Constructor Basemap

Basemap()

Initializes a new instance of the Basemap class. Layers need to be added to the basemap before it can be used.

Declaration

public Basemap()

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.2
.NET 6.0	100.13 - 200.2
.NET 6.0 Windows	100.13 - 200.2
.NET 6.0 Android	200.0 - 200.2
.NET 6.0 iOS	200.0 - 200.2
.NET Framework	100.0 - 200.2
.NET 5	100.10 - 100.12
.NET Core 3.1	100.7 - 100.12
Android	100.0 - 100.15
iOS	100.0 - 100.15
UWP	100.0 - 200.2

Basemap(Layer)

Initializes a new instance of the Basemap class with the specified layer.

Declaration

public Basemap(Layer baseLayer)

Parameters

Type	Name	Description
Layer	baseLayer	The base layer to add to the BaseLayers collection.

Exceptions

Type	Condition
ArgumentNullException

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.2
.NET 6.0	100.13 - 200.2
.NET 6.0 Windows	100.13 - 200.2
.NET 6.0 Android	200.0 - 200.2
.NET 6.0 iOS	200.0 - 200.2
.NET Framework	100.0 - 200.2
.NET 5	100.10 - 100.12
.NET Core 3.1	100.7 - 100.12
Android	100.0 - 100.15
iOS	100.0 - 100.15
UWP	100.0 - 200.2

Relevant samples

Edit and sync features: Synchronize offline edits with a feature service.

Export tiles: Download tiles to a local tile cache file stored on the device.

Generate geodatabase: Generate a local geodatabase from an online feature service.

Basemap(IEnumerable<Layer>, IEnumerable<Layer>)

Initializes a new instance of the Basemap class with a set of base and reference layers.

Declaration

public Basemap(IEnumerable<Layer> baseLayers, IEnumerable<Layer> referencelayers = null)

Parameters

Type	Name	Description
IEnumerable<Layer>	baseLayers	The base layers to add to the BaseLayers collection.
IEnumerable<Layer>	referencelayers	The reference layers to add to the ReferenceLayers collection.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.2
.NET 6.0	100.13 - 200.2
.NET 6.0 Windows	100.13 - 200.2
.NET 6.0 Android	200.2
.NET 6.0 iOS	200.0 - 200.2
.NET Framework	100.0 - 200.2
.NET 5	100.10 - 100.12
.NET Core 3.1	100.7 - 100.12
Android	100.0 - 100.14
iOS	100.0 - 100.15
UWP	100.0 - 200.2

Basemap(Uri)

Initializes a new instance of the Basemap class with a Uri to a portal item which is a web base map.

Declaration

public Basemap(Uri uri)

Parameters

Type	Name	Description
Uri	uri	The base map URI, commonly the that of a web map portal item.

Remarks

The uri parameter may be a direct Uri to web map JSON content or the Uri of a portal item. Examples of supported portal item Uri values:

• http://www.arcgis.com/home/item.html?id=<web_map_id>
• http://www.arcgis.com/home/webmap/viewer.html?webmap=<web_map_id>
• http://www.arcgis.com/sharing/rest/content/items/<web_map_id>/data

If the specified URI is a portal item URL (see PortalItem(String, ArcGISPortal) for the supported URL formats), the underlying PortalItem will be created and accessible through Item.

See Also

PortalItem

PortalItem(String, ArcGISPortal)

Item

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.2
.NET 6.0	100.13 - 200.2
.NET 6.0 Windows	100.13 - 200.2
.NET 6.0 Android	200.2
.NET 6.0 iOS	200.0 - 200.2
.NET Framework	100.0 - 200.2
.NET 5	100.10 - 100.12
.NET Core 3.1	100.7 - 100.12
Android	100.0 - 100.14
iOS	100.0 - 100.15
UWP	100.0 - 200.2

Relevant samples

Perform valve isolation trace: Run a filtered trace to locate operable features that will isolate an area from the flow of network resources.

Trace utility network: Discover connected features in a utility network using connected, subnetwork, upstream, and downstream traces.

Basemap(Item)

Initializes a new instance of the Basemap class with a portal item of type WebMap.

Declaration

public Basemap(Item item)

Parameters

Type	Name	Description
Item	item	A web map PortalItem.

Remarks

The PortalItem automatically loads when the base map loads. If the loaded Item is not a portal item of type WebMap, the basemap fails to load.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.2
.NET 6.0	100.13 - 200.2
.NET 6.0 Windows	100.13 - 200.2
.NET 6.0 Android	200.0 - 200.2
.NET 6.0 iOS	200.0 - 200.2
.NET Framework	100.0 - 200.2
.NET 5	100.10 - 100.12
.NET Core 3.1	100.7 - 100.12
Android	100.0 - 100.15
iOS	100.0 - 100.15
UWP	100.0 - 200.2

Basemap(BasemapStyle)

Initializes a new instance of the Basemap class with a BasemapStyle. These basemaps are secured and access requires either an API key or a named user.

Declaration

public Basemap(BasemapStyle style)

Parameters

Type	Name	Description
BasemapStyle	style	The basemap style.

Remarks

These basemaps are secured and access requires either an ApiKey or a named user.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.10 - 200.2
.NET 6.0	100.13 - 200.2
.NET 6.0 Windows	100.13 - 200.2
.NET 6.0 Android	200.0 - 200.2
.NET 6.0 iOS	200.0 - 200.2
.NET Framework	100.10 - 200.2
.NET 5	100.10 - 100.12
.NET Core 3.1	100.10 - 100.12
Android	100.10 - 100.15
iOS	100.10 - 100.15
UWP	100.10 - 200.2