The channel must be locked <define>DB_LOCK_READWRITE</define> This function simply sets a value in the line's metadata that is retrieved using the rLineBearing_DB function. It terminates for line categories other than <define>DB_CATEGORY_LINE_FLIGHT</define>.

public void SetLineBearing(
	int line,
	double bearing
)

Public Sub SetLineBearing ( 
	line As Integer,
	bearing As Double
)

public:
void SetLineBearing(
	int line, 
	double bearing
)

member SetLineBearing : 
        line : int * 
        bearing : float -> unit