Index: Ringtoets/Common/src/Ringtoets.Common.Forms/NodePresenters/CategoryTreeFolderNodePresenter.cs
===================================================================
diff -u
--- Ringtoets/Common/src/Ringtoets.Common.Forms/NodePresenters/CategoryTreeFolderNodePresenter.cs	(revision 0)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/NodePresenters/CategoryTreeFolderNodePresenter.cs	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -0,0 +1,44 @@
+using System;
+using System.Collections;
+using System.Drawing;
+
+using Core.Common.Controls;
+
+using Ringtoets.Common.Forms.PresentationObjects;
+
+using RingtoetsCommonFormsResources = Ringtoets.Common.Forms.Properties.Resources;
+
+namespace Ringtoets.Common.Forms.NodePresenters
+{
+    /// <summary>
+    /// Node presenter for <see cref="CategoryTreeFolder"/>.
+    /// </summary>
+    public class CategoryTreeFolderNodePresenter : RingtoetsNodePresenterBase<CategoryTreeFolder>
+    {
+        protected override void UpdateNode(ITreeNode parentNode, ITreeNode node, CategoryTreeFolder nodeData)
+        {
+            node.Text = nodeData.Name;
+            node.Image = GetFolderIcon(nodeData.Category);
+        }
+
+        protected override IEnumerable GetChildNodeObjects(CategoryTreeFolder nodeData, ITreeNode node)
+        {
+            return nodeData.Contents;
+        }
+
+        private Image GetFolderIcon(TreeFolderCategory category)
+        {
+            switch (category)
+            {
+                case TreeFolderCategory.General:
+                    return RingtoetsCommonFormsResources.GeneralFolderIcon;
+                case TreeFolderCategory.Input:
+                    return RingtoetsCommonFormsResources.InputFolderIcon;
+                case TreeFolderCategory.Output:
+                    return RingtoetsCommonFormsResources.OutputFolderIcon;
+                default:
+                    throw new NotImplementedException();
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/CategoryTreeFolder.cs
===================================================================
diff -u
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/CategoryTreeFolder.cs	(revision 0)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/CategoryTreeFolder.cs	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -0,0 +1,41 @@
+using System.Collections;
+using System.Linq;
+
+using Core.Common.Controls;
+
+namespace Ringtoets.Common.Forms.PresentationObjects
+{
+    /// <summary>
+    /// Object that allows for grouping child nodes of <see cref="ITreeNode"/> instances.
+    /// </summary>
+    public class CategoryTreeFolder
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CategoryTreeFolder"/> class.
+        /// </summary>
+        /// <param name="name">The name of the category folder.</param>
+        /// <param name="contents">The contents of the folder.</param>
+        /// <param name="category">Optional: The category descriptor of the folder. Default: <see cref="TreeFolderCategory.General"/>.</param>
+        public CategoryTreeFolder(string name, IEnumerable contents, TreeFolderCategory category = TreeFolderCategory.General)
+        {
+            Name = name;
+            Contents = contents.OfType<object>().ToArray();
+            Category = category;
+        }
+
+        /// <summary>
+        /// Gets the name of the folder.
+        /// </summary>
+        public string Name { get; private set; }
+
+        /// <summary>
+        /// Gets the contents of the folder.
+        /// </summary>
+        public IEnumerable Contents { get; private set; }
+
+        /// <summary>
+        /// Gets the category of the folder.
+        /// </summary>
+        public TreeFolderCategory Category { get; private set; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/TreeFolderCategory.cs
===================================================================
diff -u
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/TreeFolderCategory.cs	(revision 0)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/TreeFolderCategory.cs	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -0,0 +1,21 @@
+namespace Ringtoets.Common.Forms.PresentationObjects
+{
+    /// <summary>
+    /// All type categories supported by <see cref="CategoryTreeFolder"/>.
+    /// </summary>
+    public enum TreeFolderCategory
+    {
+        /// <summary>
+        /// Folderc ontents to not have a particular meaning.
+        /// </summary>
+        General,
+        /// <summary>
+        /// Marks the folder contents as inputs.
+        /// </summary>
+        Input,
+        /// <summary>
+        /// Marks the folder contents as outputs.
