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V24.1

BingTrafficIncidentDataProvider.RequestTrafficIncidents(SearchBoundingBox, BingTrafficIncidentSeverity, BingTrafficIncidentType) Method

Requests incidents for the specified region.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v24.1.dll

NuGet Package: DevExpress.Win.Map

Declaration

public void RequestTrafficIncidents(
    SearchBoundingBox boundingBox,
    BingTrafficIncidentSeverity severity,
    BingTrafficIncidentType type
)

Parameters

Name Type Description
boundingBox SearchBoundingBox

Limits the area for which traffic incidents are requested.

severity BingTrafficIncidentSeverity

Specifies the severity level of incidents.

type BingTrafficIncidentType

Specifies the type of incidents.

Example

How to: Display Traffic Incidents on the Map

The following code displays traffic incidents that occur in the specified area:

A map that displays traffic incidents.

using DevExpress.Map;
using DevExpress.XtraMap;
using System;
using System.Windows.Forms;

namespace TrafficIncidents {
    public partial class Form1 : Form {

        private void Form1_Load(object sender, EventArgs e) {
            // Create and configure a background layer.
            ImageLayer imageLayer = new ImageLayer();
            mapControl1.Layers.Add(imageLayer);
            BingMapDataProvider provider = new BingMapDataProvider();
            imageLayer.DataProvider = provider;
            provider.BingKey = "Insert your Bing Key.";
            provider.Kind = BingMapKind.RoadLight;

            // Create an information layer and add it to the map.
            InformationLayer infoLayer = new InformationLayer();
            mapControl1.Layers.Add(infoLayer);

            // Create and configure a BingTrafficIncidentDataProvider. Assign it to the information layer.
            BingTrafficIncidentDataProvider trafficIncidentDataProvider = new BingTrafficIncidentDataProvider();
            infoLayer.DataProvider = trafficIncidentDataProvider;
            trafficIncidentDataProvider.BingKey = "Insert your Bing Key.";
            BingTrafficIncidentSeverity incidentSeverity = BingTrafficIncidentSeverity.LowImpact | BingTrafficIncidentSeverity.Minor | BingTrafficIncidentSeverity.Moderate | BingTrafficIncidentSeverity.Serious;
            BingTrafficIncidentType incidentType = BingTrafficIncidentType.Accident | BingTrafficIncidentType.Construction | BingTrafficIncidentType.Miscellaneous;
            trafficIncidentDataProvider.RequestTrafficIncidents(new SearchBoundingBox( -115.338457, 36.268745, -114.988268, 36.1010376),
                                                                incidentSeverity,
                                                                incidentType);
            infoLayer.DataRequestCompleted += OnDataRequestCompleted;
        }
        private void OnDataRequestCompleted(object sender, RequestCompletedEventArgs e) {
            // Call the ZoomToFitLayerItems method to zoom the map so that it displays the obtained incidents.
            mapControl1.ZoomToFitLayerItems();
        }
    }
}
See Also