RhinoCommon API
CurveExtendOnSurface Method (CurveEnd, Surface) | 
            Extends a curve on a surface.
            
Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll)
public Curve ExtendOnSurface( CurveEnd side, Surface surface )
Public Function ExtendOnSurface ( side As CurveEnd, surface As Surface ) As Curve
Parameters
- side
 - Type: Rhino.GeometryCurveEnd
The end of the curve to extend. - surface
 - Type: Rhino.GeometrySurface
Surface that contains the curve. 
Return Value
Type: CurveNew extended curve result on success, null on failure.