ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.KnowledgeGraph Namespace / KnowledgeGraphLayerException Class
Members Example

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    KnowledgeGraphLayerException Class
    In This Topic
    Managed exception base class for custom ArcGIS.Desktop.Mapping.KnowledgeGraphLayer exceptions
    Syntax
    public sealed class KnowledgeGraphLayerException : KnowledgeGraphException, System.Runtime.Serialization.ISerializable  
    Public NotInheritable Class KnowledgeGraphLayerException 
       Inherits KnowledgeGraphException
       Implements System.Runtime.Serialization.ISerializable 
    Example
    Checking KnowledgeGraphLayerException
    // running on QueuedTask
    
    var dict = new Dictionary<string, List<long>>();
    dict.Add("person", new List<long>());  //Empty list means all records
    dict.Add("made_call", null);  //null list means all records
    
    // or specific records - however the ids are obtained
    dict.Add("phone_call", new List<long>() { 1, 5, 18, 36, 78 });
    
    // make the id set
    var idSet = KnowledgeGraphLayerIDSet.FromDictionary(kg, dict);
    
    try
    {
      //Create the link chart and show it
      var linkChart = MapFactory.Instance.CreateLinkChart(
                        "KG With ID Set", kg, idSet);
      FrameworkApplication.Panes.CreateMapPaneAsync(linkChart);
    }
    catch (KnowledgeGraphLayerException e)
    {
      // get the invalid named types
      //   remember that the named types are case-sensitive
      var invalidNamedTypes = e.InvalidNamedTypes;
    
      // do something with the invalid named types 
      // for example - log or return to caller to show message to user
    }
    
    Inheritance Hierarchy

    System.Object
       System.Exception
          ArcGIS.Desktop.KnowledgeGraph.KnowledgeGraphException
             ArcGIS.Desktop.KnowledgeGraph.KnowledgeGraphLayerException

    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3.3 or higher.
    See Also