+        /// </summary>
+        Output
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/Resources.Designer.cs
===================================================================
diff -u -rca87cfba59d1e35ba9a281b92e5e90f8c8121db0 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision ca87cfba59d1e35ba9a281b92e5e90f8c8121db0)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -63,6 +63,36 @@
         /// <summary>
         ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
+        public static System.Drawing.Bitmap GeneralFolderIcon {
+            get {
+                object obj = ResourceManager.GetObject("GeneralFolderIcon", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        public static System.Drawing.Bitmap InputFolderIcon {
+            get {
+                object obj = ResourceManager.GetObject("InputFolderIcon", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        public static System.Drawing.Bitmap OutputFolderIcon {
+            get {
+                object obj = ResourceManager.GetObject("OutputFolderIcon", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
         public static System.Drawing.Bitmap receipt_text {
             get {
                 object obj = ResourceManager.GetObject("receipt_text", resourceCulture);
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/Resources.resx
===================================================================
diff -u -rca87cfba59d1e35ba9a281b92e5e90f8c8121db0 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision ca87cfba59d1e35ba9a281b92e5e90f8c8121db0)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -130,4 +130,13 @@
   <data name="RingtoetsNodePresenterBase_RemoveNodeData_Cannot_delete_node_of_type_0_" xml:space="preserve">
     <value>Kan knoop uit boom van type {0} niet verwijderen.</value>
   </data>
+  <data name="GeneralFolderIcon" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\folder.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="InputFolderIcon" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\folder_input.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="OutputFolderIcon" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\folder_output.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Resources/folder.png
===================================================================
diff -u
Binary files differ
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Resources/folder_input.png
===================================================================
diff -u
Binary files differ
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Resources/folder_output.png
===================================================================
diff -u
Binary files differ
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Ringtoets.Common.Forms.csproj
===================================================================
diff -u -rfcf04bfe765cc56c90a010b4b4790cab0ac5b2c6 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Ringtoets.Common.Forms.csproj	(.../Ringtoets.Common.Forms.csproj)	(revision fcf04bfe765cc56c90a010b4b4790cab0ac5b2c6)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Ringtoets.Common.Forms.csproj	(.../Ringtoets.Common.Forms.csproj)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -76,7 +76,10 @@
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
     <Compile Include="Extensions\ContextMenuStripExtensions.cs" />
+    <Compile Include="NodePresenters\CategoryTreeFolderNodePresenter.cs" />
     <Compile Include="NodePresenters\RingtoetsNodePresenterBase.cs" />
+    <Compile Include="PresentationObjects\CategoryTreeFolder.cs" />
+    <Compile Include="PresentationObjects\TreeFolderCategory.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
       <AutoGen>True</AutoGen>
@@ -107,6 +110,15 @@
       <Name>Core.Common.Version</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\folder.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\folder_input.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\folder_output.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/NodePresenters/CategoryTreeFolderNodePresenterTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/NodePresenters/CategoryTreeFolderNodePresenterTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/NodePresenters/CategoryTreeFolderNodePresenterTest.cs	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -0,0 +1,136 @@
+using System;
+using System.Collections;
+using System.Drawing;
+
+using Core.Common.Controls;
+using Core.Common.TestUtils;
+
+using NUnit.Framework;
+
+using Rhino.Mocks;
+
+using Ringtoets.Common.Forms.NodePresenters;
+using Ringtoets.Common.Forms.PresentationObjects;
+
+using RingtoetsFormsResources = Ringtoets.Common.Forms.Properties.Resources;
+
+namespace Ringtoets.Common.Forms.Test.NodePresenters
+{
+    [TestFixture]
+    public class CategoryTreeFolderNodePresenterTest
+    {
+        [Test]
+        public void DefaultConstructor_ExpectedValues()
+        {
