API Reference > OdDg Classes > OdDgBSplineCurve2d Class > OdDgBSplineCurve2d Methods > TD_USING Method > OdDgBSplineCurve2d::TD_USING Method (OdDgCurveElement2d::getFirstDeriv)
OdDgBSplineCurve2d::TD_USING Method (OdDgCurveElement2d::getFirstDeriv)
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Syntax
C++
Description

This is TD_USING, a member of class OdDgBSplineCurve2d.

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