Constructor FeatureLayer

FeatureLayer(FeatureTable)

Initializes a new instance of the FeatureLayer class from a given FeatureTable.

Declaration

public FeatureLayer(FeatureTable featureTable)

Parameters

Type	Name	Description
FeatureTable	featureTable	The feature table used as the data source of the feature layer.

Remarks

Any inherited FeatureTable type can be used as the input parameter for this constructor, except FeatureCollectionTable. To display features in a FeatureCollectionTable, use FeatureCollectionLayer.

Exceptions

Type	Condition
System.ArgumentNullException	featureTable

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.6
.NET	100.13 - 200.6
.NET Windows	100.13 - 200.6
.NET Android	200.0 - 200.6
.NET iOS	200.0 - 200.6
.NET Framework	100.0 - 200.6
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.6

Relevant samples

Create, delete, and update features: Add, delete, and update features (geometry and attributes) in a feature layer.

Browse WFS layers: Browse a WFS service for layers and add them to the map.

Change feature layer renderer: Change the appearance of a feature layer with a renderer.

FeatureLayer(Uri)

Initializes a new instance of the FeatureLayer class with a ServiceFeatureTable.

Declaration

public FeatureLayer(Uri featureServiceUri)

Parameters

Type	Name	Description
System.Uri	featureServiceUri	The feature service Uri.

Exceptions

Type	Condition
System.ArgumentNullException	featureServiceUri

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.6
.NET	100.13 - 200.6
.NET Windows	100.13 - 200.6
.NET Android	200.2 - 200.6
.NET iOS	200.0 - 200.6
.NET Framework	100.0 - 200.6
Xamarin.Android	100.0 - 100.14
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.6

Relevant samples

Change time extent: Filter data in layers by applying a time extent to a MapView.

Custom dictionary style: Use a custom dictionary style (.stylx) to symbolize features using a variety of attribute values.

Display layer view state: Determine if a layer is currently being viewed.

Feature layer time offset: Display a time-enabled feature layer with a time offset.

FeatureLayer(Item)

Initializes a new instance of the FeatureLayer class from a feature layer or feature service portal item.

Declaration

public FeatureLayer(Item item)

Parameters

Type	Name	Description
Item	item	A feature layer or feature service PortalItem.

Remarks

If the portal item is a feature service, the FeatureLayer will be created from the first layer on the service.

See Also

FeatureLayer(Item, Int64)

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.14 - 200.6
.NET	100.14 - 200.6
.NET Windows	100.14 - 200.6
.NET Android	200.0 - 200.6
.NET iOS	200.0 - 200.6
.NET Framework	100.14 - 200.6
Xamarin.Android	100.14 - 100.15
Xamarin.iOS	100.14 - 100.15
UWP	100.14 - 200.6

FeatureLayer(Item, Int64)

Initializes a new instance of the FeatureLayer class from a portal item of type FeatureService.

Declaration

public FeatureLayer(Item item, long layerId)

Parameters

Type	Name	Description
Item	item	A feature service PortalItem. The item's type must be FeatureService.
System.Int64	layerId	The layer id of an individual layer in the ArcGIS feature service represented by the item parameter.

Remarks

The feature layer will fail to load if an invalid portal item is passed in.

See Also

FeatureLayer(Item)

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.6
.NET	100.13 - 200.6
.NET Windows	100.13 - 200.6
.NET Android	200.0 - 200.6
.NET iOS	200.0 - 200.6
.NET Framework	100.0 - 200.6
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.6