Description
Accesses the object ID of the layer 0 LayerTableRecord for the database.
Visual Basic
Public Property LayerZero() As ObjectId
C#
public ObjectId LayerZero;
Conditions
Read-only
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- AbstractViewTable Class
- AbstractViewTableRecord Class
- ActionsToEvaluateCallback Class
- AlignedDimension Class
- AngleConstraint Enumeration
- AngularConstraint Class
- AnnotationScale Class
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- Arc Class
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- AssocExtendSurfaceActionBody Class
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- AttachmentPoint Enumeration
- AttributeCollection Class
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- AutoConstrainEvaluationCallback Class
- Background Class
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- Angbase Property
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- Attmode Property
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- BlockTableId Property
- ByBlockLinetype Property
- ByLayerLinetype Property
- CameraDisplay Property
- CameraHeight Property
- Cannoscale Property
- Cecolor Property
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- Celtype Property
- Celweight Property
- Cetransparency Property
- Chamfera Property
- Chamferb Property
- Chamferc Property
- Chamferd Property
- Clayer Property
- Cmaterial Property
- Cmljust Property
- Cmlscale Property
- CmlstyleID Property
- ColorDictionaryId Property
- ContinuousLinetype Property
- Cshadow Property
- CurrentSpaceId Property
- CurrentViewportTableRecordId Property
- DataLinkDictionaryId Property
- DataLinkManager Property
- DetailViewStyle Property
- DetailViewStyleDictionaryId Property
- DgnFrame Property
- Dimadec Property
- Dimalt Property
- Dimaltd Property
- Dimaltf Property
- Dimaltrnd Property
- Dimalttd Property
- Dimalttz Property
- Dimaltu Property
- Dimaltz Property
- Dimapost Property
- Dimarcsym Property
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- Dimaunit Property
- Dimazin Property
- Dimblk Property
- Dimblk1 Property
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- Dimcen Property
- Dimclrd Property
- Dimclre Property
- Dimclrt Property
- Dimdec Property
- Dimdle Property
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- Dimdsep Property
- Dimexe Property
- Dimexo Property
- Dimfrac Property
- Dimfxlen Property
- DimfxlenOn Property
- Dimgap Property
- Dimjogang Property
- Dimjust Property
- Dimldrblk Property
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- Dimlim Property
- Dimltex1 Property
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- Dimltype Property
- Dimlunit Property
- Dimlwd Property
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- Dimrnd Property
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- Dimscale Property
- Dimsd1 Property
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- Dimse1 Property
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- Dimsho Property
- Dimsoxd Property
- Dimstyle Property
- DimStyleTableId Property
- Dimtad Property
- Dimtdec Property
- Dimtfac Property
- Dimtfill Property
- Dimtfillclr Property
- Dimtih Property
- Dimtix Property
- Dimtm Property
- Dimtmove Property
- Dimtofl Property
- Dimtoh Property
- Dimtol Property
- Dimtolj Property
- Dimtp Property
- Dimtsz Property
- Dimtvp Property
- Dimtxsty Property
- Dimtxt Property
- Dimtzin Property
- Dimupt Property
- Dimzin Property
- DispSilh Property
- dragvs Property
- DrawOrderCtl Property
- DwfFrame Property
- DwgFileWasSavedByAutodeskSoftware Property
- DxEval Property
- Elevation Property
- EndCaps Property
- Extmax Property
