LayerOverlay¶

Namespace: ThinkGeo.UI.WebApi

A collection of layer and provides some methods, properties and events for drawing. Implements the Overlay

public class LayerOverlay : Overlay

Inheritance Object → Overlay → LayerOverlay

Properties¶

Layers¶

Gets the layers.

public GeoCollection<Layer> Layers { get; }

Property Value¶

GeoCollection<Layer>
A collection of layer.

TileCache¶

Gets or sets the tile cache.

public RasterTileCache TileCache { get; set; }

Property Value¶

RasterTileCache
The tile cache.

TileWidth¶

Gets or sets the width of the tile.

public int TileWidth { get; set; }

Property Value¶

Int32
The width of the tile.

TileHeight¶

Gets or sets the height of the tile.

public int TileHeight { get; set; }

Property Value¶

Int32
The height of the tile.

Id¶

Gets the ID.

public string Id { get; }

Property Value¶

String
The ID.

IsVisible¶

Gets or sets a value indicating whether this overlay is visible.

public bool IsVisible { get; set; }

Property Value¶

Boolean
true if this overlay is visible; otherwise, false.

DrawingExceptionMode¶

Gets or sets the drawing exception mode.

public DrawingExceptionMode DrawingExceptionMode { get; set; }

Property Value¶

DrawingExceptionMode
The drawing exception mode.

Constructors¶

LayerOverlay()¶

Initializes a new instance of the LayerOverlay class.

public LayerOverlay()

LayerOverlay(String)¶

Initializes a new instance of the LayerOverlay class.

public LayerOverlay(string id)

Parameters¶

id String
The identifier.

LayerOverlay(IEnumerable<Layer>)¶

Initializes a new instance of the LayerOverlay class.

public LayerOverlay(IEnumerable<Layer> layers)

Parameters¶

layers IEnumerable<Layer>
A collection of layer to be drawn.

LayerOverlay(String, IEnumerable<Layer>)¶

Initializes a new instance of the LayerOverlay class.

public LayerOverlay(string id, IEnumerable<Layer> layers)

Parameters¶

id String
The identifier.

layers IEnumerable<Layer>
A collection of layer to be drawn.

Methods¶

DrawCore(GeoCanvas)¶

protected void DrawCore(GeoCanvas geoCanvas)

Parameters¶

geoCanvas GeoCanvas

OnDrawingLayer(DrawingLayerOverlayEventArgs)¶

Called when the event occurs.

protected void OnDrawingLayer(DrawingLayerOverlayEventArgs e)

Parameters¶

e DrawingLayerOverlayEventArgs
The instance containing the event data.

OnDrawnLayer(DrawnLayerOverlayEventArgs)¶

Called when the event occurs.

protected void OnDrawnLayer(DrawnLayerOverlayEventArgs e)

Parameters¶

e DrawnLayerOverlayEventArgs
The instance containing the event data.

Events¶

DrawingLayer¶

Raises before the layer from collection is drawing.

public event EventHandler<DrawingLayerOverlayEventArgs> DrawingLayer;

DrawnLayer¶

Raises after the layer from collection is drawn.

public event EventHandler<DrawnLayerOverlayEventArgs> DrawnLayer;

Drawing¶

This event raises before the overlay is drawing.

public event EventHandler<DrawingOverlayEventArgs> Drawing;

Drawn¶

This event raises after the overlay is drawn.

public event EventHandler<DrawnOverlayEventArgs> Drawn;