Class representing curve elements. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 17.0.0.0 (17.0.1090.0) 
Syntax
Remarks
 As a base class of several specialized curved elements (such as ModelCurve, ModelLine, CurveByPoints, etc.) CurveElement exposes methods and properties of general use applicable to most kinds of curves. 
 Inheritance Hierarchy
  System Object  
Autodesk.Revit.DB Element
Autodesk.Revit.DB CurveElement
Autodesk.Revit.DB CurveByPoints
Autodesk.Revit.DB DetailCurve
Autodesk.Revit.DB ModelCurve
Autodesk.Revit.DB.Structure AreaReinforcementCurve
Autodesk.Revit.DB SymbolicCurve
 
 Autodesk.Revit.DB Element
Autodesk.Revit.DB CurveElement
Autodesk.Revit.DB CurveByPoints
Autodesk.Revit.DB DetailCurve
Autodesk.Revit.DB ModelCurve
Autodesk.Revit.DB.Structure AreaReinforcementCurve
Autodesk.Revit.DB SymbolicCurve