How to: Manually Generate Vector Items from WKT

• Jun 07, 2019

To manually provide vector items from the Well-Known Text, do the following.

• Create a SqlGeometryItemStorage object and assign it to the VectorLayer.Data property.
• Add SqlGeometryItem objects with the specified SqlGeometryItem.WktString property to the SqlGeometryItemStorage.Items collection.

MainWindow.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dxm="http://schemas.devexpress.com/winfx/2008/xaml/map" 
        x:Class="SqlGeometryItemStorageExample.MainWindow"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <dxm:MapControl CenterPoint="50,15" ZoomLevel="3">
            <dxm:ImageTilesLayer>
                <dxm:BingMapDataProvider BingKey="Your Bing Key"/>
            </dxm:ImageTilesLayer>
            <dxm:VectorLayer>
                <dxm:SqlGeometryItemStorage>
                    <dxm:SqlGeometryItemStorage.Items>
                        <dxm:SqlGeometryItem WktString="POINT(-0.1275 51.507222 0 25)" Srid="0"/>
                        <dxm:SqlGeometryItem WktString="POINT(12.5 41.9 0 25)" Srid="1"/>
                        <dxm:SqlGeometryItem WktString="POINT(2.3508 48.8567 0 25)" Srid="2"/>
                        <dxm:SqlGeometryItem WktString="POINT(13.38 52.52 0 25)" Srid="3"/>
                        <dxm:SqlGeometryItem WktString="POINT(-3.68 40.4 0 25)" Srid="4"/>
                    </dxm:SqlGeometryItemStorage.Items>
                </dxm:SqlGeometryItemStorage>
            </dxm:VectorLayer>
        </dxm:MapControl>
    </Grid>
</Window>