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SimpleMarkerOverlay

Namespace: ThinkGeo.UI.Android

This class represents an overlay which maintaining markers.

public class SimpleMarkerOverlay : Overlay, System.IDisposable

Inheritance ObjectOverlayBaseOverlaySimpleMarkerOverlay
Implements IDisposable

Properties

Markers

A collection that holds all the marker objects adding in the overlay.

public GeoCollection<Marker> Markers { get; }

Property Value

GeoCollection<Marker>

OverlayView

Gets or sets the overlay view.

public MapLayout OverlayView { get; set; }

Property Value

MapLayout
The overlay view.

IsVisible

public bool IsVisible { get; set; }

Property Value

Boolean

Name

Gets or sets the name of this overaly.

public string Name { get; set; }

Property Value

String

DrawingExceptionMode

This property gets and sets the DrawingExceptionMode used when an exception occurs during drawing.

public DrawingExceptionMode DrawingExceptionMode { get; set; }

Property Value

DrawingExceptionMode
The drawing exception mode.

MapArguments

Gets or sets the map arguments.

public MapArguments MapArguments { get; set; }

Property Value

MapArguments
The map arguments.

Attribution

Gets or sets the attribution.

public string Attribution { get; set; }

Property Value

String
The attribution.

IsEmpty

Gets a value indicating whether this instance is empty.

public bool IsEmpty { get; }

Property Value

Boolean

Remarks:

This property enhances the performance of the overlay while drawing. If is true, we will skip drawing this overlay and continue drawing the next overlay.

DrawingQuality

Gets or sets the drawingQuality for this overlay.

public DrawingQuality DrawingQuality { get; set; }

Property Value

DrawingQuality

Opacity

Gets or sets the opacity for this overlay.

public double Opacity { get; set; }

Property Value

Double

Constructors

SimpleMarkerOverlay()

Initializes a new instance of the SimpleMarkerOverlay class.

public SimpleMarkerOverlay()

Methods

DrawCore(MapArguments, OverlayRefreshType)

This method creates markers in the provided world extent and places on the overlay.

protected void DrawCore(MapArguments mapArguments, OverlayRefreshType refreshType)

Parameters

mapArguments MapArguments
This parameter maintains current map information for calculating mechanism.

refreshType OverlayRefreshType
This parameter indicates if the elements in the overlay needs to be refreshed.

DrawAsyncCore(MapArguments, OverlayRefreshType)

This method creates markers in the provided world extent and places on the overlay.

protected Task DrawAsyncCore(MapArguments mapArguments, OverlayRefreshType refreshType)

Parameters

mapArguments MapArguments
This parameter maintains current map information for calculating mechanism.

refreshType OverlayRefreshType
This parameter indicates if the elements in the overlay needs to be refreshed.

Returns

Task

PostTransformCore(TransformArguments, MapArguments)

This protected virtual method is the Core method of PostTransform API.

protected void PostTransformCore(TransformArguments transformInfo, MapArguments mapArguments)

Parameters

transformInfo TransformArguments
This parameter maintains the transform information for calculating transform.

mapArguments MapArguments
This parameter maintains current map information for calculating mechanism.

Dispose(Boolean)

Releases unmanaged and - optionally - managed resources.

protected void Dispose(bool disposing)

Parameters

disposing Boolean
true to release both managed and unmanaged resources; false to release only unmanaged resources.

Events

DrawingException

Occurs before exception is drawing on map.

public event EventHandler<DrawingExceptionOverlayEventArgs> DrawingException;

DrawnException

Occurs after exception is drawn on map.

public event EventHandler<DrawnExceptionOverlayEventArgs> DrawnException;

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;