Update sample Iris app and debug client

Tests/SimpleIrisApp/Program.cs

@@ -1,6 +1,5 @@
 using Microsoft.Iris;
 using System;
-using System.IO;
 
 namespace SimpleIrisApp;
 
@@ -8,6 +7,21 @@ internal class Program
 {
     static void Main(string[] args)
     {
+#if DEBUG
+        Console.WriteLine("Starting debugger server...");
+
+        Application.DebuggerServerReady += (_, __) =>
+        {
+            var textColor = Console.ForegroundColor;
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine($"Debugger server ready at {Application.DebugSettings.DebugConnectionUri}");
+            Console.ForegroundColor = textColor;
+        };
+
+        Application.DebugSettings.DebugConnectionUri = args.Length >= 2
+            ? args[1] : "tcp://127.0.0.1:5556";
+#endif
+
         Console.WriteLine("Initializing Iris...");
         Application.Initialize();
 
@@ -24,5 +38,14 @@ internal class Program
 
         var rootUi = Application.Window.Form.Zone.RootUI;
         var rootView = Application.Window.Form.Zone.RootViewItem;
+
+        rootView.DeepLayoutChange += RootView_DeepParentChange;
+
+        Console.WriteLine("Visual tree ready");
+    }
+
+    private static void RootView_DeepParentChange(object? sender, EventArgs e)
+    {
+
     }
 }