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| ArcObjects namespaces > Carto > ESRI.ArcGIS.Carto > Constants > A > acGeometryType Constants (ArcObjects .NET 10.4 SDK) | 
ArcIMS geometry types.
| Constant | Value | Description | 
|---|---|---|
| acGeometryPoint | 0 | A zero dimensional geometry. | 
| acGeometryLine | 1 | A straight line segment between two points. | 
| acGeometryPolygon | 2 | A collection of rings ordered by their containment relationship. | 
| acGeometryNull | 3 | A geometry of unknown type. |