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

C#
Visual Basic (Declaration)

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

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

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

protected void SubscribeRowEvent()
{
  QueuedTask.Run(() =>
  {
    //Listen for row events on a layer
    var featLayer = MapView.Active.GetSelectedLayers().First() as FeatureLayer;
    var layerTable = featLayer.GetTable();

    //subscribe to row events
    var rowCreateToken = RowCreatedEvent.Subscribe(OnRowCreated, layerTable);
    var rowChangeToken = RowChangedEvent.Subscribe(OnRowChanged, layerTable);
    var rowDeleteToken = RowDeletedEvent.Subscribe(OnRowDeleted, layerTable);
  });
}

protected void OnRowCreated(RowChangedEventArgs args)
{
}

protected void OnRowChanged(RowChangedEventArgs args)
{
}

protected void OnRowDeleted(RowChangedEventArgs args)
{
}

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

RowChangedEvent Class
RowChangedEvent Members

Send feedback