- Extmin Property
- Facetres Property
- Filename Property
- Filletrad Property
- Fillmode Property
- FingerprintGuid Property
- GeoDataObject Property
- GroupDictionaryId Property
- HaloGap Property
- Handseed Property
- HideText Property
- HomeView Property
- HpInherit Property
- HpOrigin Property
- HyperlinkBase Property
- Indexctl Property
- Insbase Property
- Insunits Property
- Interferecolor Property
- Interfereobjvs Property
- Interferevpvs Property
- IntersectColor Property
- IntersectDisplay Property
- IsBeingDestroyed Property
- IsEmr Property
- Isolines Property
- IsPartiallyOpened Property
- JoinStyle Property
- LastSavedAsMaintenanceVersion Property
- LastSavedAsVersion Property
- Latitude Property
- LayerEval Property
- LayerFilters Property
- LayerNotify Property
- LayerStateManager Property
- LayerTableId Property
- LayerZero Property
- LayoutDictionaryId Property
- LensLength Property
- LightGlyphDisplay Property
- LightingUnits Property
- LightsInBlocks Property
- Limcheck Property
- Limmax Property
- Limmin Property
- LinetypeTableId Property
- LineWeightDisplay Property
- LoftAng1 Property
- LoftAng2 Property
- LoftMag1 Property
- LoftMag2 Property
- LoftNormals Property
- LoftParam Property
- Longitude Property
- Ltscale Property
- Lunits Property
- Luprec Property
- MaintenanceReleaseVersion Property
- MaterialDictionaryId Property
- Maxactvp Property
- Measurement Property
- Menu Property
- Mirrtext Property
- MLeaderscale Property
- MLeaderstyle Property
- MLeaderStyleDictionaryId Property
- MLStyleDictionaryId Property
- MsLtScale Property
- MsOleScale Property
- NamedObjectsDictionaryId Property
- NeedsRecovery Property
- NorthDirection Property
- NumberOfSaves Property
- ObjectContextManager Property
- ObscuredColor Property
- ObscuredLineType Property
- OleStartUp Property
- OriginalFileMaintenanceVersion Property
- OriginalFileName Property
- OriginalFileSavedByMaintenanceVersion Property
- OriginalFileSavedByVersion Property
- OriginalFileVersion Property
- Orthomode Property
- PaperSpaceVportId Property
- PdfFrame Property
- Pdmode Property
- Pdsize Property
- Pelevation Property
- Pextmax Property
- Pextmin Property
- Pinsbase Property
- Plimcheck Property
- Plimmax Property
- Plimmin Property
- PlineEllipse Property
- Plinegen Property
- Plinewid Property
- PlotSettingsDictionaryId Property
- PlotStyleMode Property
- PlotStyleNameDictionaryId Property
- PlotStyleNameId Property
- ProjectName Property
- Psltscale Property
- PsolHeight Property
- PsolWidth Property
- Pucs Property
- PucsBase Property
- Pucsname Property
- Pucsorg Property
- PucsOrthographic Property
- Pucsxdir Property
- Pucsydir Property
- Qtextmode Property
- RegAppTableId Property
- Regenmode Property
- RetainOriginalThumbnailBitmap Property
- Saveproxygraphics Property
- SectionManagerId Property
- SectionViewStyle Property
- SectionViewStyleDictionaryId Property
- SecurityParameters Property
- Shadedge Property
- Shadedif Property
- ShadowPlaneLocation Property
- ShowHist Property
- Sketchinc Property
- Skpoly Property
- SolidHist Property
- SortEnts Property
- Splframe Property
- Splinesegs Property
- Splinetype Property
- StepSize Property
- StepsPerSec Property
- StyleSheet Property
- SummaryInfo Property
- Surftab1 Property
- Surftab2 Property
- Surftype Property
- Surfu Property
- Surfv Property
- Tablestyle Property
- TableStyleDictionaryId Property
- Tdcreate Property
- Tdindwg Property
- Tducreate Property
- Tdupdate Property
- Tdusrtimer Property
- Tduupdate Property
- Textsize Property
- Textstyle Property
- TextStyleTableId Property
- Thickness Property
- ThumbnailBitmap Property
- TileMode Property
