1 files changed, 25 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.Core/Messaging/IMessageWithEvents.cs b/src/DotNetOpenAuth.Core/Messaging/IMessageWithEvents.cs
new file mode 100644
index 0000000..51e00fc
--- /dev/null
+++ b/src/DotNetOpenAuth.Core/Messaging/IMessageWithEvents.cs
@@ -0,0 +1,25 @@
+//-----------------------------------------------------------------------
+// <copyright file="IMessageWithEvents.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.Messaging {
+	/// <summary>
+	/// An interface that messages wishing to perform custom serialization/deserialization
+	/// may implement to be notified of <see cref="Channel"/> events.
+	/// </summary>
+	internal interface IMessageWithEvents : IMessage {
+		/// <summary>
+		/// Called when the message is about to be transmitted,
+		/// before it passes through the channel binding elements.
+		/// </summary>
+		void OnSending();
+
+		/// <summary>
+		/// Called when the message has been received, 
+		/// after it passes through the channel binding elements.
+		/// </summary>
+		void OnReceiving();
+	}
+}