Index: Core/Components/src/Core.Components.GraphSharp.Forms/PointedTreeGraphControl.Designer.cs
===================================================================
diff -u -rb11a871d609824c8b414cecf94977c3923c3d09a -r672857a9fcd0dfdcaec314524d580af98894536f
--- Core/Components/src/Core.Components.GraphSharp.Forms/PointedTreeGraphControl.Designer.cs	(.../PointedTreeGraphControl.Designer.cs)	(revision b11a871d609824c8b414cecf94977c3923c3d09a)
+++ Core/Components/src/Core.Components.GraphSharp.Forms/PointedTreeGraphControl.Designer.cs	(.../PointedTreeGraphControl.Designer.cs)	(revision 672857a9fcd0dfdcaec314524d580af98894536f)
@@ -28,19 +28,6 @@
         /// </summary>
         private System.ComponentModel.IContainer components = null;
 
-        /// <summary> 
-        /// Clean up any resources being used.
-        /// </summary>
-        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
-        protected override void Dispose(bool disposing)
-        {
-            if (disposing && (components != null))
-            {
-                components.Dispose();
-            }
-            base.Dispose(disposing);
-        }
-
         #region Component Designer generated code
 
         /// <summary> 
Index: Core/Components/src/Core.Components.GraphSharp.Forms/PointedTreeGraphControl.cs
===================================================================
diff -u -rd0717faa6f35e514ae6f2dd1c1abd701de8cfab7 -r672857a9fcd0dfdcaec314524d580af98894536f
--- Core/Components/src/Core.Components.GraphSharp.Forms/PointedTreeGraphControl.cs	(.../PointedTreeGraphControl.cs)	(revision d0717faa6f35e514ae6f2dd1c1abd701de8cfab7)
+++ Core/Components/src/Core.Components.GraphSharp.Forms/PointedTreeGraphControl.cs	(.../PointedTreeGraphControl.cs)	(revision 672857a9fcd0dfdcaec314524d580af98894536f)
@@ -20,6 +20,8 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
+using System.ComponentModel;
 using System.Windows;
 using System.Windows.Forms;
 using System.Windows.Input;
@@ -38,11 +40,14 @@
     /// </summary>
     public partial class PointedTreeGraphControl : UserControl, IPointedTreeGraphControl
     {
+        private readonly List<DrawnGraphNode> drawnGraphNodeList = new List<DrawnGraphNode>();
         private ZoomControl zoomControl;
         private PointedTreeGraphLayout graphLayout;
         private GraphNode data;
         private PointedTreeGraph graph;
 
+        public event EventHandler<EventArgs> SelectionChanged;
+
         /// <summary>
         /// Creates a new instance of <see cref="PointedTreeGraphControl"/>.
         /// </summary>
@@ -60,7 +65,7 @@
             }
             set
             {
-                graph.Clear();
+                ClearData();
 
                 data = value;
 
@@ -71,6 +76,18 @@
             }
         }
 
+        public GraphNode Selection { get; private set; }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                ClearData();
+                components?.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
         private void InitializeGraph()
         {
             zoomControl = new ZoomControl
@@ -96,10 +113,31 @@
             wpfElementHost.Child = zoomControl;
         }
 
+        private void ClearData()
+        {
+            foreach (DrawnGraphNode drawnGraphNode in drawnGraphNodeList)
+            {
+                drawnGraphNode.Vertex.PropertyChanged -= VertexOnPropertyChanged;
+            }
+
+            graph.Clear();
+            drawnGraphNodeList.Clear();
+        }
+
         private void DrawNode(GraphNode node, PointedTreeElementVertex parentVertex = null)
         {
             PointedTreeElementVertex vertex = GraphNodeConverter.Convert(node);
 
+            vertex.PropertyChanged += VertexOnPropertyChanged;
+
+            var drawnGraphNode = new DrawnGraphNode
+            {
+                GraphNode = node,
+                Vertex = vertex
+            };
+
+            drawnGraphNodeList.Add(drawnGraphNode);
+
             graph.AddVertex(vertex);
 
             node.ChildNodes.ForEachElementDo(cn => DrawNode(cn, vertex));
@@ -110,6 +148,37 @@
             }
         }
 
+        private void VertexOnPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == nameof(PointedTreeElementVertex.IsSelected))
+            {
+                var changedVertex = sender as PointedTreeElementVertex;
+                if (changedVertex != null && changedVertex.IsSelected)
+                {
+                    foreach (DrawnGraphNode drawnGraphNode in drawnGraphNodeList)
+                    {
+                        if (drawnGraphNode.Vertex.IsSelected && drawnGraphNode.Vertex != changedVertex)
+                        {
+                            drawnGraphNode.Vertex.IsSelected = false;
+                        }
+
+                        if (drawnGraphNode.Vertex == changedVertex && changedVertex.IsSelected)
+                        {
+                            Selection = drawnGraphNode.GraphNode;
+                            OnSelectionChanged(e);
+                        }
+                    }
+                }
+            }
+        }
+
+        private void OnSelectionChanged(PropertyChangedEventArgs e)
+        {
+            SelectionChanged?.Invoke(this, e);
+        }
+
+        #region Zooming
+
         private void ZoomControl_MouseWheel(object sender, MouseWheelEventArgs e)
         {
             double deltaZoom = GetZoomDelta(e.Delta);
@@ -136,5 +205,23 @@
             return Math.Max(1.0 / zoomControl.MaxZoomDelta,
                             Math.Min(zoomControl.MaxZoomDelta, delta / -zoomControl.ZoomDeltaMultiplier + 1.0));
         }
+
+        #endregion
+
+        /// <summary>
+        /// Lookup class for administration related to drawn vertices.
+        /// </summary>
+        private class DrawnGraphNode
+        {
+            /// <summary>
+            /// The graph node which the drawn <see cref="PointedTreeElementVertex "/> is based upon.
+            /// </summary>
+            public GraphNode GraphNode { get; set; }
+
+            /// <summary>
+            /// The drawn vertex.
+            /// </summary>
+            public PointedTreeElementVertex Vertex { get; set; }
+        }
     }
 }
\ No newline at end of file
Index: Core/Components/src/Core.Components.PointedTree.Forms/IPointedTreeGraphControl.cs
===================================================================
diff -u -rb11a871d609824c8b414cecf94977c3923c3d09a -r672857a9fcd0dfdcaec314524d580af98894536f
--- Core/Components/src/Core.Components.PointedTree.Forms/IPointedTreeGraphControl.cs	(.../IPointedTreeGraphControl.cs)	(revision b11a871d609824c8b414cecf94977c3923c3d09a)
+++ Core/Components/src/Core.Components.PointedTree.Forms/IPointedTreeGraphControl.cs	(.../IPointedTreeGraphControl.cs)	(revision 672857a9fcd0dfdcaec314524d580af98894536f)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Core.Components.PointedTree.Data;
 
