MapBubble Class

The class used to draw a Bubble chart on a map.

Assembly: DevExpress.Xpf.Map.v21.2.dll

Declaration

C#
VB.NET

public class MapBubble :
    MapChartItemBase,
    IMapChartItem,
    IMapChartDataItem,
    IMapValueDataItem,
    IMapDataItem,
    IKeyColorizerElement,
    IColorizerElement,
    IClusterItem,
    IClusterItemCore,
    IClusterable

Public Class MapBubble
    Inherits MapChartItemBase
    Implements IMapChartItem,
               IMapChartDataItem,
               IMapValueDataItem,
               IMapDataItem,
               IKeyColorizerElement,
               IColorizerElement,
               IClusterItem,
               IClusterItemCore,
               IClusterable

The following members return MapBubble objects:

Remarks

The following image shows two bubble charts with different values:

MapBubble_Example

Examples

This example shows how to manually add bubble charts to a map. To do this, assign the MapItemStorage object to the VectorLayer.Data property. Then, add manually created MapBubble objects to the MapItemStorage.Items collection of the storage.

Note that bubble sizes do not depending on the MapBubble.Value property values.

View Example

MainWindow.xaml

<dxm:MapItemStorage>
    <dxm:MapBubble Location="-30,-30" Size="20" 
                   ItemId="A" Value="100"/>
    <dxm:MapBubble Location="30,30" Size="60"
                   ItemId="B" Value="150"/>
</dxm:MapItemStorage>

See also the following example on how to generate map bubbles based on a data source: How to: Automatically Generate Bubble Chart Items from a Datasource.