+            // Call
+            var nodePresenter = new CategoryTreeFolderNodePresenter();
+
+            // Assert
+            Assert.IsInstanceOf<RingtoetsNodePresenterBase<CategoryTreeFolder>>(nodePresenter);
+            Assert.AreEqual(typeof(CategoryTreeFolder), nodePresenter.NodeTagType);
+            Assert.IsNull(nodePresenter.TreeView);
+        }
+
+        [Test]
+        [TestCase(TreeFolderCategory.General)]
+        [TestCase(TreeFolderCategory.Input)]
+        [TestCase(TreeFolderCategory.Output)]
+        public void UpdateNode_ForCategory_InitializeNode(TreeFolderCategory category)
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var parentNode = mocks.StrictMock<ITreeNode>();
+            var currentNode = mocks.Stub<ITreeNode>();
+            mocks.ReplayAll();
+
+            var nodePresenter = new CategoryTreeFolderNodePresenter();
+            var folder = new CategoryTreeFolder("Cool name", new object[0], category);
+
+            // Call
+            nodePresenter.UpdateNode(parentNode, currentNode, folder);
+
+            // Assert
+            Assert.AreEqual(folder.Name, currentNode.Text);
+            TestHelper.AssertImagesAreEqual(GetExpectedIconForCategory(category), currentNode.Image);
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void CanRenamedNode_Always_ReturnFalse()
+        {
+            // Setup
+            var nodePresenter = new CategoryTreeFolderNodePresenter();
+
+            // Call
+            var isRenamingAllowed = nodePresenter.CanRenameNode(null);
+
+            // Assert
+            Assert.IsFalse(isRenamingAllowed);
+        }
+
+        [Test]
+        public void CanRenamedNodeTo_Always_ReturnFalse()
+        {
+            // Setup
+            var nodePresenter = new CategoryTreeFolderNodePresenter();
+
+            // Call
+            var isRenamingAllowed = nodePresenter.CanRenameNodeTo(null, "");
+
+            // Assert
+            Assert.IsFalse(isRenamingAllowed);
+        }
+
+        [Test]
+        public void CanRemove_Always_ReturnFalse()
+        {
+            // Setup
+            var nodePresenter = new CategoryTreeFolderNodePresenter();
+
+            // Call
+            var isRenamingAllowed = nodePresenter.CanRemove(null, null);
+
+            // Assert
+            Assert.IsFalse(isRenamingAllowed);
+        }
+
+        [Test]
+        public void GetChildNodeObjects_FolderHasContents_ReturnContents()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var node = mocks.StrictMock<ITreeNode>();
+            mocks.ReplayAll();
+
+            var folder = new CategoryTreeFolder("", new[]
+            {
+                new object(),
+                new object()
+            });
+            
+            var nodePresenter = new CategoryTreeFolderNodePresenter();
+
+            // Call
+            IEnumerable children = nodePresenter.GetChildNodeObjects(folder, node);
+
+            // Assert
+            CollectionAssert.AreEqual(folder.Contents, children);
+            mocks.VerifyAll();
+        }
+
+        private Image GetExpectedIconForCategory(TreeFolderCategory category)
+        {
+            switch (category)
+            {
+                case TreeFolderCategory.General:
+                    return RingtoetsFormsResources.GeneralFolderIcon;
+                case TreeFolderCategory.Input:
+                    return RingtoetsFormsResources.InputFolderIcon;
+                case TreeFolderCategory.Output:
+                    return RingtoetsFormsResources.OutputFolderIcon;
+                default:
+                    throw new NotImplementedException();
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PresentationObjects/CategoryTreeFolderTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PresentationObjects/CategoryTreeFolderTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PresentationObjects/CategoryTreeFolderTest.cs	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -0,0 +1,49 @@
+using NUnit.Framework;
+
+using Ringtoets.Common.Forms.PresentationObjects;
+
+namespace Ringtoets.Common.Forms.Test.PresentationObjects
+{
+    [TestFixture]
+    public class CategoryTreeFolderTest
+    {
+        [Test]
+        public void ParameteredConstructor_ExpectedValues()
+        {
+            // Setup
+            var contents = new[]
+            {
+                new object(), new object()
+            };
+            var category = TreeFolderCategory.Output;
+
+            // Call
+            var treeFolder = new CategoryTreeFolder("<name>", contents, category);
+
+            // Assert
+            Assert.AreEqual("<name>", treeFolder.Name);
+            Assert.AreEqual(category, treeFolder.Category);
+            Assert.AreNotSame(contents, treeFolder.Contents);
+            CollectionAssert.AreEqual(contents, treeFolder.Contents);
+        }
+
+        [Test]
+        public void ParameteredConstructor_NotSpecifyingCategory_ExpectedValues()
+        {
+            // Setup
