IADLoftFeature IADPartFeatures.AddLoftBoss(IObjectCollector CrossSections, IObjectCollector Tangents, IObjectCollector TangentMagnitudes, IObjectCollector TangentAngles, IObjectCollector GuideCurves, ADLoftGuideType GuideCurveType, bool MinimizeTwist, bool MinimizeCurvature, bool SimplifySurface, bool ConnectEnds, string Name)