Returns thickness of flange measured in the 0.25 * (width - webThickess),
sometimes used for sections with width > 300 mm.
Namespace:
Autodesk.Revit.DB.Structure.StructuralSections
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 18.0.0.0 (18.0.0.420)
Since:
2018