Class DynamicLayer

Information layer which allows virtualization of the information items depends on the geographical location and zoom factor. In contrast to StaticLayer which process ALL items in collection this layer request items to process. It makes favor when thousands of items are available (pictures of POIs, for example). Customer application can select what pictures are suitable for given location and zoom factor and returns these ones only.

Inheritance
System.Object
MapLayer
InformationLayer
DynamicLayer
Inherited Members
Namespace: Telerik.Windows.Controls.Map
Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public class DynamicLayer : InformationLayer, ILayer

Constructors

DynamicLayer()

Initializes a new instance of the DynamicLayer class.

Declaration
public DynamicLayer()

Properties

DynamicSource

Gets or sets the DynamicSource property.

Declaration
public IMapDynamicSource DynamicSource { get; set; }
Property Value
IMapDynamicSource

ZoomGridList

Gets ZoomGrid collection.

Declaration
public ZoomGridListCollection ZoomGridList { get; }
Property Value
ZoomGridListCollection

Methods

OnItemsChanged(NotifyCollectionChangedEventArgs)

Called when the value of the Items property changes.

Declaration
protected override void OnItemsChanged(NotifyCollectionChangedEventArgs e)
Parameters
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

A NotifyCollectionChangedEventArgs that contains the event data.
Overrides

OnMapChanged(RadMap, RadMap)

Is called when map control is changed for this map layer.

Declaration
protected override void OnMapChanged(RadMap oldMap, RadMap newMap)
Parameters
RadMap oldMap

Old map control.
RadMap newMap

New map control.
Overrides

Refresh()

Clears items from the layer and re-requests items for regions in current location and zoom.

Declaration
public void Refresh()

Extension Methods