Index: Core/Components/src/Core.Components.GraphSharp/Core.Components.GraphSharp.csproj
===================================================================
diff -u -r95433bcf41f452154959a6884129265c6de295b7 -r83a3d88b3df8452281d5f020060e8cfb2b6fb85e
--- Core/Components/src/Core.Components.GraphSharp/Core.Components.GraphSharp.csproj	(.../Core.Components.GraphSharp.csproj)	(revision 95433bcf41f452154959a6884129265c6de295b7)
+++ Core/Components/src/Core.Components.GraphSharp/Core.Components.GraphSharp.csproj	(.../Core.Components.GraphSharp.csproj)	(revision 83a3d88b3df8452281d5f020060e8cfb2b6fb85e)
@@ -42,6 +42,7 @@
       <HintPath>..\..\..\..\packages\GraphSharp.1.1.0.0\lib\net40\GraphSharp.Controls.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="PresentationCore" />
     <Reference Include="QuickGraph, Version=3.6.61114.0, Culture=neutral, PublicKeyToken=f3fb40175eec2af3, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\QuickGraph.3.6.61119.7\lib\net4\QuickGraph.dll</HintPath>
       <Private>True</Private>
@@ -60,6 +61,7 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="WindowsBase" />
     <Reference Include="WPFExtensions, Version=1.0.3437.34043, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\WPFExtensions.1.0.0\lib\WPFExtensions.dll</HintPath>
       <Private>True</Private>
Index: Core/Components/src/Core.Components.GraphSharp/Data/PointedTreeElementVertex.cs
===================================================================
diff -u -r95433bcf41f452154959a6884129265c6de295b7 -r83a3d88b3df8452281d5f020060e8cfb2b6fb85e
--- Core/Components/src/Core.Components.GraphSharp/Data/PointedTreeElementVertex.cs	(.../PointedTreeElementVertex.cs)	(revision 95433bcf41f452154959a6884129265c6de295b7)
+++ Core/Components/src/Core.Components.GraphSharp/Data/PointedTreeElementVertex.cs	(.../PointedTreeElementVertex.cs)	(revision 83a3d88b3df8452281d5f020060e8cfb2b6fb85e)
@@ -19,6 +19,8 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
+using System.Windows.Media;
 using GraphSharp.Controls;
 
 namespace Core.Components.GraphSharp.Data
@@ -28,5 +30,72 @@
     /// </summary>
     public class PointedTreeElementVertex
     {
+        /// <summary>
+        /// Creates a new instance of <see cref="PointedTreeElementVertex"/>.
+        /// </summary>
+        /// <param name="content">The content of the vertex.</param>
+        /// <param name="fillColor">The fill color of the vertex.</param>
+        /// <param name="lineColor">The line color of the vertex.</param>
+        /// <param name="lineWidth">The line width of the vertex.</param>
+        /// <param name="type">The type of the vertex.</param>
+        /// <param name="isSelectable">Indicator whether the vertex is selectable.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="content"/>
+        /// <paramref name="fillColor"/> or <paramref name="lineColor"/> is <c>null</c>.</exception>
+        public PointedTreeElementVertex(string content, Brush fillColor, Brush lineColor, int lineWidth, PointedTreeVertexType type, bool isSelectable)
+        {
+            if (content == null)
+            {
+                throw new ArgumentNullException(nameof(content));
+            }
+            if (fillColor == null)
+            {
+                throw new ArgumentNullException(nameof(fillColor));
+            }
+            if (lineColor == null)
+            {
+                throw new ArgumentNullException(nameof(lineColor));
+            }
+            Content = content;
+            FillColor = fillColor;
+            LineColor = lineColor;
+            LineWidth = lineWidth;
+            Type = type;
+            IsSelectable = isSelectable;
+        }
+
+        /// <summary>
+        /// Gets the content of the vertex.
+        /// </summary>
+        public string Content { get; }
+
+        /// <summary>
+        /// Gets the fill color of the vertex.
+        /// </summary>
+        public Brush FillColor { get; }
+
+        /// <summary>
+        /// Gets the line color of the vertex.
+        /// </summary>
+        public Brush LineColor { get; }
+
+        /// <summary>
+        /// Gets the line widht of the vertex.
+        /// </summary>
+        public int LineWidth { get;}
+
+        /// <summary>
+        /// Gets the type of the vertex.
+        /// </summary>
+        public PointedTreeVertexType Type { get; }
+
+        /// <summary>
+        /// Gets whether the vertex is selectable.
+        /// </summary>
+        public bool IsSelectable { get; }
+
+        /// <summary>
+        /// Gets whether the vertex is selected.
+        /// </summary>
+        public bool IsSelected { get; set; }
     }
 }
\ No newline at end of file
Index: Core/Components/test/Core.Components.GraphSharp.Test/Core.Components.GraphSharp.Test.csproj
===================================================================
diff -u -r95433bcf41f452154959a6884129265c6de295b7 -r83a3d88b3df8452281d5f020060e8cfb2b6fb85e
--- Core/Components/test/Core.Components.GraphSharp.Test/Core.Components.GraphSharp.Test.csproj	(.../Core.Components.GraphSharp.Test.csproj)	(revision 95433bcf41f452154959a6884129265c6de295b7)
+++ Core/Components/test/Core.Components.GraphSharp.Test/Core.Components.GraphSharp.Test.csproj	(.../Core.Components.GraphSharp.Test.csproj)	(revision 83a3d88b3df8452281d5f020060e8cfb2b6fb85e)
@@ -51,6 +51,7 @@
       <HintPath>..\..\..\..\packages\NUnit.3.6.0\lib\net40\nunit.framework.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="PresentationCore" />
     <Reference Include="QuickGraph, Version=3.6.61114.0, Culture=neutral, PublicKeyToken=f3fb40175eec2af3, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\QuickGraph.3.6.61119.7\lib\net4\QuickGraph.dll</HintPath>
       <Private>True</Private>
Index: Core/Components/test/Core.Components.GraphSharp.Test/Data/PointedTreeEdgeTest.cs
===================================================================
diff -u -r95433bcf41f452154959a6884129265c6de295b7 -r83a3d88b3df8452281d5f020060e8cfb2b6fb85e
--- Core/Components/test/Core.Components.GraphSharp.Test/Data/PointedTreeEdgeTest.cs	(.../PointedTreeEdgeTest.cs)	(revision 95433bcf41f452154959a6884129265c6de295b7)
+++ Core/Components/test/Core.Components.GraphSharp.Test/Data/PointedTreeEdgeTest.cs	(.../PointedTreeEdgeTest.cs)	(revision 83a3d88b3df8452281d5f020060e8cfb2b6fb85e)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System.Windows.Media;
 using Core.Components.GraphSharp.Data;
 using NUnit.Framework;
 using QuickGraph;
@@ -32,8 +33,8 @@
         public void Constructor_ExpectedValues()
         {
             // Setup
-            var source = new PointedTreeElementVertex();
-            var target = new PointedTreeElementVertex();
+            var source = new TestVertex();
+            var target = new TestVertex();
 
