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.

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, Windows 8.1

Reference

RowChangedEvent Class
RowChangedEvent Members

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