Revit 2023 APIFilledRegion ClassMembers See Also A filled region element. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)Since: 2012 SyntaxC#public class FilledRegion : ElementVisual BasicPublic Class FilledRegion _ Inherits ElementVisual C++public ref class FilledRegion : public ElementInheritance HierarchySystem..::..Object Autodesk.Revit.DB..::..Element Autodesk.Revit.DB..::..FilledRegionSee AlsoFilledRegion MembersAutodesk.Revit.DB Namespace