ArcObjects Library Reference (Editor)  

esriCurveDirectionType Constants

Options for the type of direction used to describe a non-tangent curve.

Constant Value Description
esriCDTChord 0 The direction is along the chord.
esriCDTRadial 1 The direction is radial, toward the center of the curve.
esriCDTTangent 2 The direction is along the tangent of the curve, toward the point of tangency.

Product Availability

Available with ArcGIS Desktop.