# IGeometry.h File Reference

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

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## Classes
class | FdoGeometryCollection
| Collection of CurvePolygon objects. More...
class | FdoIGeometry
| The FdoIGeometry class defines the properties and methods common to all geometric types. FdoIGeometry is an abstract type. More...