Sets or returns the lineweight constant of an entity or Group object. If you don't specify a lineweight, the current lineweight is used for a new entity. If a lineweight is specified for an entity, the current lineweight is ignored.
integerVariable = object.Lineweight
object.Lineweight = <constant>
integerVariable is a variable that defines the lineweight constant value.
object is the applicable entity or Group object.
constant is the value that specifies the object lineweight.