 namespace Core.Components.PointedTree.Forms
@@ -29,8 +30,18 @@
     public interface IPointedTreeGraphControl
     {
         /// <summary>
+        /// Fired when the selection has been changed.
+        /// </summary>
+        event EventHandler<EventArgs> SelectionChanged;
+
+        /// <summary>
         /// Gets or sets the root node of the control.
         /// </summary>
         GraphNode Data { get; set; }
+
+        /// <summary>
+        /// Gets the selected <see cref="GraphNode"/>; or <c>null</c> if nothing is selected.
+        /// </summary>
+        GraphNode Selection { get; }
     }
 }
\ No newline at end of file
Index: Core/Components/test/Core.Components.GraphSharp.Forms.Test/PointedTreeGraphControlTest.cs
===================================================================
diff -u -rd0717faa6f35e514ae6f2dd1c1abd701de8cfab7 -r672857a9fcd0dfdcaec314524d580af98894536f
--- Core/Components/test/Core.Components.GraphSharp.Forms.Test/PointedTreeGraphControlTest.cs	(.../PointedTreeGraphControlTest.cs)	(revision d0717faa6f35e514ae6f2dd1c1abd701de8cfab7)
+++ Core/Components/test/Core.Components.GraphSharp.Forms.Test/PointedTreeGraphControlTest.cs	(.../PointedTreeGraphControlTest.cs)	(revision 672857a9fcd0dfdcaec314524d580af98894536f)
@@ -48,6 +48,7 @@
                 Assert.IsInstanceOf<IPointedTreeGraphControl>(graphControl);
 
                 Assert.IsNull(graphControl.Data);
+                Assert.IsNull(graphControl.Selection);
 
                 Assert.AreEqual(1, graphControl.Controls.Count);
 
@@ -163,5 +164,71 @@
                 Assert.AreEqual(0, graph.EdgeCount);
             }
         }
+
+        [Test]
+        public void GivenControlWithData_WhenVertexSelected_SelectionSetToGraphNodeAndSelectionChangedFired()
+        {
+            // Given
+            using (var graphControl = new PointedTreeGraphControl())
+            {
+                var childNode = new GraphNode("<text>node 2</text>", new GraphNode[0], true);
+                var node = new GraphNode("<text>node 1</text>", new[]
+                {
+                    childNode
+                }, true);
+
+                graphControl.Data = node;
+
+                var elementHost = graphControl.Controls[0] as ElementHost;
+                var zoomControl = (ZoomControl) elementHost.Child;
+                var graphLayout = (PointedTreeGraphLayout) zoomControl.Content;
+                PointedTreeGraph graph = graphLayout.Graph;
+
+                var selectionChanged = 0;
+                graphControl.SelectionChanged += (sender, args) => selectionChanged++;
+
+                // Precondition
+                Assert.IsNull(graphControl.Selection);
+
+                // When
+                PointedTreeElementVertex selectedVertex = graph.Vertices.ElementAt(1);
+                selectedVertex.IsSelected = true;
+
+                // Then
+                Assert.AreSame(childNode, graphControl.Selection);
+                Assert.AreEqual(1, selectionChanged);
+            }
+        }
+
+        [Test]
+        public void GivenControlWithSelectedVertex_WhenOtherVertexSelected_FirstSelectedVertexUnselected()
+        {
+            // Given
+            using (var graphControl = new PointedTreeGraphControl())
+            {
+                var node = new GraphNode("<text>node 1</text>", new[]
+                {
+                    new GraphNode("<text>node 2</text>", new GraphNode[0], true)
+                }, true);
+
+                graphControl.Data = node;
+
+                var elementHost = graphControl.Controls[0] as ElementHost;
+                var zoomControl = (ZoomControl) elementHost.Child;
+                var graphLayout = (PointedTreeGraphLayout) zoomControl.Content;
+                PointedTreeGraph graph = graphLayout.Graph;
+
+                PointedTreeElementVertex firstSelectedVertex = graph.Vertices.ElementAt(1);
+                firstSelectedVertex.IsSelected = true;
+
+                PointedTreeElementVertex newSelectedVertex = graph.Vertices.First();
+
+                // When
+                newSelectedVertex.IsSelected = true;
+
+                // Then
+                Assert.IsFalse(firstSelectedVertex.IsSelected);
+            }
+        }
     }
 }
\ No newline at end of file