Display a web map.

Use case
For displaying web maps stored on ArcGIS Online.
How to use the sample
A web map can be selected from the drop-down list. On selection the web map displays in the map view.
How it works
- Create a
Portalfrom the ArcGIS URL http://www.arcgis.com. - Create a
PortalItemusing the Portal and the web map ID:new PortalItem(portal, ID). - Create a
Mapusing the portal item. - Set the map to the
MapView.
Relevant API
- Map
- MapView
- Portal
- PortalItem
About the data
The web maps accessed by this sample show Geology for United States and Recent Hurricanes, Cyclones and Typhoons.
Tags
portal item, web map
Sample Code
<UserControl x:Class="ArcGIS.WPF.Samples.OpenMapURL.OpenMapURL" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013">
<Grid> <esri:MapView x:Name="MyMapView" /> <Border Style="{StaticResource BorderStyle}"> <StackPanel> <TextBlock FontWeight="Bold" Text="Select a map." TextAlignment="Center" TextWrapping="Wrap" /> <ComboBox x:Name="MapsChooser" Margin="0,5,0,0" SelectionChanged="MapSelectionChanged" /> </StackPanel> </Border> </Grid></UserControl>// Copyright 2021 Esri.//// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific// language governing permissions and limitations under the License.
using Esri.ArcGISRuntime.Mapping;using System;
namespace ArcGIS.WPF.Samples.OpenMapURL{ [ArcGIS.Samples.Shared.Attributes.Sample( name: "Open map URL", category: "Map", description: "Display a web map.", instructions: "A web map can be selected from the drop-down list. On selection the web map displays in the map view.", tags: new[] { "portal item", "web map" })] public partial class OpenMapURL { // String array to hold urls to publicly available web maps. private string[] _itemURLs = { "https://arcgis.com/home/item.html?id=92ad152b9da94dee89b9e387dfe21acd", "https://arcgis.com/home/item.html?id=064f2e898b094a17b84e4a4cd5e5f549" };
// String array to store titles for the webmaps specified above. private string[] _titles = { "Geology for United States", "Recent Hurricanes, Cyclones and Typhoons" };
public OpenMapURL() { InitializeComponent(); Initialize(); }
private void Initialize() { // Set titles as a items source. MapsChooser.ItemsSource = _titles;
// Select the first option in the map titles. MapsChooser.SelectedIndex = 0;
// Create a new Map instance with url of the webmap that is displayed by default. MyMapView.Map = new Map(new Uri(_itemURLs[0])); }
private void MapSelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e) { // Create a new Map instance with url of the webmap that selected. MyMapView.Map = new Map(new Uri(_itemURLs[MapsChooser.SelectedIndex])); } }}