SelectAllRootNodes Method

In This Topic

Selects the existing set of root nodes defined on the link chart mapview. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public static SelectionSet SelectAllRootNodes( 
   MapView mapView
)

Public Shared Function SelectAllRootNodes( _
   ByVal mapView As MapView _
) As SelectionSet

Parameters

mapView

Return Value

The set of root nodes as a SelectionSet

Exceptions

Exception	Description
System.ArgumentNullException	Map cannot be null.
System.ArgumentException	Map is not a link chart.
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.

Example

Select the records that are Root Node

await QueuedTask.Run(() =>
{
  var mapSel = MapView.Active.SelectAllRootNodes();


  // this is the same as 
  MapMemberIDSet rootNodes = MapView.Active.GetRootNodes();
  SelectionSet selSet = SelectionSet.FromMapMemberIDSet(rootNodes);
  MapView.Active.Map.SetSelection(selSet);
});

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.4 or higher.

Reference

KnowledgeGraphMappingExtensions Class
KnowledgeGraphMappingExtensions Members

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