ArcGIS Pro 2.9 API Reference Guide
UpdateOverlay(IDisposable,Geometry,CIMSymbolReference,Double,Double) Method

ArcGIS.Desktop.Mapping Namespace > MapTool Class > UpdateOverlay Method : UpdateOverlay(IDisposable,Geometry,CIMSymbolReference,Double,Double) Method
The IDisposable instance returned from an AddOverlay method call.
The geometry to be used for the update
The symbol to use for the update.
Map reference scale or -1
Visibility factor for showing the overlay through other objects when obscured in 3D.
Valid range is [0..1], any other value will be treated as 0 (not visible).
Updates an overlay graphic for a feature on the map view.
Syntax
Protected Overloads Function UpdateOverlay( _
   ByVal overlay As IDisposable, _
   ByVal geom As Geometry, _
   ByVal symbol As CIMSymbolReference, _
   ByVal referenceScale As Double, _
   ByVal showThrough As Double _
) As Boolean

Parameters

overlay
The IDisposable instance returned from an AddOverlay method call.
geom
The geometry to be used for the update
symbol
The symbol to use for the update.
referenceScale
Map reference scale or -1
showThrough
Visibility factor for showing the overlay through other objects when obscured in 3D.
Valid range is [0..1], any other value will be treated as 0 (not visible).

Return Value

True if the overlay was updated. False otherwise.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

See Also

Reference

MapTool Class
MapTool Members
Overload List