Index: Core/Components/src/Core.Components.Gis/Data/MapLineData.cs
===================================================================
diff -u -r081badaad87a6e2a6d5c861de9ee95fa1ca6dea3 -rde487d5fcb46b012427e0e0ea85305e6cf01a3f0
--- Core/Components/src/Core.Components.Gis/Data/MapLineData.cs	(.../MapLineData.cs)	(revision 081badaad87a6e2a6d5c861de9ee95fa1ca6dea3)
+++ Core/Components/src/Core.Components.Gis/Data/MapLineData.cs	(.../MapLineData.cs)	(revision de487d5fcb46b012427e0e0ea85305e6cf01a3f0)
@@ -34,18 +34,19 @@
     /// </summary>
     public class MapLineData : FeatureBasedMapData
     {
+        private static readonly LineStyle defaultLineStyle = new LineStyle {
+            Color = Color.Black,
+            Width = 2,
+            DashStyle = DashStyle.Solid
+        };
+
         /// <summary>
         /// Creates a new instance of <see cref="MapLineData"/> with default styling.
         /// </summary>
         /// <param name="name">The name of the <see cref="MapLineData"/>.</param>
         /// <exception cref="ArgumentException">Thrown when <paramref name="name"/> is 
         /// <c>null</c> or only whitespace.</exception>
-        public MapLineData(string name)
-            : this(name, new LineStyle {
-                Color = Color.Black,
-                Width = 2,
-                DashStyle = DashStyle.Solid
-            }) {}
+        public MapLineData(string name) : this(name, defaultLineStyle) {}
 
         /// <summary>
         /// Creates a new instance of <see cref="MapLineData"/>.
Index: Core/Components/src/Core.Components.Gis/Data/MapPointData.cs
===================================================================
diff -u -r081badaad87a6e2a6d5c861de9ee95fa1ca6dea3 -rde487d5fcb46b012427e0e0ea85305e6cf01a3f0
--- Core/Components/src/Core.Components.Gis/Data/MapPointData.cs	(.../MapPointData.cs)	(revision 081badaad87a6e2a6d5c861de9ee95fa1ca6dea3)
+++ Core/Components/src/Core.Components.Gis/Data/MapPointData.cs	(.../MapPointData.cs)	(revision de487d5fcb46b012427e0e0ea85305e6cf01a3f0)
@@ -33,21 +33,22 @@
     /// </summary>
     public class MapPointData : FeatureBasedMapData
     {
+        private static readonly PointStyle defaultPointStyle = new PointStyle
+        {
+            Color = Color.Black,
+            Size = 2,
+            Symbol = PointSymbol.Square,
+            StrokeColor = Color.Black,
+            StrokeThickness = 1
+        };
+
         /// <summary>
         /// Creates a new instance of <see cref="MapPointData"/> with default styling.
         /// </summary>
         /// <param name="name">The name of the <see cref="MapPointData"/>.</param>
         /// <exception cref="ArgumentException">Thrown when <paramref name="name"/> is 
         /// <c>null</c> or only whitespace.</exception>
-        public MapPointData(string name)
-            : this(name, new PointStyle
-            {
-                Color = Color.Black,
-                Size = 2,
-                Symbol = PointSymbol.Square,
-                StrokeColor = Color.Black,
-                StrokeThickness = 1
-            }) {}
+        public MapPointData(string name) : this(name, defaultPointStyle) {}
 
         /// <summary>
         /// Creates a new instance of <see cref="MapPointData"/>.
Index: Core/Components/src/Core.Components.Gis/Data/MapPolygonData.cs
===================================================================
diff -u -r081badaad87a6e2a6d5c861de9ee95fa1ca6dea3 -rde487d5fcb46b012427e0e0ea85305e6cf01a3f0
--- Core/Components/src/Core.Components.Gis/Data/MapPolygonData.cs	(.../MapPolygonData.cs)	(revision 081badaad87a6e2a6d5c861de9ee95fa1ca6dea3)
+++ Core/Components/src/Core.Components.Gis/Data/MapPolygonData.cs	(.../MapPolygonData.cs)	(revision de487d5fcb46b012427e0e0ea85305e6cf01a3f0)
@@ -33,19 +33,20 @@
     /// </summary>
     public class MapPolygonData : FeatureBasedMapData
     {
+        private static readonly PolygonStyle defaultPolygonStyle = new PolygonStyle
+        {
+            FillColor = Color.DarkGray,
+            StrokeColor = Color.Black,
+            StrokeThickness = 2
+        };
+
         /// <summary>
         /// Creates a new instance of <see cref="MapPolygonData"/> with default styling.
         /// </summary>
         /// <param name="name">The name of the <see cref="MapPolygonData"/>.</param>
         /// <exception cref="ArgumentException">Thrown when <paramref name="name"/> is 
         /// <c>null</c> or only whitespace.</exception>
-        public MapPolygonData(string name)
-            : this(name, new PolygonStyle
-            {
-                FillColor = Color.DarkGray,
-                StrokeColor = Color.Black,
-                StrokeThickness = 2
-            }) {}
+        public MapPolygonData(string name) : this(name, defaultPolygonStyle) {}
 
         /// <summary>
         /// Creates a new instance of <see cref="MapPolygonData"/>.