ArcGIS Pro 3.5 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / MappingExtensions Class / AddOverlay Method / AddOverlay(MapView,IEnumerable<CIMGraphic>,Double) Method
The view to add the overlay.
The graphics to be added to the overlay.
Map reference scale or -1

In This Topic
    AddOverlay(MapView,IEnumerable<CIMGraphic>,Double) Method
    In This Topic
    Add a set of overlay graphics to the map view.
    Syntax
    Public Overloads Shared Function AddOverlay( _
       ByVal mapView As MapView, _
       ByVal graphics As IEnumerable(Of CIMGraphic), _
       Optional ByVal referenceScale As Double _
    ) As IDisposable

    Parameters

    mapView
    The view to add the overlay.
    graphics
    The graphics to be added to the overlay.
    referenceScale
    Map reference scale or -1

    Return Value

    An object that when disposed will remove the overlay.
    Remarks
    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 11, Windows 10

    ArcGIS Pro version: 3.5 or higher.
    See Also