Using static NamedPipeClient? PipeClient { get; set; } in Vector3DebuggerVisualizerProvider works.

new VisualizerTargetType("Frame Array Visualizer", "Num.Roto.Visualization.Math.Geometry.Frame[]

Vector3VisualizerSource/Vector3Model.cs

@@ -1,12 +1,13 @@
-using System.Runtime.Serialization;
+using System.Numerics;
+using System.Runtime.Serialization;
 namespace Vector3VisualizerSource;
 
 [DataContract]
 public class Vector3Model
 {
     [DataMember]
-    public string Vector3 { get; set; } = "Null";
+    public Vector3? Vector3 { get; set; }
     [DataMember]
-    public string Quaternion { get; set; } = "Null";
+    public Quaternion? Quaternion { get; set;}
 }
 

Vector3VisualizerSource/Vector3ObjectSource.cs

@@ -1,42 +1,35 @@
 using Microsoft.VisualStudio.DebuggerVisualizers;
 using NamedPipes;
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Numerics;
-
 namespace Vector3VisualizerSource;
 
 public class Vector3ObjectSource : VisualizerObjectSource
 {
-    private static NamedPipeClient? PipeClient { get; set; }
-    private static void Send(Vector3Model vector3Model)
-    {
-        PipeClient  ??= new NamedPipeClient("testPipe");
-        PipeClient.SetMessageAsync($"Hello from {nameof(Vector3ObjectSource)}").GetAwaiter().GetResult();
-    }
     public Vector3ObjectSource()
     {
         Debug.WriteLine("new Vector3ObjectSource");
     }
     public override void GetData(object target, Stream outgoingData)
     {
+        Debug.WriteLine("GetData: objectType is: " + target.GetType().FullName);
         Vector3Model vector3Model = new();
         switch (target)
         {
             case Vector3 vector3:
-                vector3Model.Vector3 = vector3.ToString();
+                vector3Model.Vector3 = vector3;
                 break;
             case IEnumerable<Vector3> vector3List:
-                vector3Model.Vector3 = vector3List.Last().ToString();
+                vector3Model.Vector3 = vector3List.Last();
                 break;
             case Quaternion quaternion:
-                vector3Model.Quaternion = quaternion.ToString();
+                vector3Model.Quaternion = quaternion;
                 break;
         }
-
-        Send(vector3Model);
         SerializeAsJson(outgoingData, vector3Model);
     }
 }