- TileModeLightSynch Property
- TimeZone Property
- Tracewid Property
- TransactionManager Property
- Treedepth Property
- TStackAlign Property
- TstackSize Property
- Ucs Property
- UcsBase Property
- Ucsname Property
- Ucsorg Property
- UcsOrthographic Property
- UcsTableId Property
- Ucsxdir Property
- Ucsydir Property
- UndoRecording Property
- Unitmode Property
- UpdateThumbnail Property
- Useri1 Property
- Useri2 Property
- Useri3 Property
- Useri4 Property
- Useri5 Property
- Userr1 Property
- Userr2 Property
- Userr3 Property
- Userr4 Property
- Userr5 Property
- Usrtimer Property
- VersionGuid Property
- ViewportScaleDefault Property
- ViewportTableId Property
- ViewTableId Property
- Visretain Property
- VisualStyleDictionaryId Property
- Worldview Property
- XclipFrame Property
- XrefBlockId Property
- XrefEditEnabled Property
- Database Events
- DatabaseIOEventArgs Class
- DatabaseSummaryInfo Structure
- DatabaseSummaryInfoBuilder Class
- DataCell Class
- DataCellCollection Class
- DataColumn Class
- DataLink Class
- DataLinkGetSourceContext Enumeration
- DataLinkManager Class
- DataLinkOption Enumeration
- DataTable Class
- DataType Enumeration
- DBDictionary Class
- DBDictionaryEntry Structure
- DbDictionaryEnumerator Class
- DbHomeView Class
- DBObject Class
- DBObjectCollection Class
- DBObjectReference Structure
- DBObjectReferenceCollection Class
- DBPoint Class
- DBText Class
- DBVisualStyle Class
- DecomposeForSaveReplacementRecord Structure
- DeepCloneType Enumeration
- DefaultLightingType Enumeration
- DetailSymbol Class
- DetailSymbolBoundaryType Enumeration
- DetailSymbolOverriddenProperty Enumeration
- DetailViewIdentifierPlacement Enumeration
- DetailViewModelEdge Enumeration
- DetailViewStyle Class
- DgnDefinition Class
- DgnReference Class
- DgnUnderlayItem Class
- DiametricDimension Class
- DictionaryWithDefaultDictionary Class
- DimArrowFlag Enumeration
- Dimension Class
- DimensionCenterMarkType Enumeration
- DimensionStyleOverrule Class
- DimStyleTable Class
- DimStyleTableRecord Class
- DistanceConstraint Class
- DragStatus Enumeration
- DrawLeaderOrderType Enumeration
- DrawMLeaderOrderType Enumeration
- DrawOrderTable Class
- DuplicateRecordCloning Enumeration
- DwfDefinition Class
- DwfReference Class
- DwgFiler Class
- DwgVersion Enumeration
- DxfCode Enumeration
- DxfFiler Class
- DynamicBlockReferenceProperty Class
- DynamicBlockReferencePropertyCollection Class
- DynamicBlockReferencePropertyCollectionEnumerator Class
- DynamicBlockReferencePropertyUnitsType Enumeration
- DynamicDimensionChangedEventArgs Class
- DynamicDimensionData Class
- DynamicDimensionDataCollection Class
- EdgeRef Class
- Ellipse Class
- EndCap Enumeration
- Entity Class
- EntityAlignmentEventArgs Class
- EqualCurvatureConstraint Class
- EqualDistanceConstraint Class
- EqualHelpParameterConstraint Class
- EqualLengthConstraint Class
- EqualRadiusConstraint Class
- ExplicitConstraint Class
- Extents2d Structure
- Extents3d Structure
- ExtrudedSurface Class
- Face Class
- FaceRecord Class
- FaceRef Class
- FeatureControlFrame Class
- Field Class
- FieldCodeFlags Enumeration
- FieldCodeWithChildren Class
- FieldEvaluationContext Enumeration
- FieldEvaluationOptions Enumeration
- FieldEvaluationResult Structure
- FieldEvaluationStatus Enumeration
- FieldEvaluationStatusResult Structure
- FieldFilingOptions Enumeration
- FieldState Enumeration
- FileOpenMode Enumeration
- FilerType Enumeration
- FilletTrimMode Enumeration
- FindFileHint Enumeration
- FitData Structure
- FixedConstraint Class
- FlowDirection Enumeration
- Font Structure
- FormattedTableData Class
- FrameSetting Enumeration
- FullDwgVersion Structure
