topic Is it possible to add an AttributedRelationshipClass Table to the map with esriDatasetType.esriDTRelationshipClass? in ArcGIS Pro SDK Questions

Is it possible to add an AttributedRelationshipClass Table to the map with esriDatasetType.esriDTRelationshipClass?

TimNagelkerke — Sun, 12 Dec 2021 10:18:22 GMT

ArcGIS Pro version: 2.5

I have created a filegeodatabase with 2 Feature Classes and 1 Relationship Class with a Table (AttributedRelationshipClass).

The AttributedRelationshipClass defines the link between those two featurelayers using GUIDs and a few properties for the relation.

I used the ArcGis Pro sdk (c#) to add the feature classes to the map:

var map = Project.Current.GetItems<MapProjectItem>().FirstOrDefault(e => e.Name == name);

var lyrDocFromLyrxFile = new LayerDocument(layerFile);
var cimLyrDoc = lyrDocFromLyrxFile.GetCIMLayerDocument();
var lcp = new LayerCreationParams(cimLyrDoc);
LayerFactory.Instance.CreateLayer<FeatureLayer>(lcp, map, LayerPosition.AutoArrange);‍‍‍‍‍‍‍

I tried to add the table with:

using (var table = geodatabase.OpenDataset<Table>(relationshipName))
{
StandaloneTableFactory.Instance.CreateStandaloneTable(table, map, table.GetName());
}‍‍‍‍‍‍‍‍

The datatype is then: esriDatasetType.esriDTTable.

This resulted in these warnings:

When I right click on the warning I get the option to add the table to the map. Then the table is added in the correct way with the datatype: esriDatasetType.esriDTRelationshipClass.

Is it possible to do this with the ArcGIS Pro .NET sdk?

Thanks,

Tim

Re: Is it possible to add an AttributedRelationshipClass Table to the map with esriDatasetType.esriDTRelationshipClass?

Maartenvan_Hulzen — Thu, 01 Oct 2020 14:01:17 GMT

Hi Tim,

While i can't find a way to make this relationship class work yet, there may be an alternative.

Instead of an attributed relationship class. create the table first and add 2 relationships with the other two featureclasses. and see if that works for you.

Gr,

Maarten

Re: Is it possible to add an AttributedRelationshipClass Table to the map with esriDatasetType.esriDTRelationshipClass?

TimNagelkerke — Fri, 02 Oct 2020 09:52:12 GMT

Hi Maarten van Hulzen ,

Thanks for the suggestion.

I added the table with the StandAloneTableFactory, which added the table to the map.

I tried adding the relationships with the "table.RelateTo()" method, but this only adds a virtual relationship and doesn't work for me. It states that this method is only used to create a Join object.

Do you have a code snippet to actually add a relationship?

Thanks,

Tim

Re: Is it possible to add an AttributedRelationshipClass Table to the map with esriDatasetType.esriDTRelationshipClass?

RichRuh — Sat, 03 Oct 2020 23:35:27 GMT

Tim,

I haven't found a way to do this via the Pro SDK. We'll try to add support for this in a future ArcGIS Pro release.

--Rich

Re: Is it possible to add an AttributedRelationshipClass Table to the map with esriDatasetType.esriDTRelationshipClass?

TimNagelkerke — Mon, 05 Oct 2020 06:58:11 GMT

Thanks for the reaction.

Tim