InformationLayer.DataProvider Property

Provides access to an object that obtains information data from online data providers.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v20.1.dll

Declaration

[DefaultValue(null)]
public InformationDataProviderBase DataProvider { get; set; }
<DefaultValue(Nothing)>
Public Property DataProvider As InformationDataProviderBase

Property Value

Type Default Description
InformationDataProviderBase

null

An InformationDataProviderBase class descendant that is a specific data provider.

Remarks

For more information, refer to Map Image Data.

Examples

This example demonstrates how to allow users to search for a specific place on a map using the Search panel.

To enable searching in the map control, do the following.

The Search panel appears automatically (since the BingSearchDataProvider.ShowSearchPanel property value is true by default).

NOTE

Refer to How to: Get a Bing Maps Key if you run the application and see a window with the following error message: "The specified Bing Maps key is invalid. To create a developer account, refer to https://www.microsoft.com/en-us/maps/create-a-bing-maps-key".

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

namespace ConnectBingSearchProvider {
    public partial class Form1 : Form {
        const string bingKey = "YOUR BING KEY HERE";

        InformationLayer SearchLayer { 
            get {
                return (InformationLayer)mapControl1.Layers["SearchLayer"];
            }
        }

        public Form1() {
            InitializeComponent();

            BingSearchDataProvider searchProvider = new BingSearchDataProvider() { 
                BingKey = bingKey 
            };

            searchProvider.SearchOptions.ResultsCount = 5;

            SearchLayer.DataProvider = searchProvider;
        }      
    }
}
See Also