public bool UpdateOverlay( 
   IDisposable disposable,
   Geometry geometry,
   CIMSymbolReference symbol,
   double referenceScale,
   double showThrough
)

Public Overloads Function UpdateOverlay( _
   ByVal disposable As IDisposable, _
   ByVal geometry As Geometry, _
   ByVal symbol As CIMSymbolReference, _
   ByVal referenceScale As Double, _
   ByVal showThrough As Double _
) As Boolean

Parameters

disposable

The IDisposable instance returned from an AddOverlay method call.

geometry

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

Target Platforms: Windows 11, Windows 10

Reference

MapControl Class
MapControl Members
Overload List