AddOverlayAsync(Layer,Int64,CIMSymbolReference,Double) Method

Add an overlay graphic for a feature on the map view.

Syntax

C#
Visual Basic (Declaration)

protected Task<IDisposable> AddOverlayAsync( 
   Layer layer,
   long oid,
   CIMSymbolReference symbol,
   double referenceScale
)

Protected Overloads Function AddOverlayAsync( _
   ByVal layer As Layer, _
   ByVal oid As Long, _
   ByVal symbol As CIMSymbolReference, _
   ByVal referenceScale As Double _
) As Task(Of IDisposable)

Parameters

layer: The layer containing the feature.
oid: The ObjectID for the feature.
symbol: The symbol to use for the overlay.
referenceScale: Map reference scale or -1

Return Value

An object that when disposed will remove the overlay.

Remarks

When the tool is deactivated all overlay graphics will be removed.When the referenceScale is not equal to -1, the overlay will be created in real world units relative to the provided map reference scale (referenceScale). Otherwise, the overlay will be created in units of points. This is only supported in 2D.

Requirements

Target Platforms: Windows 10, Windows 8.1

Reference

MapTool Class
MapTool Members
Overload List