From 3bd3531f445e3e8bc9bee09190809cbfa57e52e8 Mon Sep 17 00:00:00 2001
From: Yoshi Askharoun <jjask7@gmail.com>
Date: Fri, 16 Feb 2024 20:39:27 -0600
Subject: [PATCH] Add secondary Trace callback

---
 UIX/Microsoft/Iris/Debug/Trace.cs         | 5 ++++-
 UIX/Microsoft/Iris/Debug/TraceSettings.cs | 6 +++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/UIX/Microsoft/Iris/Debug/Trace.cs b/UIX/Microsoft/Iris/Debug/Trace.cs
index ccbe303..8717180 100644
--- a/UIX/Microsoft/Iris/Debug/Trace.cs
+++ b/UIX/Microsoft/Iris/Debug/Trace.cs
@@ -113,7 +113,10 @@ namespace Microsoft.Iris.Debug
             if (IsCategoryEnabled(cat, levelFlag))
             {
                 string content = string.Format(format, pars);
-                System.Diagnostics.Debug.WriteLine(BuildLine(content));
+                var line = BuildLine(content);
+
+                System.Diagnostics.Debug.WriteLine(line);
+                TraceSettings.Current.FireWriteCallbacks(line);
             }
         }
 
diff --git a/UIX/Microsoft/Iris/Debug/TraceSettings.cs b/UIX/Microsoft/Iris/Debug/TraceSettings.cs
index 31fd385..41c5b89 100644
--- a/UIX/Microsoft/Iris/Debug/TraceSettings.cs
+++ b/UIX/Microsoft/Iris/Debug/TraceSettings.cs
@@ -15,7 +15,7 @@ namespace Microsoft.Iris.Debug
     public class TraceSettings
     {
         private static TraceSettings s_instance;
-        private Dictionary<TraceCategory, byte> CategoryLevels = new Dictionary<TraceCategory, byte>();
+        private Dictionary<TraceCategory, byte> CategoryLevels = new();
         private string s_debugTraceFile;
 
         public TraceSettings()
@@ -90,5 +90,9 @@ namespace Microsoft.Iris.Debug
         public bool DebugTraceToFile => !string.IsNullOrEmpty(s_debugTraceFile);
 
         public string DebugTraceFile => s_debugTraceFile;
+
+        public event Action<string> OnWriteLine;
+
+        internal void FireWriteCallbacks(string line) => OnWriteLine?.Invoke(line);
     }
 }