Задумка с отрицательным айдишником сработала глобально и кажется она работоспособна

Example.Frontend/ClientBasedPrinter.cs

@@ -17,6 +17,7 @@ namespace Example.Frontend
         public string GetName()
         {
             Console.WriteLine("ClientBasedPrinter called from server!!!!!!!!!!! Vova likes that:)");
+            DemoCheck.BackwardCall = true;
 
             return "ClientBasedPrinter from mroa";
         }

Example.Frontend/DemoCheck.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Linq;
+
+namespace Example.Frontend
+{
+    public static class DemoCheck
+    {
+        public static bool ClientBasedImplementation;
+        public static bool TaskCancelation;
+        public static bool Dispose;
+        public static bool PropertySet;
+        public static bool PropertyGet;
+        public static bool TaskExecution;
+        public static bool BackwardCall;
+        public static bool BasicNonParamsCall;
+        public static bool EventCallback;
+        public static bool CreatingPrinter;
+
+        public static void Show()
+        {
+            Console.WriteLine("======================== Demo summary ========================");
+            var fields = typeof(DemoCheck).GetFields().OrderBy(i => i.Name).ToList();
+            foreach (var field in fields)
+            {
+                var value = (bool)field.GetValue(null)!;
+                if (value)
+                {
+                    Console.BackgroundColor = ConsoleColor.Green;
+                }else Console.BackgroundColor = ConsoleColor.Gray;
+
+                Console.Write($"{field.Name}");
+                Console.BackgroundColor = ConsoleColor.Black;
+                Console.WriteLine();
+            }
+        }
+    }
+}

Example.Frontend/Program.cs

@@ -48,25 +48,32 @@ class Program
 //правильный порядок команд 8-5-10-7
         using (var disposingPrinter = factory.Create("Test"))
         {
-            disposingPrinter.OnPrint += (_, _) => { Console.WriteLine("New page creater. Called from event!!!"); };
+            DemoCheck.CreatingPrinter = true;
+            disposingPrinter.OnPrint += (_, _) =>
+            {
+                Console.WriteLine("New page creater. Called from event!!!");
+                DemoCheck.EventCallback = true;
+            };
             Console.WriteLine("Printer created");
             Thread.Sleep(100);
 
             var name = disposingPrinter.GetName();
+            DemoCheck.BasicNonParamsCall = true;
             Console.WriteLine("Printer name : {0}", name);
 
             Thread.Sleep(100);
 
             factory.Register(new ClientBasedPrinter());
+            DemoCheck.ClientBasedImplementation = true;
             Console.WriteLine("Registered printer");
             Thread.Sleep(100);
 
 
-            var registred = factory.GetFirstPrinter();
+            var registered = factory.GetFirstPrinter();
             Console.WriteLine("First printer");
             Thread.Sleep(100);
 
-            Console.WriteLine(registred);
+            Console.WriteLine(registered);
             Console.WriteLine("Collecting all printers");
             var names = factory.CollectAllNames();
             Thread.Sleep(100);
@@ -76,11 +83,15 @@ class Program
             var page = disposingPrinter.Print("Test Page", false, default, CancellationToken.None).GetAwaiter()
                 .GetResult();
             Console.WriteLine("Page printed");
+            DemoCheck.TaskExecution = true;
             Console.WriteLine(page.ToString());
 
             Console.WriteLine($"Printer resource : {disposingPrinter.Resource}");
+            DemoCheck.PropertyGet = true;
+
             Console.WriteLine("Restoring resource");
             disposingPrinter.Resource = 100;
+            DemoCheck.PropertySet = true;
             Console.WriteLine($"Printer resource again : {disposingPrinter.Resource}");
 
             var data = page.GetData();
@@ -88,6 +99,7 @@ class Program
 
             Console.WriteLine("Dispose printer");
         }
+        DemoCheck.Dispose = true;
 
 
         var loadSingleton = context.GetSingleObject(typeof(ILoadTest), 0) as ILoadTest;
@@ -100,6 +112,8 @@ class Program
         Thread.Sleep(5000);
         cts.Cancel();
         Console.WriteLine($"Token state {cts.Token.IsCancellationRequested}");
+        DemoCheck.TaskCancelation = true;
+        DemoCheck.Show();
         Console.ReadKey();
         //
         // const int iterations = 10000;