Share Email Facebook Twitter LinkedIn RevolvedSurface.XDir Property X axis of the local coordinate system associated with this revolved surface. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34) Syntax C# public XYZ XDir { get; }Property ValueXYZ See AlsoReferenceRevolvedSurface ClassAutodesk.Revit.DB Namespace