Function IEvaluate2( _
   ByVal Parameter As System.Double, _
   ByVal NumberOfDerivatives As System.Integer _
) As System.Double

Dim instance As IEdge
Dim Parameter As System.Double
Dim NumberOfDerivatives As System.Integer
Dim value As System.Double
 
value = instance.IEvaluate2(Parameter, NumberOfDerivatives)

System.double IEvaluate2( 
   System.double Parameter,
   System.int NumberOfDerivatives
)

System.double IEvaluate2( 
&   System.double Parameter,
&   System.int NumberOfDerivatives
) 

Parameters

Parameter

Curve parameter U value (see Remarks)

NumberOfDerivatives

Number of derivatives (see Remarks)

Return Value

Use IEdge::IGetCurveParams2 to determine the valid range of U parameter values for Parameter.

The returned array contains ((NumberOfDerivatives + 1) * 3) + 1 doubles:

[evaluated_point], [evaluated_derivative_1],...[evaluated_derivative_NumberOfDerivatives, [status_code]

where status_code is a packed double. After unpacking status_code into two longs, the lower long value is 1 for success or 0 for error. See the Example in IEdge::Evaluate2. 

For a curve of type swCurveTypes_e::TRIMMED_TYPE, the number of derivatives is determined by the base curve as obtained from ICurve::GetBaseCurve.