## siNurbsDirection

### Description

Types of nurbs direction parameters.

### C# Syntax

    siNurbsDirection.siUDirection                                               // 0

    siNurbsDirection.siVDirection                                               // 1

Constant | Value | Description
--- | --- | ---
siUDirection | 0 | Nurbs direction in U
siVDirection | 1 | Nurbs direction in V

### Applies To

ControlPointCollection.Dimension NurbsSurface.Knots CControlPointRefArray::Dimension NurbsSurface::GetKnots