Index: DamEngine/trunk/src/Deltares.DamEngine.Interface/EngineInterface.cs
===================================================================
diff -u -r2111 -r3297
--- DamEngine/trunk/src/Deltares.DamEngine.Interface/EngineInterface.cs	(.../EngineInterface.cs)	(revision 2111)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface/EngineInterface.cs	(.../EngineInterface.cs)	(revision 3297)
@@ -150,7 +150,19 @@
         {
             SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = Resources.StartValidation });
             List<LogMessage> validationMessages = null;
-            //validationMessages = DamProjectData.Validate(); or something like this....
+
+            try
+            {
+                DamProjectData.Dike.Validate(DamProjectData.DamProjectType == DamProjectType.Operational);
+            }
+            catch (Exception e)
+            {
+                var validationMessage = new LogMessage(LogMessageType.Error,null, e.Message);
+                validationMessages = new List<LogMessage> {validationMessage};
+                DamProjectData.CalculationMessages = new List<LogMessage>();
+            }
+              
+
             // Local validation can give messages and these have to be added to the results but note that there
             // already can be messages added by instantiation of the interface too. So add the local to the global
             if (validationMessages != null && validationMessages.Count > 0)