Revit 2018 APIArc..::..Center Property Arc Class See Also Returns the center of the arc.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0)SyntaxC#public XYZ Center { get; }Visual BasicPublic ReadOnly Property Center As XYZ GetVisual C++public: property XYZ^ Center { XYZ^ get (); }See AlsoArc ClassAutodesk.Revit.DB Namespace