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Maplex anchor point options.
| Constant | Value | Description | 
|---|---|---|
| esriMaplexGeometricCenter | 0 | Identifies the geometric center of a feature. | 
| esriMaplexErodedCenter | 1 | Identifies the eroded center of a feature. | 
| esriMaplexPerimeter | 2 | Identifies the outline of a feature. | 
| esriMaplexUnclippedGeometricCenter | 3 | Identifies the unclipped geometric center of a feature. |