Gets the active selection set for the drawing.
Supported platforms: Windows only
No additional remarks.
VBA:
Sub Example_ActiveSelectionSet()
    Dim sset As AcadSelectionSet
    ' The following example returns current selection set from current drawing
    Set sset = ThisDrawing.ActiveSelectionSet
End Sub
Visual LISP:
(vl-load-com)
(defun c:Example_ActiveSelectionSet()
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
  
    ;; The following example returns the current selection set from the current drawing
    (setq sset (vla-get-ActiveSelectionSet doc))
)