Now successfully connects, authenticates, joins a channel and parses messages.

TwitchLogger/IRC/Callbacks.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace TwitchLogger.IRC
+{
+    public class IrcMessageEventArgs(ReceivedMessage message) : EventArgs
+    {
+        public ReceivedMessage Message = message;
+    }
+    public delegate void IrcCallback(ReceivedMessage message);
+    /// <summary>
+    /// Callback to be run for received messages of specific types.
+    /// </summary>
+    /// <param name="Callback"></param>
+    /// <param name="CallbackTypes">set to null to run for all message types</param>
+    public readonly record struct CallbackItem(
+        IrcCallback Callback,
+        IReadOnlyList<IrcMessageType>? CallbackTypes)
+    {
+        public bool TryCall(ReceivedMessage message)
+        {
+            if (CallbackTypes?.Contains(message.MessageType) ?? true)
+            {
+                Callback(message);
+                return true;
+            }
+            return false;
+        }
+    }
+}