VectorLayer.Data Property

Specifies the data source for the vector items layer.

Namespace: DevExpress.Xpf.Map

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

Declaration

C#

public MapDataAdapterBase Data { get; set; }

VB.NET

Public Property Data As MapDataAdapterBase

Property Value

Type	Description
MapDataAdapterBase	A MapDataAdapterBase class descendant object.

Example

To manually generate vector items do the following.

• Create a MapItemStorage object and assign it to the VectorLayer.Data property.
• Create several MapItem class descendant objects and add them to the MapItemStorage.Items collection.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-manually-generate-vector-items-t180231.

MainWindow.xaml

<dxm:VectorLayer.Data>
    <dxm:MapItemStorage>
        <dxm:MapItemStorage.Items>
            <dxm:MapDot Location="51.30, 0.07" Size="20" Fill="Wheat"/>
            <dxm:MapDot Location="52.31, 13.23" Size="20" Fill="Gold"/>
            <dxm:MapDot Location="48.51, 2.21" Size="20" Fill="CadetBlue"/>
            <dxm:MapDot Location="41.54, 12.3" Size="20" Fill="Red"/>
            <dxm:MapDot Location="40.23, -3.43" Size="20" Fill="Green"/>
        </dxm:MapItemStorage.Items>
    </dxm:MapItemStorage>
</dxm:VectorLayer.Data>

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the Data 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#

wpf-map-use-ray-casting-algorithm-to-check-if-point-is-inside-polygon/CS/DXMapShapeFile1/MainWindow.xaml#L8

<dxm:VectorLayer Name="vectorLayer" MouseDoubleClick="vLayer_MouseDoubleClick" EnableSelection="False"  >
    <dxm:VectorLayer.Data >
        <dxm:ShapefileDataAdapter  FileUri="DXMapShapeFile1;component/ShapeFile/Countries.shp" />

customize-appearance-of-generated-pie-chart-items-t183429/VB/Wpf_MapControl_PieChartDataAdapter/MainWindow.xaml#L52

<!--region #PieChartDataAdapter-->
<dxm:VectorLayer.Data>
    <dxm:PieChartDataAdapter DataSource="{Binding Source={StaticResource dataSource}, XPath=Table1}"

how-to-bind-a-map-control-to-a-datasource-e4679/VB/Wpf_MapControl_ListSourceDataAdapter/MainWindow.xaml#L39

<!--region #DataAdapter-->
<dxm:VectorLayer.Data>
    <dxm:ListSourceDataAdapter DataSource="{Binding Source={StaticResource data}, XPath=Ship}">

how-to-colorize-map-contours-loaded-from-shapefiles-using-the-graph-colorizer-e4719/VB/GraphColorizer/MainWindow.xaml#L24

<!--endregion #GraphColorizer-->
<dxm:VectorLayer.Data>
    <dxm:ShapefileDataAdapter FileUri="/GraphColorizer;component/Data/Countries.shp"/>

how-to-customize-the-appearance-of-a-map-shape-title-e4221/VB/WpfMapControl_ShapeTitleOptions/MainWindow.xaml#L34

<dxm:VectorLayer x:Name="vectorLayer">
    <dxm:VectorLayer.Data>
        <dxm:MapItemStorage>