LayerDrawingEventArgs¶

Namespace: ThinkGeo.Core

This is the event arguments class for the LayerDrawing event on the MapEngine class. It is raised before the layer is drawn.

public class LayerDrawingEventArgs : System.EventArgs

Inheritance Object → EventArgs → LayerDrawingEventArgs

Remarks:

This is the event arguments class for the LayerDrawing event on the MapEngine class. It is raised before the layer is drawn. This event allows you to cancel, manipulate the Layer, or draw something with the view before the Layer draws.

Properties¶

Cancel¶

This property gets and sets the value that indicates you want to cancel the layer from drawing.

public bool Cancel { get; set; }

Property Value¶

Boolean
This property gets the value that indicates you want to cancel the layer from drawing.

Remarks:

None

CurrentLayer¶

This property gets and sets current layer that will be drawn.

public Layer CurrentLayer { get; set; }

Property Value¶

Layer
This property gets current layer that will be drawn.

Remarks:

None

WorldExtent¶

This property gets and sets the world extent that will be drawn.

public RectangleShape WorldExtent { get; set; }

Property Value¶

RectangleShape
This property gets the world extent that will be drawn.

Remarks:

None

NativeImage¶

This property gets and sets the NativeImage or native image that we are drawing on.

public object NativeImage { get; set; }

Property Value¶

Object
This property gets the NativeImage or native image that we are drawing on.

Remarks:

None

Constructors¶

LayerDrawingEventArgs()¶

This is a constructor for the class.

public LayerDrawingEventArgs()

Remarks:

This is the default constructor. If you use this constructor, then you need to set the required properties manually.

LayerDrawingEventArgs(Layer, RectangleShape, Object)¶

This is a constructor for the class.

public LayerDrawingEventArgs(Layer currentLayer, RectangleShape worldExtent, object nativeImage)

Parameters¶

currentLayer Layer
This parameter is the layer you will be drawing.

worldExtent RectangleShape
This parameter is the world extent you are drawing.

nativeImage Object
This parameter is the NativeImage or native map image.

Remarks:

None