C++
Acad::ErrorStatus cancel();
Description
Terminates the current open operation. All changes made to the object since it was opened are undone, the object is marked as closed, and "cancel" notification is sent.
Returns Acad::eOk if successful.
- Customization Guide
- DXF Reference
- AutoLISP and DCL
- ObjectARX
- ObjectARX: Developer's Guide
- ObjectARX: Reference Guide
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- ObjectARX Reference Guide
- AcAp Classes
- AcAx Classes (WIN)
- AcBr Classes
- AcCm Classes
- AcDb Classes
- Ac3PointAngleConstraint Class
- AcAngleConstraint Class
- AcAutoConstrainEvaluationCallback Class
- AcCenterPointConstraint Class
- AcColinearConstraint Class
- AcCompositeConstraint Class
- AcConcentricConstraint Class
- AcConstrained2PointsConstructionLine Class
- AcConstrainedArc Class
- AcConstrainedBoundedEllipse Class
- AcConstrainedBoundedLine Class
- AcConstrainedCircle Class
- AcConstrainedConstructionLine Class
- AcConstrainedCurve Class
- AcConstrainedDatumLine Class
- AcConstrainedEllipse Class
- AcConstrainedGeometry Class
- AcConstrainedImplicitPoint Class
- AcConstrainedLine Class
- AcConstrainedPoint Class
- AcConstrainedRigidSet Class
- AcConstrainedSpline Class
- AcConstraintGroupNode Class
- AcDb2dPolyline Class
- AcDb2dVertex Class
- AcDb2LineAngularDimension Class
- AcDb3dPolyline Class
- AcDb3dPolylineVertex Class
- AcDb3dProfile Class
- AcDb3dSolid Class
- AcDb3PointAngularDimension Class
- AcDbAbstractViewTable Class
- AcDbAbstractViewTableIterator Class
- AcDbAbstractViewTableRecord Class
- AcDbActionsToEvaluateCallback Class
- AcDbAlignedDimension Class
- AcDbAlignment Class
- AcDbAnnotationScale Class
- AcDbAnnotationScaleReactor Class
- AcDbAnnotativeObjectPE Class
- AcDbAppEntityGrips Class
- AcDbAppSystemVariables Class
- AcDbArc Class
- AcDbArcDimension Class
- AcDbArrayGripAppData Class
- AcDbAssoc2dConstraintCallback Class
- AcDbAssoc2dConstraintGroup Class
- AcDbAssocAction Class
- AcDbAssocActionBody Class
- AcDbAssocActionParam Class
- AcDbAssocArrayActionBody Class
- AcDbAssocArrayCommonParameters Class
- AcDbAssocArrayItem Class
- AcDbAssocArrayModifyActionBody Class
- AcDbAssocArrayParameters Class
- AcDbAssocArrayPathParameters Class
- AcDbAssocArrayPolarParameters Class
- AcDbAssocArrayRectangularParameters Class
- AcDbAssocAsmBodyActionParam Class
- AcDbAssocBlendSurfaceActionBody Class
- AcDbAssocCompoundActionParam Class
- AcDbAssocConstraintType Enumeration
- AcDbAssocCreateImpObject Enumeration
- AcDbAssocDependency Class
- AcDbAssocDependencyBody Class
- AcDbAssocDependencyNotificationDisabler Class
- AcDbAssocDependencyNotificationDisabler Constructor
- AcDbAssocDependencyPE Class
- AcDbAssocDimDependencyBody Class
- AcDbAssocDimDependencyBodyBase Class
- AcDbAssocDraggingState Enumeration
- AcDbAssocEdgeActionParam Class
- AcDbAssocEdgeChamferActionBody Class
- AcDbAssocEdgeFilletActionBody Class
- AcDbAssocEdgePersSubentId Class
