private static bool IsReverseDirection(NXOpen.Features.OffsetCurveBuilder builder, Snap.NX.ICurve[] icurves, Position pos, Vector helpVector)
{
Position position;
Point3d pointd;
Vector3d vectord;
int index = -1;
double num2 = -1.0;
for (int i = 0; i < icurves.Length; i++)
{
double num4 = -1.0;
num4 = Compute.Distance(pos, (Snap.NX.NXObject)icurves[i]);
if (num4 > num2)
{
num2 = num4;
index = i;
}
}
if (icurves[index].ObjectType == ObjectTypes.Type.Edge)
{
position = Compute.ClosestPoints(pos, (Snap.NX.Edge)icurves[index]).Point2;
}
else
{
position = Compute.ClosestPoints(pos, (Snap.NX.Curve)icurves[index]).Point2;
}
builder.ComputeOffsetDirection(icurves[index].NXOpenICurve, (Point3d)position, out vectord, out pointd);
return((vectord * helpVector) < 0.0);
}