ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data.Parcels Namespace / ParcelFabric Class / GetParcelTopology Method
Example Version

GetParcelTopology Method
Returns the topology for the parcel fabric. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public Topology GetParcelTopology()

Return Value

The ArcGIS.Core.Data.Topology that is used with this parcel fabric dataset.
Exceptions
ExceptionDescription
A geodatabase-related exception has occurred.
This method or property must be called within the lambda passed to QueuedTask.Run.
Example
Get parcel topology of parcel fabric dataset
string errorMessage = await QueuedTask.Run(() =>
{
  try
  {
    var myParcelFabricLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
    //if there is no fabric in the map then bail
    if (myParcelFabricLayer == null)
      return "There is no fabric in the map.";
    var myParcelFabricDataset = myParcelFabricLayer.GetParcelFabric();
    var myTopology = myParcelFabricDataset.GetParcelTopology();
  }
  catch (Exception ex)
  {
    return ex.Message;
  }
  return "";
});
if (!string.IsNullOrEmpty(errorMessage))
  MessageBox.Show(errorMessage, "Get Parcel Fabric Topology.");
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also