- FullSubentityPath Structure
- G2SmoothConstraint Class
- GeoCoordinateCategory Class
- GeoCoordinateSystem Class
- GeoCoordinateTransformer Class
- GeoCSProjectionCode Enumeration
- GeoCSType Enumeration
- GeoCSUnit Enumeration
- GeoLocationData Class
- GeomapImage Class
- GeomapType Enumeration
- GeometricalConstraint Class
- GeometryOverrule Class
- GeomRef Class
- GeoPositionMarker Class
- GradientBackground Class
- GradientColor Structure
- GradientPatternType Enumeration
- Graph Class
- GraphicsMetafileType Enumeration
- GraphNode Class
- GraphNodeCollection Class
- GridLineStyle Enumeration
- GridLineType Enumeration
- GridProperties Enumeration
- GridPropertyParameter Structure
- GripData Class
- GripMode Class
- GripModeCollection Class
- GripOverrule Class
- GripStatus Enumeration
- GroundPlaneBackground Class
- Group Class
- GsMarkType Enumeration
- Handle Structure
- Hatch Class
- HatchEdgeType Enumeration
- HatchLoop Class
- HatchLoopTypes Enumeration
- HatchObjectType Enumeration
- HatchPatternType Enumeration
- HatchStyle Enumeration
- Helix Class
- HelpParameter Class
- HighlightOverrule Class
- HighlightStateOverrule Class
- HorizontalConstraint Class
- HostApplicationServices Class
- HyperLink Class
- HyperLinkCollection Class
- IBLBackground Class
- IdMapping Class
- IdMappingEventArgs Class
- IdPair Structure
- Image Class
- ImageBackground Class
- ImageDisplayOptions Enumeration
- ImageQuality Enumeration
- ImplicitPointType Enumeration
- IndexCreation Enumeration
- InterferenceProtocolExtension Class
- Intersect Enumeration
- ItemLocator Structure
- ITextEditorSelectable Interface
- JoinStyle Enumeration
- LampColorPreset Enumeration
- LampColorType Enumeration
- LayerEvaluation Enumeration
- LayerStateManager Class
- LayerStateMasks Enumeration
- LayerTable Class
- LayerTableRecord Class
- LayerViewportProperties Class
- Layout Class
- LayoutCopiedEventArgs Class
- LayoutEventArgs Class
- LayoutManager Class
- LayoutRenamedEventArgs Class
- Leader Class
- LeaderDirectionType Enumeration
- LeaderType Enumeration
- Light Class
- LightingUnits Enumeration
- Line Class
- LineAngularDimension2 Class
- LineSpacingStyle Enumeration
- LinetypeTable Class
- LinetypeTableRecord Class
- LineWeight Enumeration
- LineWeightConverter Class
- LinkedData Class
- LinkedTableData Class
- LoftedSurface Class
- LoftOptions Class
- LoftOptionsBuilder Class
- LoftOptionsCheckCurvesOut Class
- LoftOptionsNormalOption Enumeration
- LoftProfile Class
- LongTransaction Class
- LongTransactionType Enumeration
- MaintenanceReleaseVersion Enumeration
- MatchProperties Class
- Material Class
- MeasurementValue Enumeration
- MergeCellStyleOption Enumeration
- MeshDataCollection Structure
- MeshFaceterData Structure
- MeshPointMaps Structure
- MidPointConstraint Class
- MInsertBlock Class
- MLeader Class
- MLeaderStyle Class
- Mline Class
- MlineJustification Enumeration
- MlineStyle Class
- MlineStyleElement Structure
- MlineStyleElementCollection Class
- MlineStyleElementCollectionEnumerator Class
- ModelDocViewLabelAlignmentType Enumeration
- ModelDocViewLabelAttachmentPoint Enumeration
- ModelerFlavor Enumeration
- MoveType Enumeration
- MText Class
- MTextFragment Class
- MTextFragmentCallbackStatus Enumeration
- MultiModesGripPE Class
- NewLayerNotification Enumeration
- NormalConstraint Class
- Notifier Class
- NurbsData Structure
- NurbSurface Class
- ObjectClosedEventArgs Class
- ObjectClosedEventHandler Type
- ObjectContext Class
- ObjectContextCollection Class
- ObjectContextCollectionEnumerator Class
- ObjectContextManager Class
- ObjectErasedEventArgs Class
- ObjectErasedEventHandler Type
- ObjectEventArgs Class
- ObjectEventHandler Type
