
(*ProForeignCurveEvalFunction) | |
( ProName crv_class /* (In) The class */ wchar_t* data_val /* (In) The data passed from an element in the tree */ ProSelection csys /* (In) The coordinate system */ double curve_param /* (In) The normalized curve parameter */ ProVector xyz_point /* (Out) The resulting XYZ point */ ProVector deriv1 /* (Out) The first derivative */ ProVector deriv2 /* (Out) The second derivative */ ) |

The function successfully evaluated the curve. | |
One or more of the input arguments are invalid. |

