon or multipolygon layer and appends the results as attributes
 ►CQItemDelegate
 ►CQItemSelectionModel
 ►CQLineEdit
 ►CQListView
 ►CQMenu
 ►CQNetworkAccessManager
 ►CQNetworkProxyFactory
 ►CQObject
 ►CQPaintDevice
 ►CQPaintEngine
 ►CQPair
 ►CQProxyStyle
 ►CQPushButton
 ►CQsciScintilla
 ►CQSharedData
 ►CQSlider
 ►CQSortFilterProxyModel
 ►CQSpinBox
 ►CQStackedWidget
 ►CQStandardItem
 ►CQStandardItemModel
 ►CQSyntaxHighlighter
 ►CQTableView
 ►CQThread
 ►CQToolButton
 ►CQTreeView
 ►CQTreeWidget
 ►CQTreeWidgetItem
 ►CQUndoCommand
 ►CQValidator
 ►CQVector
 ►CQWidget
 ►CQWidgetAction
 ►CQwtPlotItem
 CQgsVectorLayer::RangeData
 CQgsRelief::ReliefColor
 CQgsRuleBasedRendererV2::RenderJob
 CQgsRuleBasedRendererV2::RenderLevel
 Cpal::RTree< DATATYPE, ELEMTYPE, NUMDIMS, ELEMTYPEREAL, TMAXNODES, TMINNODES >
 Cpal::RTree< pal::FeaturePart *, double, 2, double, 8, 4 >
 Cpal::RTree< pal::LabelPosition *, double, 2, double >
 Cpal::RTree< pal::PointSet *, double, 2, double >
 Cpal::RTree< QgsLabelPosition *, double, 2, double >
 CQgsRuleBasedRendererV2::RuleThis class keeps data about a rules for rule-based renderer
 Cpal::SimpleMutex
 CQgsSnapper::SnapLayer
 Cpal::Sol
 Cpal::SubPartContext
 CQgsOWSSourceSelect::SupportedFormatFormats supported by provider
 ►CSymbolsListWidget
 CQgsVectorLayer::TabData
 CTiePointInfo
 CQgsRasterTransparency::TransparentSingleValuePixel
 CQgsRasterTransparency::TransparentThreeValuePixel
 ►CTriangleInterpolatorThis is an interface for interpolator classes for triangulations
 ►CTriangulationInterface for Triangulation classes
 ►CUi_QgsCredentialDialog
 Cpal::UpdateContext
 CQgsMimeDataUtils::Uri
 CQgsVectorLayer::ValueRelationData
 CVector3DClass Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values
 CvertexData
 CQgsExpression::VisitorSupport for visitor pattern - algorithms dealing with the expressions may be implemented without modifying the Node classes
 CQgsExpression::WhenThen
 ►CWidgetCentroidFill
 ►CWidgetEllipseBase
 ►CWidgetFontMarker
 ►CWidgetGradientFill
 ►CWidgetLinePatternFill
 ►CWidgetMarkerLine
 ►CWidgetPointPatternFill
 ►CWidgetRasterFill
 ►CWidgetShapeburstFill
 ►CWidgetSimpleFill
 ►CWidgetSimpleLine
 ►CWidgetSimpleMarker
 ►CWidgetSVGFill
 ►CWidgetSvgMarker
 ►CWidgetSvgSelector
 ►CWidgetVectorFieldBase