ClearSelection Method (GraphicsLayerExtensions)

In This Topic

Clears the current element selection within the GraphicsLayer collection. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public static void ClearSelection( 
   GraphicsLayer graphicsLayer
)

Public Shared Sub ClearSelection( _
   ByVal graphicsLayer As GraphicsLayer _
)

Parameters

graphicsLayer

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.

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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