# ICurveSegmentAbstract.h File Reference

`#include <FdoCommon.h>`
`#include <Common/Collection.h>`
`#include <Geometry/IDirectPosition.h>`
`#include <Geometry/IEnvelope.h>`
`#include <Common/GeometryType.h>`
`#include <Common/Dimensionality.h>`

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## Classes
class | FdoCurveSegmentCollection
| The FdoCurveSegmentCollection class is a collection of CurveSegment objects. More...
class | FdoICurveSegmentAbstract
| The FdoICurveSegmentAbstract class is an abstract geometric Curve Segment object. This class is used strictly as a component of curves and, thus, does not inherit from IGeometry. More...