Share Email Facebook Twitter LinkedIn Curve.IsClosed Property Describes whether the curve is closed.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34) Syntax C# public bool IsClosed { get; }Property ValueBoolean RemarksA curve is "closed" if it is bounded and its start and end points coincide (to within Revit's 3D tolerance), or if it is unbounded and periodic. See AlsoReferenceCurve ClassAutodesk.Revit.DB Namespace