             // Call
             var edge = new PointedTreeEdge(source, target);
@@ -43,5 +44,12 @@
             Assert.AreSame(source, edge.Source);
             Assert.AreSame(target, edge.Target);
         }
+
+        private class TestVertex : PointedTreeElementVertex
+        {
+            public TestVertex() : base("test", new SolidColorBrush(Colors.Gray),
+                                       new SolidColorBrush(Colors.Black), 2,
+                                       PointedTreeVertexType.Rectangle, false) {}
+        }
     }
 }
\ No newline at end of file
Index: Core/Components/test/Core.Components.GraphSharp.Test/Data/PointedTreeElementVertexTest.cs
===================================================================
diff -u -r95433bcf41f452154959a6884129265c6de295b7 -r83a3d88b3df8452281d5f020060e8cfb2b6fb85e
--- Core/Components/test/Core.Components.GraphSharp.Test/Data/PointedTreeElementVertexTest.cs	(.../PointedTreeElementVertexTest.cs)	(revision 95433bcf41f452154959a6884129265c6de295b7)
+++ Core/Components/test/Core.Components.GraphSharp.Test/Data/PointedTreeElementVertexTest.cs	(.../PointedTreeElementVertexTest.cs)	(revision 83a3d88b3df8452281d5f020060e8cfb2b6fb85e)
@@ -19,13 +19,71 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
+using System.Windows.Media;
+using Core.Components.GraphSharp.Data;
 using NUnit.Framework;
 
 namespace Core.Components.GraphSharp.Test.Data
 {
     [TestFixture]
     public class PointedTreeElementVertexTest
     {
-        
+        [Test]
+        public void Constructor_ContentNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new PointedTreeElementVertex(null, new SolidColorBrush(Colors.Gray), new SolidColorBrush(Colors.Gray), 3, PointedTreeVertexType.Diamond, false);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("content", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_FillColorNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new PointedTreeElementVertex("test", null, new SolidColorBrush(Colors.Gray), 3, PointedTreeVertexType.Diamond, false);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("fillColor", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_LineColorNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new PointedTreeElementVertex("test", new SolidColorBrush(Colors.Gray), null, 3, PointedTreeVertexType.Diamond, false);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("lineColor", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            const string content = "test";
+            var fillColor = new SolidColorBrush(Colors.Blue);
+            var lineColor = new SolidColorBrush(Colors.Gray);
+            const int lineWidth = 3;
+            const PointedTreeVertexType type = PointedTreeVertexType.Diamond;
+            const bool isSelectable = false;
+
+            // Call
+            var vertex = new PointedTreeElementVertex(content, fillColor, lineColor, lineWidth, type, isSelectable);
+
+            // Assert
+            Assert.AreEqual(content, vertex.Content);
+            Assert.AreEqual(fillColor, vertex.FillColor);
+            Assert.AreEqual(lineColor, vertex.LineColor);
+            Assert.AreEqual(lineWidth, vertex.LineWidth);
+            Assert.AreEqual(type, vertex.Type);
+            Assert.AreEqual(isSelectable, vertex.IsSelectable);
+            Assert.IsFalse(vertex.IsSelected);
+        }
     }
 }
\ No newline at end of file