ImageLayer Class

Displays map images obtained from the map image data provider.

Namespace: DevExpress.Xpf.Map

Assembly: DevExpress.Xpf.Map.v18.2.dll

Declaration

C#

public class ImageLayer :
    LayerBase

VB.NET

Public Class ImageLayer
    Inherits LayerBase

Example

This example demonstrates how to receive elevation data from the Bing Map Service.

To do this, request the required elevation information using the BingElevationDataProvider.RequestPointsElevations method.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-obtain-elevations-of-geographical-points-t378810.

MainWindow.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:BingElevationDataWpf"
        xmlns:dxm="http://schemas.devexpress.com/winfx/2008/xaml/map" x:Class="BingElevationDataWpf.MainWindow"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525" Loaded="OnLoaded">
    <Grid>

        <dxm:MapControl ZoomLevel="3" FontSize="7">
            <dxm:MapControl.CenterPoint>
                <dxm:GeoPoint Longitude="-100" Latitude="30"/>
            </dxm:MapControl.CenterPoint>
            <dxm:ImageLayer>
                <dxm:BingMapDataProvider BingKey="INSERT_YOUR_BING_KEY"/>
            </dxm:ImageLayer>
            <dxm:InformationLayer>
                <dxm:BingElevationDataProvider x:Name="provider" BingKey="INSERT_YOUR_BING_KEY"/>
            </dxm:InformationLayer>
        </dxm:MapControl>
    </Grid>
</Window>

MainWindow.xaml.vb

Imports DevExpress.Xpf.Map
Imports System.Collections.Generic
Imports System.Windows

Namespace BingElevationDataWpf
    ''' <summary>
    ''' Interaction logic for MainWindow.xaml
    ''' </summary>
    Partial Public Class MainWindow
        Inherits Window

        Public Sub New()
            InitializeComponent()
        End Sub
        Private Sub OnLoaded(ByVal sender As Object, ByVal e As RoutedEventArgs)
            Dim locations As New List(Of GeoPoint)() From { _
                New GeoPoint(41.145556, -73.995), _
                New GeoPoint(36.131389, -90.937222), _
                New GeoPoint(32.175, -80.136389) _
            }
            provider.RequestPointsElevations(locations)
        End Sub
    End Class
End Namespace

MainWindow.xaml.cs

using DevExpress.Xpf.Map;
using System.Collections.Generic;
using System.Windows;

namespace BingElevationDataWpf {
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window {
        public MainWindow() {
            InitializeComponent();
        }
        private void OnLoaded(object sender, RoutedEventArgs e) {
            List<GeoPoint> locations = new List<GeoPoint> {
                new GeoPoint(41.145556, -73.995),
                new GeoPoint(36.131389, -90.937222),
                new GeoPoint(32.175, -80.136389)
            };
            provider.RequestPointsElevations(locations);
        }
    }
}

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ImageLayer class.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-calculate-a-route-between-two-addresses-t380293/CS/CalculateRoutesByAddresses/MainWindow.xaml#L17

<dxm:MapControl x:Name="mapControl">
    <dxm:ImageLayer>
        <dxm:BingMapDataProvider BingKey="{Binding Source={StaticResource bingKey}}"/>

how-to-implement-a-custom-geocode-provider-t462583/CS/CustomGeocodeProvider/MainWindow.xaml#L13

<dxm:MapControl>
    <dxm:ImageLayer>
        <dxm:OpenStreetMapDataProvider/>

how-to-implement-a-custom-map-data-provider-e3680/CS/MainWindow.xaml#L8

<dxc:MapControl>
    <dxc:ImageLayer x:Name="imageLayer"/>
</dxc:MapControl>

how-to-obtain-elevations-of-geographical-points-t378810/CS/BingElevationDataWpf/MainWindow.xaml#L16

</dxm:MapControl.CenterPoint>
<dxm:ImageLayer>
    <dxm:BingMapDataProvider BingKey="INSERT_YOUR_BING_KEY"/>

how-to-obtain-an-available-wms-layer-collection-t365161/CS/WpfWmsExample/MainWindow.xaml#L15

IsManipulationEnabled="False">
<dxm:ImageLayer>
    <dxm:WmsDataProvider x:Name="Provider"

Inheritance

Show 11 items

Object

DispatcherObject

DependencyObject

Visual

UIElement

FrameworkElement

Control

MapElement

LayerBase

ImageLayer

ImageTilesLayer

Extension Methods

GetErrorOperationCommands(Position)

GetErrorOperationCommands(Int32)

GetErrorOperationCommands(Point)