SelectAllRootNodes Method

In This Topic

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

Syntax

Visual Basic (Declaration)
C#

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

public static SelectionSet SelectAllRootNodes( 
   MapView mapView
)

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 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.4 or higher.

Reference

KnowledgeGraphMappingExtensions Class
KnowledgeGraphMappingExtensions Members

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