Share Email Facebook Twitter LinkedIn HermiteFace.MixedDerivs Property Mixed derivatives of the surface.Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public IList<XYZ> MixedDerivs { get; }Property ValueIList<XYZ> See AlsoReferenceHermiteFace ClassAutodesk.Revit.DB Namespace