- AcDbAssocEvaluationCallback Class
- AcDbAssocEvaluationMode Enumeration
- AcDbAssocEvaluationPriority Enumeration
- AcDbAssocExtendSurfaceActionBody Class
- AcDbAssocExtrudedSurfaceActionBody Class
- AcDbAssocFaceActionParam Class
- AcDbAssocFilletSurfaceActionBody Class
- AcDbAssocGeomDependency Class
- AcDbAssocIndexPersSubentId Class
- AcDbAssocLoftedSurfaceActionBody Class
- AcDbAssocManager Class
- AcDbAssocNetwork Class
- AcDbAssocNetworkIterator Class
- AcDbAssocNetworkSurfaceActionBody Class
- AcDbAssocObjectActionParam Class
- AcDbAssocObjectPointer Template
- AcDbAssocOffsetSurfaceActionBody Class
- AcDbAssocParamBasedActionBody Class
- AcDbAssocPatchSurfaceActionBody Class
- AcDbAssocPathActionParam Class
- AcDbAssocPathBasedSurfaceActionBody Class
- AcDbAssocPersSubentId Class
- AcDbAssocPersSubentIdPE Class
- AcDbAssocPlaneSurfaceActionBody Class
- AcDbAssocRevolvedSurfaceActionBody Class
- AcDbAssocSimplePersSubentId Class
- AcDbAssocSingleEdgePersSubentId Class
- AcDbAssocStatus Enumeration
- AcDbAssocSurfaceActionBody Class
- AcDbAssocSweptSurfaceActionBody Class
- AcDbAssocTransformationType Enumeration
- AcDbAssocTransInfo Structure
- AcDbAssocTrimSurfaceActionBody Class
- AcDbAssocValueDependency Class
- AcDbAssocValueProviderPE Class
- AcDbAssocVariable Class
- AcDbAssocVariableCallback Class
- AcDbAssocVertexActionParam Class
- AcDbAttribute Class
- AcDbAttributeDefinition Class
- AcDbAuditInfo Class
- AcDbAuditRecreatePE Class
- AcDbBackground Class
- AcDbBlendOptions Class
- AcDbBlockBegin Class
- AcDbBlockChangeIterator Class
- AcDbBlockEnd Class
- AcDbBlockInsertionPoints Class
- AcDbBlockReference Class
- AcDbBlockReferenceIdIterator Class
- AcDbBlockTable Class
- AcDbBlockTableIterator Class
- AcDbBlockTableRecord Class
- AcDbBlockTableRecordIterator Class
- AcDbBody Class
- AcDbBreakData Class
- AcDbBreakPointRef Class
- AcDbCamera Class
- AcDbCircle Class
- AcDbClassIterator Class
- AcDbColor Class
- AcDbCompositeFilteredBlockIterator Class
- AcDbCompoundObjectId Class
- AcDbCurve Class
- AcDbCurvePath Class
- AcDbCustomOsnapInfo Class
- AcDbCustomOsnapManager Class
- AcDbCustomOsnapMode Class
- AcDbCustomOsnapMode2 Class
- AcDbDatabase Class
- AcDbDatabaseReactor Class
- AcDbDatabaseSummaryInfo Class
- AcDbDataCell Class
- AcDbDataColumn Class
- AcDbDataLink Class
- AcDbDataLinkManager Class
- AcDbDataTable Class
- AcDbDate Class
- AcDbDeepCloneFiler Class
- AcDbDetailSymbol Class
- AcDbDetailViewStyle Class
- AcDbDgnDefinition Class
- AcDbDgnReference Class
- AcDbDgnRefFileRepath Class
- AcDbDgnUnderlayItem Class
- AcDbDiametricDimension Class
- AcDbDictionary Class
- AcDbDictionaryIterator Class
- AcDbDictionaryWithDefault Class
- AcDbDictUtil Namespace
- AcDbDimAssoc Class
- AcDbDimData Class
- AcDbDimDataPtrArray Type
- AcDbDimension Class
- AcDbDimensionStyleOverrule Class
- AcDbDimStyleTable Class
- AcDbDimStyleTableIterator Class
- AcDbDimStyleTableRecord Class
- AcDbDisableAnnoAutoScale Class
