CurveGetFirstDerivative Method (Double)

public virtual Vector3d GetFirstDerivative(
        double value
)

Public Overridable Function GetFirstDerivative ( 
        value As Double
) As Vector3d

public:
virtual Vector3d GetFirstDerivative(
        double value
)

abstract GetFirstDerivative : 
        value : float -> Vector3d 
override GetFirstDerivative : 
        value : float -> Vector3d