Share Email Facebook Twitter LinkedIn GroupTypeId.SystemtypeRisedrop Property Rise / Drop. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public static ForgeTypeId SystemtypeRisedrop { get; }Property ValueForgeTypeId See AlsoReferenceGroupTypeId ClassAutodesk.Revit.DB Namespace