ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Core.Data.Topology Namespace / TopologyRule Class / OriginSubtype Property
Example

In This Topic
    OriginSubtype Property
    In This Topic
    Gets the ArcGIS.Core.Data.Subtype in the origin feature class to which this topology rule is assigned. If it is not applicable, null is returned.
    Syntax
    public Subtype OriginSubtype {get;}
    Public ReadOnly Property OriginSubtype As Subtype
    Example
    GetTopologyRules
    using (TopologyDefinition topologyDefinition = topology.GetDefinition())
    {
      IReadOnlyList<TopologyRule> rules = topologyDefinition.GetRules();
    
      Console.WriteLine($"There are {rules.Count} topology rules defined for the topology:");
      Console.WriteLine("ID \t Origin Class \t Origin Subtype \t Destination Class \t Destination Subtype \t Rule Type");
    
      foreach (TopologyRule rule in rules)
      {
        Console.Write($"{rule.ID}");
    
        Console.Write(!String.IsNullOrEmpty(rule.OriginClass) ? $"\t{rule.OriginClass}" : "\t\"\"");
    
        Console.Write(rule.OriginSubtype != null ? $"\t{rule.OriginSubtype.GetName()}" : "\t\"\"");
    
        Console.Write(!String.IsNullOrEmpty(rule.DestinationClass) ? $"\t{rule.DestinationClass}" : "\t\"\"");
    
        Console.Write(rule.DestinationSubtype != null ? $"\t{rule.DestinationSubtype.GetName()}" : "\t\"\"");
    
        Console.Write($"\t{rule.RuleType}");
    
        Console.WriteLine();
      }
    }
    
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also