- AcDbDwfDefinition Class
- AcDbDwfReference Class
- AcDbDwgFiler Class
- AcDbDxfFiler Class
- AcDbDynamicUCSPE Class
- AcDbDynBlockReference Class
- AcDbDynBlockReferenceProperty Class
- AcDbDynBlockTableRecord Class
- AcDbEdgeRef Class
- AcDbEllipse Class
- AcDbEntity Class
- AcDbEntityHyperlinkPE Class
- AcDbEntityReactor Class
- AcDbEvalConnectable Class
- AcDbEvalContext Class
- AcDbEvalContextIterator Class
- AcDbEvalContextPair Class
- AcDbEvalEdgeInfo Class
- AcDbEvalExpr Class
- AcDbEvalGraph Class
- AcDbEvalIdMap Class
- AcDbEvalVariant Class
- AcDbExtents Class
- AcDbExtents2d Class
- AcDbExtrudedSurface Class
- AcDbFace Class
- AcDbFaceRecord Class
- AcDbFaceRef Class
- AcDbFcf Class
- AcDbField Class
- AcDbFilter Class
- AcDbFilteredBlockIterator Class
- AcDbFormattedTableData Class
- AcDbFrame Class
- AcDbFullSubentPath Class
- AcDbGeoCompoundCoordinateSystem Class
- AcDbGeoCoordinateSystem Class
- AcDbGeoCoordinateSystemCategory Class
- AcDbGeoCoordinateSystemTransformer Class
- AcDbGeoData Class
- AcDbGeoDataReactor Class
- AcDbGeoMap Class
- AcDbGeometryOverrule Class
- AcDbGeomRef Class
- AcDbGeoPositionMarker Class
- AcDbGeoVerticalCoordinateSystem Class
- AcDbGradientBackground Class
- AcDbGraph Class
- AcDbGraphNode Class
- AcDbGraphStack Class
- AcDbGripData Class
- AcDbGripOperations Namespace
- AcDbGripOverrule Class
- AcDbGroundPlaneBackground Class
- AcDbGroup Class
- AcDbGroupIterator Class
- AcDbHandle Class
- AcDbHardOwnershipId Class
- AcDbHardPointerId Class
- AcDbHatch Class
- AcDbHelix Class
- AcDbHighlightOverrule Class
- AcDbHighlightStateOverrule Class
- AcDbHomeView Class
- AcDbHostApplicationProgressMeter Class
- AcDbHostApplicationServices Class
- AcDbHyperlink Class
- AcDbHyperlinkCollection Class
- AcDbIBLBackground Class
- AcDbIdMapping Class
- AcDbIdMappingIter Class
- AcDbIdPair Class
- AcDbImage Class
- AcDbImageBackground Class
- AcDbIndex Class
- AcDbIndexFilterManager Namespace
- AcDbIndexUpdateData Class
- AcDbIndexUpdateDataIterator Class
- AcDbIntArray Type
- AcDbInterferencePE Class
- AcDbItemLocator Class
- AcDbJoinEntityPE Class
- AcDbLayerFilter Class
- AcDbLayerIndex Class
- AcDbLayerIndexIterator Class
- AcDbLayerStateManager Class
- AcDbLayerStateManagerReactor Class
- AcDbLayerTable Class
- AcDbLayerTableIterator Class
- AcDbLayerTableRecord Class
- AcDbLayout Class
- AcDbLayoutManager Class
- AcDbLayoutManagerReactor Class
- AcDbLeader Class
- AcDbLight Class
- AcDbLine Class
- AcDbLinetypeTable Class
- AcDbLinetypeTableIterator Class
- AcDbLinetypeTableRecord Class
- AcDbLinkedData Class
- AcDbLinkedTableData Class
- AcDbLoftedSurface Class
- AcDbLoftOptions Class
- AcDbLoftProfile Class
- AcDbLongTransaction Class
- AcDbLongTransWorkSetIterator Class
- AcDbMatchProperties Class
- AcDbMaterial Class
- AcDbMentalRayRenderSettings Class
- AcDbMInsertBlock Class
- AcDbMLeader Class
- AcDbMLeaderStyle Class
- AcDbMline Class
- AcDbMlineStyle Class
