Subscribe Method (RowChangedEvent)

In This Topic

Subscribes to RowChangedEvents that are published when a row changes. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

Visual Basic (Declaration)
C#

Public Shared Function Subscribe( _
   ByVal action As Action(Of RowChangedEventArgs), _
   ByVal table As Table, _
   Optional ByVal keepSubscriberAlive As Boolean _
) As SubscriptionToken

public static SubscriptionToken Subscribe( 
   Action<RowChangedEventArgs> action,
   Table table,
   bool keepSubscriberAlive
)

Parameters

action: A delegate that is executed when a RowChangedEvent is published.
table: The table to listen to.
keepSubscriberAlive: (optional) The type of reference used to maintain the delegate. false is a weak reference, true is a strong reference. (default value = false)

Return Value

A token that uniquely identifies the subscription.

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.

Example

Subscribe to Row Events

// Subscribes to row events for the currently selected feature layer in the active map view.
await QueuedTask.Run(() =>
{
  //Listen for row events on a layer
  var featLayer = MapView.Active.GetSelectedLayers()[0] as FeatureLayer;
  var layerTable = featLayer.GetTable();

  //subscribe to row events
  // row created event
  var rowCreateToken = RowCreatedEvent.Subscribe(rowChangedEventArgs => { }, layerTable);
  // row changed event
  var rowChangeToken = RowChangedEvent.Subscribe(rowChangedEventArgs => { }, layerTable);
  // row deleted event
  var rowDeleteToken = RowDeletedEvent.Subscribe(rowChangedEventArgs => { }, layerTable);
});

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.0 or higher.

Reference

RowChangedEvent Class
RowChangedEvent Members

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