- ObjectId Structure
- ObjectIdCollection Class
- ObjectIdGraph Class
- ObjectIdGraphNode Class
- ObjectOverrule Class
- ObjectSnapContext Class
- ObjectSnapInfo Class
- ObjectSnapModes Enumeration
- ObjectTypeAttribute Class
- Ole2Frame Class
- OpenCloseTransaction Class
- OpenMode Enumeration
- OpenModeAttribute Class
- OrdinateDimension Class
- OrthographicView Enumeration
- OsnapOverrule Class
- PaperOrientationStates Enumeration
- ParallelConstraint Class
- ParseOption Enumeration
- PasswordOptions Enumeration
- PathOption Enumeration
- PathRef Class
- PatternDefinition Structure
- PCAdsName Structure
- PdfDefinition Class
- PdfReference Class
- PerpendicularConstraint Class
- PhysicalIntensityMethod Enumeration
- PlaceHolder Class
- Planarity Enumeration
- PlaneSurface Class
- PlotPaperUnit Enumeration
- PlotRotation Enumeration
- PlotSettings Class
- PlotSettingsShadePlotType Enumeration
- PlotSettingsValidator Class
- PlotStyleDescriptor Structure
- PlotStyleNameType Enumeration
- PlotStyleTableChangedEventArgs Class
- PlotType Enumeration
- Point3AngularDimension Class
- PointCloud Class
- PointCloudClassificationColorRamp Class
- PointCloudColorMap Class
- PointCloudColorRamp Class
- PointCloudCrop Class
- PointCloudCropType Enumeration
- PointCloudDefEx Class
- PointCloudDispOptionOutOfRange Enumeration
- PointCloudEx Class
- PointCloudItem Class
- PointCloudItemType Enumeration
- PointCloudProperty Enumeration
- PointCloudPropertyState Enumeration
- PointCloudStylizationType Enumeration
- PointCoincidenceConstraint Class
- PointCurveConstraint Class
- Poly2dType Enumeration
- Poly3dType Enumeration
- PolyFaceMesh Class
- PolyFaceMeshVertex Class
- PolygonMesh Class
- PolygonMeshVertex Class
- Polyline Class
- Polyline2d Class
- Polyline3d Class
- PolylineVertex3d Class
- PolyMeshType Enumeration
- Profile3d Class
- PropertiesOverrule Class
- ProxyEntity Class
- ProxyObject Class
- ProxyResurrectionCompletedEventArgs Class
- RadialDimension Class
- RadialDimensionLarge Class
- RadiusDiameterConstraint Class
- RapidRTRenderSettings Class
- RapidRTRenderTarget Enumeration
- RasterImage Class
- RasterImageDef Class
- RasterVariables Class
- Ray Class
- Rectangle3d Structure
- RegAppTable Class
- RegAppTableRecord Class
- Region Class
- RegionAreaProperties Structure
- RenderEnvironment Class
- RenderGlobal Class
- RenderSettings Class
- ResultBuffer Class
- ResultBufferEnumerator Class
- RevolvedSurface Class
- RevolveOptions Class
- RevolveOptionsBuilder Class
- RevolveOptionsCheckRevolveCurveOut Class
- RigidSetTypeInfo Enumeration
- RotatedDimension Class
- RotationAngle Enumeration
- RowType Enumeration
- SaveType Enumeration
- Section Class
- SectionGeneration Enumeration
- SectionGeometry Enumeration
- SectionHeight Enumeration
- SectionHitTestInfo Structure
- SectionManager Class
- SectionSettings Class
- SectionState Enumeration
- SectionSubItem Enumeration
- SectionSymbol Class
- SectionType Enumeration
- SectionViewArrowDirection Enumeration
- SectionViewIdentifierPosition Enumeration
- SectionViewStyle Class
- SecurityActions Enumeration
- SecurityAlgorithm Enumeration
- SecurityParameters Class
- SegmentType Enumeration
- SelectType Enumeration
- SequenceEnd Class
- ShadePlotResLevel Enumeration
- ShadePlotType Enumeration
- Shape Class
- Solid Class
- Solid3d Class
- Solid3dMassProperties Structure
- SolidBackground Class
- SourceType Enumeration
- Spline Class
- SplineType Enumeration
- StandardScaleType Enumeration
- StdScaleType Enumeration
- SubDMesh Class
- SubentityGeometry Class
- SubentityOverrule Class
- SubentityType Enumeration
- SubentRef Class
- Sun Class
- Surface Class
- SurfaceTrimInfo Class
