This is the base for classes that describe subobjects selected through various techniques. It defines the basic data that describes a selected subobject: full subentity path, GS marker, and selection method, as well as optional details.

Autodesk.AutoCAD.EditorInput.SelectedSubObject
    Autodesk.AutoCAD.EditorInput.CrossingOrWindowSelectedSubObject
    Autodesk.AutoCAD.EditorInput.FenceSelectedSubObject
    Autodesk.AutoCAD.EditorInput.PickPointSelectedSubObject

Public Class SelectedSubObject

public class SelectedSubObject;