Provides data for CAD editor selection changes.
public sealed class CadSelectionChangedEventArgs : EventArgs
kind:method, kind:property, kind:ctor. Press Esc to clear.CadSelectionChangedEventArgs(Nullable<RenderHitTestResult>)Initializes a new instance of the CadSelectionChangedEventArgs class.HitGets the selected hit result, or null when selection was cleared.