Share Email Facebook Twitter LinkedIn IFCRange Constructor Instantiates a default IFCRange object. Namespace: Autodesk.Revit.DB.IFCAssembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public IFCRange() Remarks The starting and ending value are both set to zero. See AlsoReferenceIFCRange ClassIFCRange OverloadAutodesk.Revit.DB.IFC Namespace