The id of a Baluster family used to fill excess length, which is the extra space along the railing segment that cannot be filled with a pattern. If set to InvalidElementId, it will be the default - the id of the BaseRailingAttr containing the Baluster pattern.

public ElementId ExcessLengthFillBalusterId { get; set; }

Public Property ExcessLengthFillBalusterId As ElementId
	Get
	Set

public:
property ElementId^ ExcessLengthFillBalusterId {
	ElementId^ get ();
	void set (ElementId^ value);
}