- AcDbModelDocViewStyle Class
- AcDbMotionPath Class
- AcDbMPolygon Class
- AcDbMText Class
- AcDbMultiModesGripPE Class
- AcDbNamedPath Class
- AcDbNamedObjectDictionaryPointer Class
- AcDbNonSubEntDynamicUCSPE Class
- AcDbNurbSurface Class
- AcDbObject Class
- AcDbObject Constructor
- ~AcDbObject Destructor
- AcDbObject Methods
- addPersistentReactor Method
- addReactor Method
- applyPartialUndo Method
- assertNotifyEnabled Method
- assertReadEnabled Method
- assertWriteEnabled Method
- audit Method
- cancel Method
- cancelled Method
- clone Method
- close Method
- closeAndPage Method
- copied Method
- copyFrom Method
- createExtensionDictionary Method
- database Method
- dxfOut Method
- databaseToUse Method
- deepClone Method
- decomposeForSave Method
- hasReactor Method
- disableUndoRecording Method
- downgradeOpen Method
- downgradeToNotify Method
- drawable Method
- dwgIn Method
- dwgInFields Method
- dwgOut Method
- dwgOutFields Method
- dxfIn Method
- dxfInFields Method
- dxfOutFields Method
- erase Method
- erased Method
- extensionDictionary Method
- getAcDbHandle Method
- getBinaryData Method
- getClassID Method
- getField Method
- getObjectBirthVersion Method
- getObjectSaveVersion Method
- goodbye Method
- handOverTo Method
- hasFields Method
- hasPersistentReactor Method
- hasSaveVersionOverride Method
- intendedDatabase Method
- isAcDbObjectIdsInFlux Method
- isAProxy Method
- isCancelling Method
- isErased Method
- isEraseStatusToggled Method
- isModified Method
- isModifiedGraphics Method
- isModifiedXData Method
- isNewObject Method
- isNotifyEnabled Method
- isNotifying Method
- isPersistent Method
- isReadEnabled Method
- isReallyClosing Method
- isTransactionResident Method
- isUndoing Method
- isUndoRecordingDisabled Method
- isWriteEnabled Method
- mergeStyle Method
- modified Method
- modifiedGraphics Method
- modifiedXData Method
- modifyUndone Method
- objectClosed Method
- objectId Method
- openedForModify Method
- ownerId Method
- reactors Method
- reappended Method
- recvPropagateModify Method
- releaseExtensionDictionary Method
- removeField Method
- removeReactor Method
- removePersistentReactor Method
- setBinaryData Method
- setAcDbObjectIdsInFlux Method
- setField Method
- setHasSaveVersionOverride Method
- setIntendedDatabase Method
- setOwnerId Method
- setXData Method
- subCancel Method
- subClose Method
- subDeepClone Method
- subErase Method
- subGetClassID Method
- subHandOverTo Method
- subObjModified Method
- subOpen Method
- subSetAttributes Method
- subSwapIdWith Method
- subViewportDraw Method
- subWblockClone Method
- subWorldDraw Method
- swapIdWith Method
- swapReferences Method
- unappended Method
- undoFiler Method
- upgradeFromNotify Method
- upgradeOpen Method
- wblockClone Method
- xData Method
- xDataTransformBy Method
- xmitPropagateModify Method
- getFieldDictionary Method
- AcDbObject Operators
- AcDbObjectContext Class
- AcDbObjectContextCollection Class