- SweepOptionsAlignOption Enumeration
- SweptSurface Class
- SymbolTable Class
- SymbolTableEnumerator Class
- SymbolTableRecord Class
- SymbolUtilityServices Class
- SymmetricConstraint Class
- Table Class
- TableBreakFlowDirection Enumeration
- TableBreakOptions Enumeration
- TableCellType Enumeration
- TableContent Class
- TableCopyOptions Enumeration
- TableEnumerator Class
- TableEnumeratorOption Enumeration
- TableFillOptions Enumeration
- TableHitTestInfo Structure
- TableHitTestType Enumeration
- TableStyle Class
- TableStyleFlags Enumeration
- TableStyleOverride Enumeration
- TableTemplate Class
- TangentConstraint Class
- TextAlignment Enumeration
- TextAlignmentType Enumeration
- TextAngleType Enumeration
- TextAttachmentDirection Enumeration
- TextAttachmentType Enumeration
- TextEditor Class
- TextEditorColumn Class
- TextEditorColumns Class
- TextEditorCursor Class
- TextEditorLocation Class
- TextEditorParagraph Class
- TextEditorParagraphTab Structure
- TextEditorSelection Class
- TextEditorSelectionbase Class
- TextEditorStack Structure
- TextEditorWipeout Class
- TextHorizontalMode Enumeration
- TextStyleTable Class
- TextStyleTableRecord Class
- TextVerticalMode Enumeration
- ThreePointAngleConstraint Class
- Transaction Class
- TransactionManager Class
- TransformOverrule Class
- TypedValue Structure
- UcsTable Class
- UcsTableRecord Class
- UnderlayDefinition Class
- UnderlayFile Class
- UnderlayHost Class
- UnderlayItem Class
- UnderlayItemCollection Class
- UnderlayLayer Class
- UnderlayLayerCollection Class
- UnderlayLayerState Enumeration
- UnderlayReference Class
- Unit Enumeration
- UnitsConverter Class
- UnitsValue Enumeration
- UnitType Enumeration
- UnmanagedPointCloudColorSchemeCollectionReactor Structure
- UpdateDirection Enumeration
- UpdateOption Enumeration
- Vertex Class
- Vertex2d Class
- Vertex2dType Enumeration
- Vertex3dType Enumeration
- VertexRef Class
- VerticalConstraint Class
- ViewBorder Class
- Viewport Class
- ViewportTable Class
- ViewportTableRecord Class
- ViewRepBlockReference Class
- ViewStyleType Enumeration
- ViewTable Class
- ViewTableRecord Class
- Visibility Enumeration
- VisibilityOverrule Class
- WblockNoticeEventArgs Class
- Wipeout Class
- Xline Class
- Xrecord Class
- XrecordEnumerator Class
- XrefBeginOperationEventArgs Class
- XrefComandeeredEventArgs Class
- XrefGraph Class
- XrefGraphNode Class
- XrefNotificationStatus Enumeration
- XrefObjectId Structure
- XrefOperation Enumeration
- XrefPreXrefLockFileEventArgs Class
- XrefRedirectedEventArgs Class
- XrefStatus Enumeration
- XrefSubCommandEventArgs Class
- XrefVetoableSubCommandEventArgs Class
- Autodesk.AutoCAD.DatabaseServices.Filters Namespace
- Autodesk.AutoCAD.DataExtraction Namespace
- Autodesk.AutoCAD.EditorInput Namespace
- Autodesk.AutoCAD.Geometry Namespace
- Autodesk.AutoCAD.GraphicsInterface Namespace
- Autodesk.AutoCAD.GraphicsSystem Namespace
- Autodesk.AutoCAD.LayerManager Namespace
- Autodesk.AutoCAD.PlottingServices Namespace
- Autodesk.AutoCAD.Publishing Namespace
- Autodesk.AutoCAD.Ribbon Namespace
- Autodesk.AutoCAD.Runtime Namespace
- Autodesk.AutoCAD.Windows Namespace
- Autodesk.AutoCAD.Windows.BGPublish Namespace
- Autodesk.AutoCAD.Windows.ToolPalette Namespace
- Autodesk.Windows Namespace
- Autodesk.Windows.Forms Namespace
- Autodesk.Windows.Media Namespace
- Autodesk.Windows.Palettes Namespace
- Autodesk.Windows.Palettes.Controls Namespace
- Autodesk.Windows.Themes Namespace
- Autodesk.Windows.ToolBars Namespace
- ObjectARX: Interoperability Guide
- ObjectARX: Migration Guide
- ObjectARX: Release Notes
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- AutoCAD Core Console