ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data.Topology Namespace / TopologyError Class / DestinationClassName Property
Example Version

DestinationClassName Property (TopologyError)
Gets the feature class name of the destination feature that created the topology error. If it is not applicable, an empty string is returned.
Syntax
public string DestinationClassName {get;}
Example
GetTopologyErrors
// Get all the errors and exceptions currently associated with the topology.

IReadOnlyList<TopologyError> allErrorsAndExceptions = topology.GetErrors(new ErrorDescription(topology.GetExtent()));
Console.WriteLine($"errors and exceptions count => {allErrorsAndExceptions.Count}");
        
Console.WriteLine("OriginClassName \t OriginObjectID \t DestinationClassName \t DestinationObjectID \t RuleType \t IsException \t Shape type \t Shape width & height \t  Rule ID \t");

foreach (TopologyError error in allErrorsAndExceptions)
{
  Console.WriteLine($"'{error.OriginClassName}' \t {error.OriginObjectID} \t '{error.DestinationClassName}' \t " +
                    $"{error.DestinationObjectID} \t {error.RuleType} \t {error.IsException} \t {error.Shape.GeometryType} \t " +
                    $"{error.Shape.Extent.Width},{error.Shape.Extent.Height} \t {error.RuleID}");
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also