Identifies the drawings to which a given drawing is attached.
(ade_dwgsetof dwg_id)
Returns a list of drawing IDs (real) or nil.
| dwg_id | Drawing ID (real) |
You cannot use this function to check if a drawing is attached to the project drawing. Use ade_dwgistoplevel instead. If a drawing is attached to both the project drawing and to other drawings, this function returns a list of the IDs of the other drawings only.