Index: Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase.cs
===================================================================
diff -u
--- Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase.cs	(revision 0)
+++ Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase.cs	(revision 0b438fd8b8d8bee82908046923367b11f10219d7)
@@ -0,0 +1,65 @@
+// Copyright (C) Stichting Deltares 2019. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// 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
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using Core.Common.Base;
+using Core.Common.Gui.Commands;
+using Core.Common.Gui.Helpers;
+
+namespace Riskeer.Common.Forms.ChangeHandlers
+{
+    /// <summary>
+    /// Base class for handling clearing illustration points and closing views from collections of calculations.
+    /// </summary>
+    public abstract class ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase : ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase
+    {
+        private readonly IViewCommands viewCommands;
+
+        /// <summary>
+        /// Creates a new instance of <see cref="ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase"/>.
+        /// </summary>
+        /// <param name="inquiryHelper">Object responsible for inquiring confirmation.</param>
+        /// <param name="viewCommands">The view commands used to close views for the illustration points.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        protected ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase(
+            IInquiryHelper inquiryHelper, IViewCommands viewCommands) : base(inquiryHelper)
+        {
+            if (viewCommands == null)
+            {
+                throw new ArgumentNullException(nameof(viewCommands));
+            }
+
+            this.viewCommands = viewCommands;
+        }
+
+        public override IEnumerable<IObservable> ClearIllustrationPoints()
+        {
+            CloseView(viewCommands);
+
+            return PerformClearIllustrationPoints();
+        }
+
+        protected abstract IEnumerable<IObservable> PerformClearIllustrationPoints();
+
+        protected abstract void CloseView(IViewCommands viewCommands);
+    }
+}
\ No newline at end of file
Index: Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase.cs
===================================================================
diff -u -re9b8aa3e972b9f07a3201f143c26de0e3f082d49 -r0b438fd8b8d8bee82908046923367b11f10219d7
--- Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase.cs	(.../ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase.cs)	(revision e9b8aa3e972b9f07a3201f143c26de0e3f082d49)
+++ Riskeer/Common/src/Riskeer.Common.Forms/ChangeHandlers/ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase.cs	(.../ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase.cs)	(revision 0b438fd8b8d8bee82908046923367b11f10219d7)
@@ -38,7 +38,7 @@
         /// Creates a new instance of <see cref="ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase"/>.
         /// </summary>
         /// <param name="inquiryHelper">Object responsible for inquiring confirmation.</param>
-        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="inquiryHelper"/> is <c>null</c>.</exception>
         protected ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase(IInquiryHelper inquiryHelper)
         {
             if (inquiryHelper == null)
Index: Riskeer/Common/test/Riskeer.Common.Forms.Test/ChangeHandlers/ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBaseTest.cs
===================================================================
diff -u
--- Riskeer/Common/test/Riskeer.Common.Forms.Test/ChangeHandlers/ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBaseTest.cs	(revision 0)
+++ Riskeer/Common/test/Riskeer.Common.Forms.Test/ChangeHandlers/ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBaseTest.cs	(revision 0b438fd8b8d8bee82908046923367b11f10219d7)
@@ -0,0 +1,93 @@
+// Copyright (C) Stichting Deltares 2019. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// 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
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using Core.Common.Base;
+using Core.Common.Gui.Commands;
+using Core.Common.Gui.Helpers;
+using NUnit.Framework;
+using Rhino.Mocks;
+using Riskeer.Common.Forms.ChangeHandlers;
+
+namespace Riskeer.Common.Forms.Test.ChangeHandlers
+{
+    [TestFixture]
+    public class ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBaseTest
+    {
+        [Test]
+        public void Constructor_ViewCommandsNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var inquiryHelper = mocks.Stub<IInquiryHelper>();
+            mocks.ReplayAll();
+            
+            // Call
+            void Call() => new TestClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandler(inquiryHelper, null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("viewCommands", exception.ParamName);
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var inquiryHelper = mocks.Stub<IInquiryHelper>();
+            var viewCommands = mocks.Stub<IViewCommands>();
+            mocks.ReplayAll();
+
+            // Call
+            var changeHandler = new TestClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandler(
+                inquiryHelper, viewCommands);
+
+            // Assert
+            Assert.IsInstanceOf<ClearIllustrationPointsOfCalculationCollectionChangeHandlerBase>(changeHandler);
+            mocks.VerifyAll();
+        }
+        
+        private class TestClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandler : ClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandlerBase
+        {
+            public TestClearIllustrationPointsAndCloseViewOfCalculationCollectionChangeHandler(
+                IInquiryHelper inquiryHelper, IViewCommands viewCommands) 
+                : base(inquiryHelper, viewCommands) {}
+            
+            protected override string GetConfirmationMessage()
+            {
+                throw new NotImplementedException();
+            }
+
+            protected override IEnumerable<IObservable> PerformClearIllustrationPoints()
+            {
+                throw new NotImplementedException();
+            }
+
+            protected override void CloseView(IViewCommands viewCommands)
+            {
+                throw new NotImplementedException();
+            }
+        }
+    }
+}
\ No newline at end of file