MiniMap.Layers Property

Returns the collection of MiniMapLayerBase class descendant objects.

Namespace: DevExpress.XtraMap

Assembly: DevExpress.XtraMap.v18.2.dll

Declaration

C#

public MiniMapLayerCollection Layers { get; }

VB.NET

Public ReadOnly Property Layers As MiniMapLayerCollection

Property Value

Type	Description
MiniMapLayerCollection	A MiniMapLayerCollection object, which stores MiniMapLayerBase class descendant objects.

Example

This example demonstrates how to customize mini map layers.

To do this, create the required MiniMapLayerBase class descendant objects, configure them and add them to the MiniMap.Layers collection.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-customize-mini-map-layers-t201418

Form1.cs

    mapControl.MiniMap = CreateMiniMap(data);
MiniMap CreateMiniMap(object data) {

    MiniMap miniMap = new MiniMap() {
        Height = 200,
        Width = 300,
        Behavior = new FixedMiniMapBehavior() {
            CenterPoint = new GeoPoint(-35, 140),
            ZoomLevel = 3
        }
    };

    MiniMapImageTilesLayer mapLayer = new MiniMapImageTilesLayer() {
        DataProvider = new BingMapDataProvider() {
            BingKey = bingKey,
            Kind = BingMapKind.Area
        }
    };

    MiniMapVectorItemsLayer vectorLayer = new MiniMapVectorItemsLayer();
    ListSourceDataAdapter adapter = new ListSourceDataAdapter();
    adapter.DataSource = data;
    adapter.Mappings.Latitude = "Latitude";
    adapter.Mappings.Longitude = "Longitude";
    adapter.DefaultMapItemType = MapItemType.Dot;
    adapter.PropertyMappings.Add(
        new MapDotSizeMapping() { DefaultValue = 10 }
    );
    vectorLayer.Data = adapter;
    vectorLayer.ItemStyle.Fill = Color.FromArgb(74, 212, 255);
    vectorLayer.ItemStyle.Stroke = Color.Gray;

    miniMap.Layers.Add(mapLayer);
    miniMap.Layers.Add(vectorLayer);
    return miniMap;
}

Form1.vb

    mapControl.MiniMap = CreateMiniMap(data)
Private Function CreateMiniMap(ByVal data As Object) As MiniMap

    Dim miniMap As New MiniMap() With { _
        .Height = 200, .Width = 300, .Behavior = New FixedMiniMapBehavior() With {.CenterPoint = New GeoPoint(-35, 140), .ZoomLevel = 3} _
    }

    Dim mapLayer As New MiniMapImageTilesLayer() With { _
        .DataProvider = New BingMapDataProvider() With {.BingKey = bingKey, .Kind = BingMapKind.Area} _
    }

    Dim vectorLayer As New MiniMapVectorItemsLayer()
    Dim adapter As New ListSourceDataAdapter()
    adapter.DataSource = data
    adapter.Mappings.Latitude = "Latitude"
    adapter.Mappings.Longitude = "Longitude"
    adapter.DefaultMapItemType = MapItemType.Dot
    adapter.PropertyMappings.Add(New MapDotSizeMapping() With {.DefaultValue = 10})
    vectorLayer.Data = adapter
    vectorLayer.ItemStyle.Fill = Color.FromArgb(74, 212, 255)
    vectorLayer.ItemStyle.Stroke = Color.Gray

    miniMap.Layers.Add(mapLayer)
    miniMap.Layers.Add(vectorLayer)
    Return miniMap
End Function