SearchBoundingBox.NorthLatitude Property

Returns the value of the north latitude of the SearchBoundingBox.

Namespace: DevExpress.Xpf.Map

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

Declaration

C#

public double NorthLatitude { get; set; }

VB.NET

Public Property NorthLatitude As Double

Property Value

Type	Description
Double	A Double value specifying the north latitude expressed in degrees.

Remarks

This value can be specified in the range from -90 to 90 degrees.

Example

To send a route request, use the BingRouteDataProvider.CalculateRoute method. This method receives a list of RouteWaypoint objects as a parameter. Note that RouteWaypoint objects are created using the constructor that receives the waypoint description and a keyword that is used to search for a location on a map.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-calculate-a-route-between-two-addresses-t380293.

MainWindow.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:sys="clr-namespace:System;assembly=mscorlib"
        xmlns:local="clr-namespace:CalculateRoutesByAddresses"
        xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
        xmlns:dxm="http://schemas.devexpress.com/winfx/2008/xaml/map" 
        x:Class="CalculateRoutesByAddresses.MainWindow"
        Title="MainWindow" Height="360" Width="640"
        dx:ThemeManager.ThemeName="Office2016White"
        Loaded="OnLoaded">
    <Window.Resources>
        <sys:String x:Key="bingKey">Your Bing Key</sys:String>
    </Window.Resources>
    <Grid>
        <dxm:MapControl x:Name="mapControl">
            <dxm:ImageLayer>
                <dxm:BingMapDataProvider BingKey="{Binding Source={StaticResource bingKey}}"/>
            </dxm:ImageLayer>
            <dxm:InformationLayer>
                <dxm:BingRouteDataProvider x:Name="routeProvider"
                                           RouteCalculated="OnRouteCalculated"
                                           BingKey="{Binding Source={StaticResource bingKey}}"/>
            </dxm:InformationLayer>
        </dxm:MapControl>
        <dx:WaitIndicator x:Name="waitIndicator"
                          DeferedVisibility="True" 
                          Content="Calculating route...">
        </dx:WaitIndicator>
    </Grid>
</Window>

MainWindow.xaml.vb

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

Namespace CalculateRoutesByAddresses
    Partial Public Class MainWindow
        Inherits Window

        Public Sub New()
            InitializeComponent()
        End Sub

        Private Sub OnLoaded(ByVal sender As Object, ByVal e As RoutedEventArgs)
            routeProvider.CalculateRoute(New List(Of RouteWaypoint) From { _
                New RouteWaypoint("New York", "Belmont Park, New York, USA"), _
                New RouteWaypoint("Las Vegas", "Lorenzi Park, Las Vegas, USA") _
            })
        End Sub

        Private Sub OnRouteCalculated(ByVal sender As Object, ByVal e As BingRouteCalculatedEventArgs)
            Dim box As SearchBoundingBox = e.CalculationResult.RouteResults(0).BoundingBox
            Dim topLeft As GeoPoint = New GeoPoint With {.Latitude = box.NorthLatitude, .Longitude = box.WestLongitude}
            Dim bottomRight As GeoPoint = New GeoPoint With {.Latitude = box.SouthLatitude, .Longitude = box.EastLongitude}
            mapControl.ZoomToRegion(topLeft, bottomRight, 0.4)
            waitIndicator.DeferedVisibility = False
        End Sub
    End Class
End Namespace

MainWindow.xaml.cs

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

namespace CalculateRoutesByAddresses {
    public partial class MainWindow : Window {
        public MainWindow() {
            InitializeComponent();
        }

        private void OnLoaded(object sender, RoutedEventArgs e) {
            routeProvider.CalculateRoute(new List<RouteWaypoint> {
                new RouteWaypoint("New York", "Belmont Park, New York, USA"),
                new RouteWaypoint("Las Vegas", "Lorenzi Park, Las Vegas, USA")
            });
        }

        private void OnRouteCalculated(object sender, BingRouteCalculatedEventArgs e) {
            SearchBoundingBox box = e.CalculationResult.RouteResults[0].BoundingBox;
            GeoPoint topLeft = new GeoPoint {
                Latitude = box.NorthLatitude,
                Longitude = box.WestLongitude
            };
            GeoPoint bottomRight = new GeoPoint {
                Latitude = box.SouthLatitude,
                Longitude = box.EastLongitude
            };
            mapControl.ZoomToRegion(topLeft, bottomRight, 0.4);
            waitIndicator.DeferedVisibility = false;
        }
    }
}

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the NorthLatitude property.

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.cs#L21

GeoPoint topLeft = new GeoPoint {
    Latitude = box.NorthLatitude,
    Longitude = box.WestLongitude

VB.NET

how-to-calculate-a-route-between-two-addresses-t380293/VB/CalculateRoutesByAddresses/MainWindow.xaml.vb#L22

Dim box As SearchBoundingBox = e.CalculationResult.RouteResults(0).BoundingBox
Dim topLeft As GeoPoint = New GeoPoint With {.Latitude = box.NorthLatitude, .Longitude = box.WestLongitude}
Dim bottomRight As GeoPoint = New GeoPoint With {.Latitude = box.SouthLatitude, .Longitude = box.EastLongitude}