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

RuleType Property (TopologyError)
Gets the type of topology rule being violated.
Syntax
public TopologyRuleType RuleType {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