<UserControl
x:Class="ArcGISRuntime.UWP.Samples.StyleWmsLayer.StyleWmsLayer"
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
Background="White" BorderBrush="Black" BorderThickness="1"
HorizontalAlignment="Right" VerticalAlignment="Top"
Margin="30" Width="375">
<Grid Margin="20">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<TextBlock Text="Choose a style"
Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2"
HorizontalTextAlignment="Center" />
<Button x:Name="FirstStyleButton"
Grid.Row="1" Grid.Column="0"
Content="Style 1" IsEnabled="False"
HorizontalAlignment="Stretch" Margin="0,0,10,0"
Click="FirstStyleButton_Clicked"/>
<Button x:Name="SecondStyleButton"
Grid.Row="1" Grid.Column="1"
Content="Style 2" IsEnabled="False"
HorizontalAlignment="Stretch" Margin="10,0,0,0"
Click="SecondStyleButton_Clicked"></Button>
</Grid>
</Border>
</Grid>
</UserControl>

Loading
Code
// Copyright 2018 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;
using System.Collections.Generic;
using System.Diagnostics;
using Windows.UI.Xaml;
namespace ArcGISRuntime.UWP.Samples.StyleWmsLayer
{
[ArcGISRuntime.Samples.Shared.Attributes.Sample(
"Style WMS layers",
"Layers",
"This sample demonstrates how to select from the available styles on WMS sublayers. ",
"Click to select from one of the two pre-set styles.")]
public partial class StyleWmsLayer
{
// Hold the URL to the service, which has satellite imagery covering the state of Minnesota.
private Uri _wmsUrl = new Uri("http://geoint.lmic.state.mn.us/cgi-bin/wms?VERSION=1.3.0&SERVICE=WMS&REQUEST=GetCapabilities");
// Hold a list of uniquely-identifying WMS layer names to display.
private List<String> _wmsLayerNames = new List<string> { "fsa2017" };
// Hold a reference to the layer to enable re-styling.
private WmsLayer _mnWmsLayer;
public StyleWmsLayer()
{
InitializeComponent();
// Execute initialization.
InitializeAsync();
}
private async void InitializeAsync()
{
try
{
// Apply an imagery basemap to the map.
Map myMap = new Map(Basemap.CreateImagery());
// Create a new WMS layer displaying the specified layers from the service.
// The default styles are chosen by default, which corresponds to 'Style 1' in the UI.
_mnWmsLayer = new WmsLayer(_wmsUrl, _wmsLayerNames);
// Wait for the layer to load.
await _mnWmsLayer.LoadAsync();
// Center the map on the layer's contents.
myMap.InitialViewpoint = new Viewpoint(_mnWmsLayer.FullExtent);
// Add the layer to the map.
myMap.OperationalLayers.Add(_mnWmsLayer);
// Add the map to the view.
MyMapView.Map = myMap;
// Enable the buttons.
FirstStyleButton.IsEnabled = true;
SecondStyleButton.IsEnabled = true;
}
catch (Exception ex)
{
// Any exceptions in the async void method must be caught, otherwise they will result in a crash.
Debug.WriteLine(ex.ToString());
}
}
private void FirstStyleButton_Clicked(object sender, RoutedEventArgs e)
{
// Get the available styles from the first sublayer.
IReadOnlyList<string> styles = _mnWmsLayer.Sublayers[0].SublayerInfo.Styles;
// Apply the first style to the first sublayer.
_mnWmsLayer.Sublayers[0].CurrentStyle = styles[0];
}
private void SecondStyleButton_Clicked(object sender, RoutedEventArgs e)
{
// Get the available styles from the first sublayer.
IReadOnlyList<string> styles = _mnWmsLayer.Sublayers[0].SublayerInfo.Styles;
// Apply the second style to the first sublayer.
_mnWmsLayer.Sublayers[0].CurrentStyle = styles[1];
}
}
}