+            var contents = new[]
+            {
+                new object(), new object()
+            };
+            
+            // Call
+            var treeFolder = new CategoryTreeFolder("<name>", contents);
+
+            // Assert
+            Assert.AreEqual("<name>", treeFolder.Name);
+            Assert.AreEqual(TreeFolderCategory.General, treeFolder.Category);
+            Assert.AreNotSame(contents, treeFolder.Contents);
+            CollectionAssert.AreEqual(contents, treeFolder.Contents);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj
===================================================================
diff -u -ree60be046a1b4e4151bb567e9a9c3ab0876d3b55 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj	(.../Ringtoets.Common.Forms.Test.csproj)	(revision ee60be046a1b4e4151bb567e9a9c3ab0876d3b55)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj	(.../Ringtoets.Common.Forms.Test.csproj)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -80,7 +80,9 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Extensions\ContextMenuStripExtensionsTest.cs" />
+    <Compile Include="NodePresenters\CategoryTreeFolderNodePresenterTest.cs" />
     <Compile Include="NodePresenters\RingtoetsNodePresenterBaseTest.cs" />
+    <Compile Include="PresentationObjects\CategoryTreeFolderTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
@@ -92,6 +94,10 @@
       <Project>{f49bd8b2-332a-4c91-a196-8cce0a2c7d98}</Project>
       <Name>Core.Common.Utils</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.TestUtils\Core.Common.TestUtils.csproj">
+      <Project>{d749ee4c-ce50-4c17-bf01-9a953028c126}</Project>
+      <Name>Core.Common.TestUtils</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\src\Ringtoets.Common.Forms\Ringtoets.Common.Forms.csproj">
       <Project>{4d840673-3812-4338-a352-84854e32b8a0}</Project>
       <Name>Ringtoets.Common.Forms</Name>
Fisheye: Tag 80ebf3911f46c8fde95702b7723e4457b4fd80ea refers to a dead (removed) revision in file `Ringtoets/Integration/src/Ringtoets.Integration.Forms/NodePresenters/CategoryTreeFolderNodePresenter.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/NodePresenters/FailureMechanismNodePresenter.cs
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/NodePresenters/FailureMechanismNodePresenter.cs	(.../FailureMechanismNodePresenter.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/NodePresenters/FailureMechanismNodePresenter.cs	(.../FailureMechanismNodePresenter.cs)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -4,8 +4,8 @@
 using Core.Common.Controls;
 
 using Ringtoets.Common.Forms.NodePresenters;
+using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Integration.Data.Placeholders;
-using Ringtoets.Integration.Forms.PresentationObjects;
 using Ringtoets.Integration.Forms.Properties;
 
 namespace Ringtoets.Integration.Forms.NodePresenters
Fisheye: Tag 80ebf3911f46c8fde95702b7723e4457b4fd80ea refers to a dead (removed) revision in file `Ringtoets/Integration/src/Ringtoets.Integration.Forms/PresentationObjects/CategoryTreeFolder.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Fisheye: Tag 80ebf3911f46c8fde95702b7723e4457b4fd80ea refers to a dead (removed) revision in file `Ringtoets/Integration/src/Ringtoets.Integration.Forms/PresentationObjects/TreeFolderCategory.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Properties/Resources.Designer.cs
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -128,16 +128,6 @@
         /// <summary>
         ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
-        internal static System.Drawing.Bitmap GeneralFolderIcon {
-            get {
-                object obj = ResourceManager.GetObject("GeneralFolderIcon", resourceCulture);
-                return ((System.Drawing.Bitmap)(obj));
-            }
-        }
-        
-        /// <summary>
-        ///   Looks up a localized resource of type System.Drawing.Bitmap.
-        /// </summary>
         internal static System.Drawing.Bitmap GenericInputOutputIcon {
             get {
                 object obj = ResourceManager.GetObject("GenericInputOutputIcon", resourceCulture);
@@ -148,26 +138,6 @@
         /// <summary>
         ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
-        internal static System.Drawing.Bitmap InputFolderIcon {
-            get {
-                object obj = ResourceManager.GetObject("InputFolderIcon", resourceCulture);
-                return ((System.Drawing.Bitmap)(obj));
-            }
-        }
-        
-        /// <summary>
-        ///   Looks up a localized resource of type System.Drawing.Bitmap.
-        /// </summary>
-        internal static System.Drawing.Bitmap OutputFolderIcon {
-            get {
-                object obj = ResourceManager.GetObject("OutputFolderIcon", resourceCulture);
-                return ((System.Drawing.Bitmap)(obj));
-            }
-        }
-        
-        /// <summary>
-        ///   Looks up a localized resource of type System.Drawing.Bitmap.
