Share Email Facebook Twitter LinkedIn Face.IsTwoSided Property Determines if a face is two-sided (degenerate).Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public virtual bool IsTwoSided { get; }Property ValueBoolean See AlsoReferenceFace ClassAutodesk.Revit.DB Namespace