API Reference > Classes > PRC Surface Classes > OdPrcRuledSurface Class > OdPrcRuledSurface Methods > firstCurve Method > OdPrcRuledSurface::firstCurve Method ()
OdPrcRuledSurface::firstCurve Method ()
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Syntax
C++
OdPrcCurvePtr & firstCurve();
Description

Returns the first curve of the surface. The first curve is returned as a reference to an OdPrcCurvePtr object, therefore it can be used to set a new first curve.

Group
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