- AcDbObjectContextCollectionIterator Class
- AcDbObjectContextInterface Class
- AcDbObjectContextManager Class
- AcDbObjectId Class
- AcDbObjectIdArray Type
- AcDbObjectIdGraph Class
- AcDbObjectIdGraphNode Class
- AcDbObjectIterator Class
- AcDbObjectOverrule Class
- AcDbObjectPointer Template
- AcDbObjectPointerBase Template
- AcDbObjectReactor Class
- AcDbOle2Frame Class
- AcDbOleFrame Class
- AcDbOrdinateDimension Class
- AcDbOsnapOverrule Class
- AcDbOsnapPointRef Class
- AcDbPaperOrientationPE Class
- AcDbParentTransformOfChildPE Class
- AcDbPasswordedFile Class
- AcDbPathRef Class
- AcDbPdfDefinition Class
- AcDbPdfReference Class
- AcDbPlaceHolder Class
- AcDbPlaneSurface Class
- AcDbPlotSettings Class
- AcDbPlotSettingsValidator Class
- AcDbPoint Class
- AcDbPointCloudClassificationColorRamp Class
- AcDbPointCloudColorMap Class
- AcDbPointCloudColorRamp Class
- AcDbPointCloudCrop Class
- AcDbPointCloudCropStateManager Class
- AcDbPointCloudDefEx Class
- AcDbPointCloudDefReactorEx Class
- AcDbPointCloudEx Class
- AcDbPointPath Class
- AcDbPointRef Class
- AcDbPolyFaceMesh Class
- AcDbPolyFaceMeshVertex Class
- AcDbPolygonMesh Class
- AcDbPolygonMeshVertex Class
- AcDbPolyline Class
- AcDbPropertiesOverrule Class
- AcDbPropertyFilterCustomizationPE Class
- AcDbProxyEntity Class
- AcDbProxyObject Class
- AcDbRadialDimension Class
- AcDbRadialDimensionLarge Class
- AcDbRapidRTRenderSettings Class
- AcDbRasterImage Class
- AcDbRasterImageDef Class
- AcDbRasterImageDefFileAccessReactor Class
- AcDbRasterImageDefReactor Class
- AcDbRasterImageDefTransReactor Class
- AcDbRasterVariables Class
- AcDbRay Class
- AcDbRecover Class
- AcDbRecoverCallBack Class
- AcDbRegAppTable Class
- AcDbRegAppTableIterator Class
- AcDbRegAppTableRecord Class
- AcDbRegion Class
- AcDbRenderEnvironment Class
- AcDbRenderGlobal Class
- AcDbRenderSettings Class
- AcDbRevolvedSurface Class
- AcDbRevolveOptions Class
- AcDbRotatedDimension Class
- AcDbSection Class
- AcDbSectionablePE Class
- AcDbSectionManager Class
- AcDbSectionManagerIterator Class
- AcDbSectionSettings Class
- AcDbSectionSymbol Class
- AcDbSectionViewStyle Class
- AcDbSelectGrip Class
- AcDbSelectGrip2 Class
- AcDbSequenceEnd Class
- AcDbShape Class
- AcDbSkyBackground Class
- AcDbSmartObjectPointer Template
- AcDbSoftOwnershipId Class
- AcDbSoftPointerId Class
- AcDbSolid Class
- AcDbSolidBackground Class
- AcDbSortentsTable Class
- AcDbSpatialFilter Class
- AcDbSpatialIndex Class
- AcDbSpatialIndexIterator
- AcDbSpline Class
- AcDbSubDMesh Class
- AcDbSubentGeometry Class
- AcDbSubentId Class
- AcDbSubentityOverrule Class
- AcDbSubentRef Class
- AcDbSummaryInfoManager Class
- AcDbSummaryInfoReactor Class
- AcDbSun Class
- AcDbSurface Class
- AcDbSurfaceTrimInfo Class
- AcDbSweepOptions Class
- AcDbSweptSurface Class
- AcDbSymbolTable Class
- AcDbSymbolTableIterator Class
- AcDbSymbolTablePointer Template
- AcDbSymbolTableRecord Class
- AcDbSymbolTableRecordPointer Template
