A new database is created with a single, empty line L0, but many processes create databases then create their own lines, so the empty line L0 may remain after the process finishes. This function will delete a line L0 a) If it exists and is empty b) It is not the only line in the database.

public void DelLine0()

Public Sub DelLine0

public:
void DelLine0()

member DelLine0 : unit -> unit