UnSelectElements Method (GraphicsLayerExtensions)

In This Topic

Unselect the elements within the GraphicsLayer collection. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public static void UnSelectElements( 
   GraphicsLayer graphicsLayer,
   IEnumerable<Element> elements
)

Public Shared Sub UnSelectElements( _
   ByVal graphicsLayer As GraphicsLayer, _
   Optional ByVal elements As IEnumerable(Of Element) _
)

Parameters

graphicsLayer
elements: The selected elements to unselect. If null then all elements are unselected

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	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, Windows 8.1

Reference

GraphicsLayerExtensions Class
GraphicsLayerExtensions Members

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