Ok, i was able to subscribe to all of my layers using the code below to subscribe and unsubscribe using the tokens. So i was able to catch when a new layer row was added, changed, or deleted. The only problem is that some of the attributes for my feature layer are required by user input so they are not able to be created (so I get bad syntax in request). Is there a way to set some attribute values before the row is actually created? Before in ArcObjects, we were in an edit session, so onCreateFeature, I would set these values, but now it creates the Row first and then it fails before my code gets hit. I need to set the values first, before the row gets added.
protected override bool Initialize()
{
ActiveMapViewChangedEvent.Subscribe(OnActiveMapViewChanged);
return base.Initialize();
}
protected override void Uninitialize()
{
ActiveMapViewChangedEvent.Unsubscribe(OnActiveMapViewChanged);
foreach (SubscriptionToken token in rowCreateTokens)
{
RowCreatedEvent.Unsubscribe(token);
}
foreach (SubscriptionToken token in rowChangeTokens)
{
RowChangedEvent.Unsubscribe(token);
}
foreach (SubscriptionToken token in rowDeleteTokens)
{
RowDeletedEvent.Unsubscribe(token);
}
base.Uninitialize();
}
#endregion Overrides
private async void OnActiveMapViewChanged(ActiveMapViewChangedEventArgs activeMapViewChangedEventArgs)
{
await subscribeToRowEvent();
}
private static List<SubscriptionToken> rowCreateTokens = new List<SubscriptionToken>();
private static List<SubscriptionToken> rowChangeTokens = new List<SubscriptionToken>();
private static List<SubscriptionToken> rowDeleteTokens = new List<SubscriptionToken>();
protected Task subscribeToRowEvent()
{
return QueuedTask.Run(() =>
{
if (MapView.Active != null && MapView.Active.Map != null)
{
var editLayers = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>();
if (editLayers.Count() == 0)
return;
foreach (var layer in editLayers)
{
//Listen for row events on a layer
var layerTable = layer.GetTable();
//subscribe to row events
SubscriptionToken rowCreateToken = RowCreatedEvent.Subscribe(onRowCreateEvent, layerTable);
SubscriptionToken rowChangeToken = RowChangedEvent.Subscribe(onRowChangeEvent, layerTable);
SubscriptionToken rowDeleteToken = RowDeletedEvent.Subscribe(onRowDeleteEvent, layerTable);
rowCreateTokens.Add(rowCreateToken);
rowChangeTokens.Add(rowChangeToken);
rowDeleteTokens.Add(rowDeleteToken);
}
}
});
}
protected void onRowCreateEvent(RowChangedEventArgs args)
{
Console.WriteLine("onRowCreateEvent " + args.EditType.ToString());
}
protected void onRowChangeEvent(RowChangedEventArgs args)
{
Console.WriteLine("onRowChangeEvent " + args.EditType.ToString());
}
protected void onRowDeleteEvent(RowChangedEventArgs args)
{
Console.WriteLine("onRowDeleteEvent " + args.EditType.ToString());
}
