AUTOCAD VISUAL LISP macro

This routine checks if a PLINE or LINE is connected to the base point of selected block objects Workflow : The user will first select one or many blocks in autocad window The user will call the macro With the selection set , the lisp routine will check if each block has at least 1 PLINE or LINE object connected to the base point The output of the routine will : - Count the number of blocks that have no connected line or polyline to its base point - Create a selection set of all the blocks s that have no LINE OR PLINE connected to the base point Name of macro : MissingPLINE