- AcDbSymbolUtilities
- AcDbTable Class
- AcDbTableContent Class
- AcDbTableIterator Class
- AcDbTableStyle Class
- AcDbTableTemplate Class
- AcDbText Class
- AcDbTextEditor Class
- AcDbTextEditorColumn Class
- AcDbTextEditorColumns Class
- AcDbTextEditorCursor Class
- AcDbTextEditorLocation Class
- AcDbTextEditorParagraph Class
- AcDbTextEditorParagraphIterator Class
- AcDbTextEditorParagraphTab Class
- AcDbTextEditorSelectable Class
- AcDbTextEditorSelection Class
- AcDbTextEditorSelectionBase Class
- AcDbTextEditorStack Class
- AcDbTextEditorWipeout Class
- AcDbTextStyleTable Class
- AcDbTextStyleTableIterator Class
- AcDbTextStyleTableRecord Class
- AcDbTrace Class
- AcDbTransactionManager Class
- AcDbTransformOverrule Class
- AcDbUCSTable Class
- AcDbUCSTableIterator Class
- AcDbUCSTableRecord Class
- AcDbUnderlayDefinition Class
- AcDbUnderlayFile Class
- AcDbUnderlayHost Class
- AcDbUnderlayItem Class
- AcDbUnderlayReference Class
- AcDbVertex Class
- AcDbVertexRef Class
- AcDbViewBorder Class
- AcDbViewport Class
- AcDbViewportTable Class
- AcDbViewportTableIterator Class
- AcDbViewportTableRecord Class
- AcDbViewRepBlockReference Class
- AcDbViewSymbol Class
- AcDbViewTable Class
- AcDbViewTableIterator Class
- AcDbViewTableRecord Class
- AcDbVisibilityOverrule Class
- AcDbVisualStyle Class
- AcDbVoidPtrArray Type
- AcDbWblockCloneFiler Class
- AcDbWipeout Class
- AcDbXline Class
- AcDbXObject Class
- AcDbXrecord Class
- AcDbXrecordIterator Class
- AcDbXrefGraph Class
- AcDbXrefGraphNode Class
- AcDbXrefObjectId Class
- AcDistanceConstraint Class
- AcEqualCurvatureConstraint Class
- AcEqualDistanceConstraint Class
- AcEqualHelpParameterConstraint Class
- AcEqualLengthConstraint Class
- AcEqualRadiusConstraint Class
- AcExplicitConstraint Class
- AcFixedConstraint Class
- AcG2SmoothConstraint Class
- AcGeomConstraint Class
- AcGraph Class
- AcGraphNode Class
- AcHelpParameter Class
- AcHorizontalConstraint Class
- AcMidPointConstraint Class
- AcNormalConstraint Class
- AcParallelConstraint Class
- AcPerpendicularConstraint Class
- AcPointCoincidenceConstraint Class
- AcPointCurveConstraint Class
- AcRadiusDiameterConstraint Class
- AcSymmetricConstraint Class
- AcTangentConstraint Class
- AcVerticalConstraint Class
- ReadableAcDbObject Template
- WritableAcDbObject Class
- AcEd Classes (WIN)
- AcFd and CAcFdUi Classes
- AcGe Classes
- AcGi Classes
- AcGs Classes (WIN)
- AcLy Classes
- AcPl Classes (WIN)
- AcPublish Classes (WIN)
- AcRx Classes
- AcTransaction Classes
- AcTrayItem Classes (WIN)
- MFC Extension Classes (WIN)
- DWF Metadata Manager Classes (WIN)
- Property Palette Classes and Interfaces (WIN)
- Global Enums
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- DesignCenter Interfaces (WIN)
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- CAD Standards Interfaces (WIN)
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- Additional Information
- ObjectARX: Release Notes