Index: dam engine/trunk/src/Deltares.DamEngine.Interface/Interface.cs
===================================================================
diff -u -r343 -r344
--- dam engine/trunk/src/Deltares.DamEngine.Interface/Interface.cs	(.../Interface.cs)	(revision 343)
+++ dam engine/trunk/src/Deltares.DamEngine.Interface/Interface.cs	(.../Interface.cs)	(revision 344)
@@ -1,5 +1,6 @@
 using System;
 using Deltares.DamEngine.Data.Standard;
+using Deltares.DamEngine.Data.Standard.Logging;
 
 namespace Deltares.DamEngine.Interface
 {
@@ -18,6 +19,7 @@
             {
                 throw new InterfaceException("Error: empty input string");
             }
+            SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = "Model accepted" });
         }
 
         private ProgressDelegate ProgressDelegate
@@ -56,12 +58,36 @@
             }
         }
 
+        private void SendMessage(LogMessage logMessage)
+        {
+            SendMessageDelegate?.Invoke(logMessage);
+        }
+
+        private void Progress(double progress)
+        {
+            ProgressDelegate?.Invoke(progress);
+        }
+
+        private bool UserAbort()
+        {
+            if (UserAbortDelegate != null)
+            {
+                return UserAbortDelegate();
+            }
+            else
+            {
+                return false;
+            }
+        }
+
         /// <summary>
         /// Validates the model.
         /// </summary>
         /// <returns>Valdiation messages in an XML string</returns>
         public string Validate()
         {
+            SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = "Start validation"});
+            SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = "End validation" });
             return null;
         }
 
@@ -71,6 +97,8 @@
         /// <returns>Errors and warnings in an XML string</returns>
         public string Run()
         {
+            SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = "Start calcualtion" });
+            SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = "End calcualtion" });
             return null;
         }