ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / GraphicsLayerExtensions Class / UnSelectElements Method
The selected elements to unselect. If null then all elements are unselected
Example Version

UnSelectElements Method (GraphicsLayerExtensions)
Unselect the elements within the GraphicsLayer collection. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public static void UnSelectElements( 
   GraphicsLayer graphicsLayer,
   IEnumerable<Element> elements
)

Parameters

graphicsLayer
elements
The selected elements to unselect. If null then all elements are unselected
Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Remarks
The map view displaying the graphics layer should be initialized.
If a child of a group element is provided in the list of elements to be unselected in addition to its parent then the parent is the element unselected.
Example
Un-Select Graphic elements
var graphicsLayer = MapView.Active.Map.GetLayersAsFlattenedList()
                    .OfType<ArcGIS.Desktop.Mapping.GraphicsLayer>().FirstOrDefault();
if (graphicsLayer == null)
  return;
//unselect the first element in the currently selected elements
var elem = graphicsLayer.GetSelectedElements().FirstOrDefault();
QueuedTask.Run( () => {
  if (elem != null)
    //Unselect one element
    graphicsLayer.UnSelectElement(elem);

  //unselect all elements
  graphicsLayer.UnSelectElements();
  //equivalent to
  graphicsLayer.ClearSelection();
});
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also