Share Email Facebook Twitter LinkedIn IFCRange.Start Property The starting value of the range. Namespace: Autodesk.Revit.DB.IFCAssembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public double Start { get; set; }Property ValueDouble See AlsoReferenceIFCRange ClassAutodesk.Revit.DB.IFC Namespace