Revit 2025.3 API
Curve |
Creates an arc through the given reference points.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
public static CurveElement CreateArcThroughPoints( Document document, ReferencePoint startPoint, ReferencePoint endPoint, ReferencePoint interiorPoint )
Public Shared Function CreateArcThroughPoints ( document As Document, startPoint As ReferencePoint, endPoint As ReferencePoint, interiorPoint As ReferencePoint ) As CurveElement
public: static CurveElement^ CreateArcThroughPoints( Document^ document, ReferencePoint^ startPoint, ReferencePoint^ endPoint, ReferencePoint^ interiorPoint )
static member CreateArcThroughPoints : document : Document * startPoint : ReferencePoint * endPoint : ReferencePoint * interiorPoint : ReferencePoint -> CurveElement
Parameters
- document Document
- The Document.
- startPoint ReferencePoint
- The start point of the arc.
- endPoint ReferencePoint
- The end end of the arc.
- interiorPoint ReferencePoint
- The interior point on the arc.
Return Value
CurveElementThe CurveElement to be created.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |
InvalidOperationException | Can't create an arc from the given points |

The interiorPoint determines the orientation of the arc while startPoint and endPoint determine
the angle parameters at the ends.
See Also