Share Email Facebook Twitter LinkedIn SelectionChangedEventArgs.GetSelectedElements Method Returns ElementIds of selected elements. Namespace: Autodesk.Revit.UI.EventsAssembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public ISet<ElementId> GetSelectedElements()Return ValueISet<ElementId> See AlsoReferenceSelectionChangedEventArgs ClassAutodesk.Revit.UI.Events Namespace