Change basemap

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Change a map's basemap. A basemap is beneath all layers on a Map and is used to provide visual reference for the operational layers.

Image of change basemap

Use case

Basemaps should be selected contextually. For example, in maritime applications, it would be more appropriate to use a basemap of the world's oceans as opposed to a basemap of the world's streets.

How to use the sample

Use the drop down menu to select the active basemap from the list of available basemaps.

How it works

Create an Map object.
Set the map to the MapView object.
Choose a new basemap type and set it on the map.

Relevant API

Basemap
Map
MapView

Sample Code

ChangeBasemap.xaml

ChangeBasemap.xaml.cs

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﻿<UserControl x:Class="ArcGISRuntime.WinUI.Samples.ChangeBasemap.ChangeBasemap"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:esriUI="using:Esri.ArcGISRuntime.UI.Controls">
    <Grid>
        <esriUI:MapView x:Name="MyMapView" />
        <Border Style="{StaticResource BorderStyle}">
            <StackPanel>
                <TextBlock Margin="0,0,0,5"
                           HorizontalAlignment="Center"
                           FontWeight="SemiBold"
                           Text="Select a basemap"
                           TextWrapping="Wrap" />
                <ComboBox x:Name="BasemapChooser"
                          HorizontalAlignment="Stretch"
                          SelectionChanged="OnBasemapListSelectionChanged" />
            </StackPanel>
        </Border>
    </Grid>
</UserControl>