Public Shared Sub ClosestPointOnPolyline ( _
	points As PointD(), _
	offset As Integer, _
	numPoints As Integer, _
	pt As PointD, _
	<OutAttribute> ByRef closestPoint As PointD, _
	<OutAttribute> ByRef distance As Double, _
	<OutAttribute> ByRef segmentIndex As Integer, _
	<OutAttribute> ByRef tVal As Double _
)

public static void ClosestPointOnPolyline(
	PointD[] points,
	int offset,
	int numPoints,
	PointD pt,
	out PointD closestPoint,
	out double distance,
	out int segmentIndex,
	out double tVal
)

public:
static void ClosestPointOnPolyline(
	array<PointD>^ points, 
	int offset, 
	int numPoints, 
	PointD pt, 
	[OutAttribute] PointD% closestPoint, 
	[OutAttribute] double% distance, 
	[OutAttribute] int% segmentIndex, 
	[OutAttribute] double% tVal
)

EGIS.ShapeFileLib.GeometryAlgorithms.closestPointOnPolyline = function(points, offset, numPoints, pt, closestPoint, distance, segmentIndex, tVal);