How to drilldown Map layers in WPF application?

MapLayers can be drilldown by using the following steps,

Step1: Create a Maps Sample and include the necessary script files

Step2: Maps enable drilldown by clicking on the map region.When Shape gets Selected, Using BaseMapIndex the initial layer loaded in map.

XAML

 <maps:SfMap EnableZoom="False" EnablePan="False" x:Name="map" ShowCoords="False">

 <maps:SfMap.Layers>

<maps:ShapeFileLayer MapPopupVisibility="Collapsed" Background="#FFF4F4F4"

ItemsSource="{Binding Models}" ShapeIDPath="Continent" ShapeIDTableField="Continent"

EnableSelection="True" Uri="SalesAnalysisDemo.ShapeFile.continent.shp" >

<maps:ShapeFileLayer.ItemsTemplate> <DataTemplate>

<StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center" IsHitTestVisible="False" >

                <TextBlock HorizontalAlignment="Center" Foreground="#FF333333" Text="{Binding Data.Continent}"/>

                <TextBlock HorizontalAlignment="Center" Foreground="#FF333333" Text="{Binding Data.DisplaySalesValue}"/>

                                </StackPanel>

                            </DataTemplate>

                        </maps:ShapeFileLayer.ItemsTemplate>

                    </maps:ShapeFileLayer>

  <maps:ShapeFileLayer MapItemsVisibility="Collapsed" ShapeIDPath="Country"

MapPopupVisibility="Visible" Background="#FFF4F4F4" ShapeIDTableField="Country"

PopupCustomTemplate="{StaticResource PopupKey}" ItemsSource="{Binding SalesByCountry}"

Uri="SalesAnalysisDemo.ShapeFile.Oceania.shp">

</maps:ShapeFileLayer>

C#

void Maps_ShapesSelected(object sender, SelectionEventArgs args)

        {

            SalesByContinet salesByContinent = ((args.Items as ObservableCollection<MapShape>)[0].DataContext as SalesByContinet);

            if (salesByContinent != null)

            {

                if (salesByContinent.Continent == "Africa")

                {

                    this.map.BaseMapIndex = 6;

                }

                else if (salesByContinent.Continent == "Oceania")

                {

                    this.map.BaseMapIndex = 1;

                }

          }

      }

The following screenshot shows the drilldown of maplayers

Conclusion

I hope you enjoyed learning about how to drilldown Map layers in WPF application.

You can refer to our WPF Map feature tour page to know about its other groundbreaking feature representations. You can also explore our WPF Map documentation to understand how to create and manipulate data.

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