Hello, I have some questions that are related with this news group, maybe you can give me some answers to them. [b]1.- What difference is there between an object's having or not an owner?[/b] [b]2.- For a layer with code (70 . 48) What is the meaning of "table entry is externally dependent on an xref" and "the externally dependent xref has been successfully resolved" in a dwg with no xref's?[/b] [b]3.- How can I change the properties of a layer by LISP?[/b] [b]4.- What can I do when the watch window limit is exceeded?[/b]