NurbSurfaceIsPlanar Method

public bool IsPlanar(
        out Point3d ptOnSurface,
        out Vector3d normal
)

Public Function IsPlanar ( 
        <OutAttribute> ByRef ptOnSurface As Point3d,
        <OutAttribute> ByRef normal As Vector3d
) As Boolean

public:
bool IsPlanar(
        [OutAttribute] Point3d% ptOnSurface, 
        [OutAttribute] Vector3d% normal
)

member IsPlanar : 
        ptOnSurface : Point3d byref * 
        normal : Vector3d byref -> bool