Index: Riskeer/WaveImpactAsphaltCover/src/Riskeer.WaveImpactAsphaltCover.Forms/PropertyClasses/HydraulicLoadsState/WaveImpactAsphaltCoverFailureMechanismProperties.cs
===================================================================
diff -u -rdb6e1eda8b29e446c5ca5ba7aabce982faf585ce -r4b4b8a9607ac669b026a57a90cbd6b9c1d1856b2
--- Riskeer/WaveImpactAsphaltCover/src/Riskeer.WaveImpactAsphaltCover.Forms/PropertyClasses/HydraulicLoadsState/WaveImpactAsphaltCoverFailureMechanismProperties.cs	(.../WaveImpactAsphaltCoverFailureMechanismProperties.cs)	(revision db6e1eda8b29e446c5ca5ba7aabce982faf585ce)
+++ Riskeer/WaveImpactAsphaltCover/src/Riskeer.WaveImpactAsphaltCover.Forms/PropertyClasses/HydraulicLoadsState/WaveImpactAsphaltCoverFailureMechanismProperties.cs	(.../WaveImpactAsphaltCoverFailureMechanismProperties.cs)	(revision 4b4b8a9607ac669b026a57a90cbd6b9c1d1856b2)
@@ -20,9 +20,12 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
+using Core.Common.Base;
 using Core.Common.Base.Data;
 using Core.Common.Util.Attributes;
 using Core.Gui.Attributes;
+using Riskeer.Common.Forms.PropertyClasses;
 using Riskeer.WaveImpactAsphaltCover.Data;
 using Riskeer.WaveImpactAsphaltCover.Forms.Properties;
 using RiskeerCommonFormsResources = Riskeer.Common.Forms.Properties.Resources;
@@ -41,17 +44,28 @@
         private const int bPropertyIndex = 4;
         private const int cPropertyIndex = 5;
 
+        private readonly IFailureMechanismPropertyChangeHandler<WaveImpactAsphaltCoverFailureMechanism> propertyChangeHandler;
+
         /// <summary>
         /// Creates a new instance of <see cref="WaveImpactAsphaltCoverFailureMechanismProperties"/>.
         /// </summary>
         /// <param name="data">The instance to show the properties of.</param>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="data"/> is <c>null</c>.</exception>
-        public WaveImpactAsphaltCoverFailureMechanismProperties(WaveImpactAsphaltCoverFailureMechanism data) : base(data, new ConstructionProperties
+        /// <param name="handler">Handler responsible for handling effects of a property change.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        public WaveImpactAsphaltCoverFailureMechanismProperties(WaveImpactAsphaltCoverFailureMechanism data, IFailureMechanismPropertyChangeHandler<WaveImpactAsphaltCoverFailureMechanism> handler) : base(data, new ConstructionProperties
         {
             NamePropertyIndex = namePropertyIndex,
             CodePropertyIndex = codePropertyIndex
-        }) {}
+        })
+        {
+            if (handler == null)
+            {
+                throw new ArgumentNullException(nameof(handler));
+            }
 
+            propertyChangeHandler = handler;
+        }
+
         #region Model settings
 
         [PropertyOrder(aPropertyIndex)]
@@ -94,7 +108,12 @@
 
                 ValidateParamC(newC);
 
-                data.GeneralInput.C = newC;
+                IEnumerable<IObservable> affectedObjects = propertyChangeHandler.SetPropertyValueAfterConfirmation(
+                    data,
+                    newC,
+                    (f, v) => f.GeneralInput.C = v);
+
+                NotifyAffectedObjects(affectedObjects);
             }
         }
 
