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| ArcObjects Help for .NET developers > ArcObjects namespaces > DataSourcesFile > ESRI.ArcGIS.DataSourcesFile > Interfaces > IG > IGPLayer Interface (ArcObjects .NET 10.5 SDK) | 
Provides access to the GP Layer Type.
| Description | ||
|---|---|---|
|  | AreaOfInterest | The default area of interest for the layer. | 
|  | DataElement | The data element of the layer. | 
|  | NameString | The name string. | 
|  | SetAOICoords | The set Extent of the feature layer. | 
| CoClasses and Classes | Description | 
|---|---|
| GPCadastralFabricLayer (esriGeoprocessing) | Geoprocessing Cadastral Fabric Layer Value. | 
| GPCompositeLayer (esriGeoprocessing) | Geoprocessing Composite Layer Value. | 
| GPFeatureLayer (esriGeoprocessing) | Geoprocessing value object containing a feature layer value. | 
| GPGALayer (esriGeoStatisticalAnalyst) | Geoprocessing Geostatistical Layer object. | 
| GPGroupLayer (esriGeoprocessing) | Geoprocessing Group Layer value. | 
| GPLasDatasetLayer (esriGeoprocessing) | Geoprocessing value object containing a LAS dataset layer value. | 
| GPLayer (esriGeoprocessing) | Geoprocessing value object containing a layer value. | 
| GPMosaicLayer (esriGeoprocessing) | Geoprocessing Mosaic Layer Value. | 
| GPNALayer (esriNetworkAnalyst) | Geoprocessing network analyst layer value. | 
| GPNetworkDatasetLayer (esriGeoprocessing) | Network Dataset Layer object. | 
| GPRasterCatalogLayer (esriGeoprocessing) | Geoprocessing value object containing a raster catalog value. | 
| GPRasterLayer (esriGeoprocessing) | Geoprocessing value object containing a raster layer value. | 
| GPTerrainLayer (esriGeoprocessing) | Geoprocessing value object containing a terrain layer value. | 
| GPTinLayer (esriGeoprocessing) | Geoprocessing value object containing a tin layer value. | 
| GPTopologyLayer (esriGeoprocessing) | Geoprocessing value object containing a topology layer value. |