Object.ObjectId in properties

#1
Hi All,
I'm trying to get ObjectID in properties , for exalple : Line.ObjectID, but can see it.
https://www.progesoft.com/products/prog ... ct/members
In AuotCad , I can get ObjectID in properties
https://help.autodesk.com/view/OARX/202 ... 4DB223053F
Exactly, I want get ObjectID from Object and get Object from ObjectID.
So do we have anyway to do it ?
And I want download IntelliCAD developer reference, but can't find the link.
Thank you.