@@ -107,6 +126,15 @@
             }
         }
 
+        private static void NotifyAffectedObjects(IEnumerable<IObservable> affectedObjects)
+        {
+            foreach (IObservable affectedObject in affectedObjects)
+            {
+                affectedObject.NotifyObservers();
+            }
+        }
+
+
         #endregion
     }
 }
\ No newline at end of file
Index: Riskeer/WaveImpactAsphaltCover/src/Riskeer.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs
===================================================================
diff -u -r9339a780307cdb21ebe38cbd3aa8811e2c98d980 -r4b4b8a9607ac669b026a57a90cbd6b9c1d1856b2
--- Riskeer/WaveImpactAsphaltCover/src/Riskeer.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 9339a780307cdb21ebe38cbd3aa8811e2c98d980)
+++ Riskeer/WaveImpactAsphaltCover/src/Riskeer.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 4b4b8a9607ac669b026a57a90cbd6b9c1d1856b2)
@@ -6,7 +6,7 @@
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
-// 
+//
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
@@ -80,7 +80,7 @@
         {
             yield return new PropertyInfo<HydraulicLoadsStateFailureMechanismContext, HydraulicLoadsStateFailureMechanismProperties>
             {
-                CreateInstance = context => new HydraulicLoadsStateFailureMechanismProperties(context.WrappedData)
+                CreateInstance = context => new HydraulicLoadsStateFailureMechanismProperties(context.WrappedData, new FailureMechanismPropertyChangeHandler<WaveImpactAsphaltCoverFailureMechanism>())
             };
             yield return new PropertyInfo<RegistrationStateFailureMechanismContext, RegistrationStateFailureMechanismProperties>
             {
Index: Riskeer/WaveImpactAsphaltCover/test/Riskeer.WaveImpactAsphaltCover.Forms.Test/PropertyClasses/HydraulicLoadsState/WaveImpactAsphaltCoverFailureMechanismPropertiesTest.cs
===================================================================
diff -u -r6ba841ede2bfbe9685aafac513cac423d3a705e0 -r4b4b8a9607ac669b026a57a90cbd6b9c1d1856b2
--- Riskeer/WaveImpactAsphaltCover/test/Riskeer.WaveImpactAsphaltCover.Forms.Test/PropertyClasses/HydraulicLoadsState/WaveImpactAsphaltCoverFailureMechanismPropertiesTest.cs	(.../WaveImpactAsphaltCoverFailureMechanismPropertiesTest.cs)	(revision 6ba841ede2bfbe9685aafac513cac423d3a705e0)
+++ Riskeer/WaveImpactAsphaltCover/test/Riskeer.WaveImpactAsphaltCover.Forms.Test/PropertyClasses/HydraulicLoadsState/WaveImpactAsphaltCoverFailureMechanismPropertiesTest.cs	(.../WaveImpactAsphaltCoverFailureMechanismPropertiesTest.cs)	(revision 4b4b8a9607ac669b026a57a90cbd6b9c1d1856b2)
@@ -24,6 +24,7 @@
 using Core.Common.Base.Data;
 using Core.Gui.TestUtil;
 using NUnit.Framework;
+using Riskeer.Common.Forms.ChangeHandlers;
 using Riskeer.WaveImpactAsphaltCover.Data;
 using Riskeer.WaveImpactAsphaltCover.Forms.PropertyClasses;
 using Riskeer.WaveImpactAsphaltCover.Forms.PropertyClasses.HydraulicLoadsState;
@@ -46,7 +47,7 @@
             var failureMechanism = new WaveImpactAsphaltCoverFailureMechanism();
 
             // Call
-            var properties = new WaveImpactAsphaltCoverFailureMechanismProperties(failureMechanism);
+            var properties = new WaveImpactAsphaltCoverFailureMechanismProperties(failureMechanism, new FailureMechanismPropertyChangeHandler<WaveImpactAsphaltCoverFailureMechanism>());
 
             // Assert
             Assert.IsInstanceOf<WaveImpactAsphaltCoverFailureMechanismPropertiesBase>(properties);
@@ -64,7 +65,7 @@
         public void Constructor_Always_PropertiesHaveExpectedAttributeValues()
         {
             // Call
-            var properties = new WaveImpactAsphaltCoverFailureMechanismProperties(new WaveImpactAsphaltCoverFailureMechanism());
+            var properties = new WaveImpactAsphaltCoverFailureMechanismProperties(new WaveImpactAsphaltCoverFailureMechanism(), new FailureMechanismPropertyChangeHandler<WaveImpactAsphaltCoverFailureMechanism>());
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
@@ -119,7 +120,7 @@
         private void SetToOutOfBounds()
         {
             var failureMechanism = new WaveImpactAsphaltCoverFailureMechanism();
-            var properties = new WaveImpactAsphaltCoverFailureMechanismProperties(failureMechanism);
+            var properties = new WaveImpactAsphaltCoverFailureMechanismProperties(failureMechanism, new FailureMechanismPropertyChangeHandler<WaveImpactAsphaltCoverFailureMechanism>());
             // C must be in range [0, ... , 2]
             properties.C = new RoundedDouble(2, 3.14);
         }