-        /// </summary>
         internal static System.Drawing.Bitmap PlaceholderIcon {
             get {
                 object obj = ResourceManager.GetObject("PlaceholderIcon", resourceCulture);
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Properties/Resources.resx
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Properties/Resources.resx	(.../Resources.resx)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -145,13 +145,4 @@
   <data name="DuneAssessmentSection_DisplayName" xml:space="preserve">
     <value>Duintraject</value>
   </data>
-  <data name="GeneralFolderIcon" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\folder.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
-  </data>
-  <data name="InputFolderIcon" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\folder_input.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
-  </data>
-  <data name="OutputFolderIcon" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\folder_output.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
-  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Resources/folder.png
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
Binary files differ
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Resources/folder_input.png
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
Binary files differ
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Resources/folder_output.png
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
Binary files differ
Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Ringtoets.Integration.Forms.csproj
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Ringtoets.Integration.Forms.csproj	(.../Ringtoets.Integration.Forms.csproj)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Ringtoets.Integration.Forms.csproj	(.../Ringtoets.Integration.Forms.csproj)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -49,11 +49,8 @@
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
     <Compile Include="NodePresenters\AssessmentSectionBaseNodePresenter.cs" />
-    <Compile Include="NodePresenters\CategoryTreeFolderNodePresenter.cs" />
     <Compile Include="NodePresenters\FailureMechanismNodePresenter.cs" />
     <Compile Include="NodePresenters\PlaceholderWithReadonlyNameNodePresenter.cs" />
-    <Compile Include="PresentationObjects\CategoryTreeFolder.cs" />
-    <Compile Include="PresentationObjects\TreeFolderCategory.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs">
       <AutoGen>True</AutoGen>
@@ -123,15 +120,6 @@
   <ItemGroup>
     <None Include="Resources\control-record.png" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="Resources\folder.png" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="Resources\folder_input.png" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="Resources\folder_output.png" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsGuiPlugin.cs
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsGuiPlugin.cs	(.../RingtoetsGuiPlugin.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsGuiPlugin.cs	(.../RingtoetsGuiPlugin.cs)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -4,6 +4,7 @@
 using Core.Common.Gui;
 using Core.Common.Gui.Forms;
 
+using Ringtoets.Common.Forms.NodePresenters;
 using Ringtoets.Integration.Data;
 using Ringtoets.Integration.Forms.NodePresenters;
 using Ringtoets.Integration.Forms.PropertyClasses;
Fisheye: Tag 80ebf3911f46c8fde95702b7723e4457b4fd80ea refers to a dead (removed) revision in file `Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/NodePresenters/CategoryTreeFolderNodePresenterTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/NodePresenters/FailureMechanismNodePresenterTest.cs
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/NodePresenters/FailureMechanismNodePresenterTest.cs	(.../FailureMechanismNodePresenterTest.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/NodePresenters/FailureMechanismNodePresenterTest.cs	(.../FailureMechanismNodePresenterTest.cs)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -9,9 +9,9 @@
 using Rhino.Mocks;
 
 using Ringtoets.Common.Forms.NodePresenters;
+using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Integration.Data.Placeholders;
 using Ringtoets.Integration.Forms.NodePresenters;
-using Ringtoets.Integration.Forms.PresentationObjects;
 
 using RingtoetsFormsResources = Ringtoets.Integration.Forms.Properties.Resources;
 
Fisheye: Tag 80ebf3911f46c8fde95702b7723e4457b4fd80ea refers to a dead (removed) revision in file `Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/PresentationObjects/CategoryTreeFolderTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Ringtoets.Integration.Forms.Test.csproj
===================================================================
diff -u -ree60be046a1b4e4151bb567e9a9c3ab0876d3b55 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Ringtoets.Integration.Forms.Test.csproj	(.../Ringtoets.Integration.Forms.Test.csproj)	(revision ee60be046a1b4e4151bb567e9a9c3ab0876d3b55)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Ringtoets.Integration.Forms.Test.csproj	(.../Ringtoets.Integration.Forms.Test.csproj)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -54,10 +54,8 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="NodePresenters\AssessmentSectionBaseNodePresenterTest.cs" />
-    <Compile Include="NodePresenters\CategoryTreeFolderNodePresenterTest.cs" />
     <Compile Include="NodePresenters\FailureMechanismNodePresenterTest.cs" />
     <Compile Include="NodePresenters\PlaceholderWithReadonlyNameNodePresenterTest.cs" />
-    <Compile Include="PresentationObjects\CategoryTreeFolderTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="PropertyClasses\DikeAssessmentSectionPropertiesTest.cs" />
   </ItemGroup>
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/RingtoetsGuiPluginTest.cs
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r80ebf3911f46c8fde95702b7723e4457b4fd80ea
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/RingtoetsGuiPluginTest.cs	(.../RingtoetsGuiPluginTest.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/RingtoetsGuiPluginTest.cs	(.../RingtoetsGuiPluginTest.cs)	(revision 80ebf3911f46c8fde95702b7723e4457b4fd80ea)
@@ -10,6 +10,7 @@
 
 using Rhino.Mocks;
 
+using Ringtoets.Common.Forms.NodePresenters;
 using Ringtoets.Integration.Data;
 using Ringtoets.Integration.Forms.NodePresenters;
 using Ringtoets.Integration.Forms.PropertyClasses;