Retrieve the currently selected Elements in Autodesk Revit.
Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)
public Selection Selection { get; }
Returns an object that represents the active selection. The Selection property returns an object that represents the active selection when the command was started.